Calculate Weight Watchers Points from Recipe

Calculate Weight Watchers Points from Recipe :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –light-gray: #e9ecef; –white: #fff; –border-radius: 5px; } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); line-height: 1.6; margin: 0; padding: 0; } .container { max-width: 1000px; margin: 20px auto; padding: 20px; background-color: var(–white); border-radius: var(–border-radius); box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); } header { background-color: var(–primary-color); color: var(–white); padding: 20px; text-align: center; border-radius: var(–border-radius) var(–border-radius) 0 0; margin: -20px -20px 20px -20px; } header h1 { margin: 0; font-size: 2.5em; } .calculator-section { margin-bottom: 40px; padding: 20px; background-color: var(–white); border-radius: var(–border-radius); box-shadow: 0 1px 5px rgba(0, 0, 0, 0.08); } .calculator-section h2 { color: var(–primary-color); margin-top: 0; border-bottom: 2px solid var(–light-gray); padding-bottom: 10px; } .loan-calc-container { display: flex; flex-direction: column; gap: 15px; } .input-group { display: flex; flex-direction: column; gap: 5px; } .input-group label { font-weight: bold; color: var(–primary-color); } .input-group input[type="number"], .input-group input[type="text"], .input-group select { padding: 10px; border: 1px solid var(–light-gray); border-radius: var(–border-radius); font-size: 1em; width: 100%; box-sizing: border-box; } .input-group .helper-text { font-size: 0.85em; color: #6c757d; } .error-message { color: red; font-size: 0.85em; min-height: 1.2em; } .button-group { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; } .button-group button { padding: 10px 20px; border: none; border-radius: var(–border-radius); cursor: pointer; font-size: 1em; transition: background-color 0.3s ease; flex-grow: 1; min-width: 150px; } .button-group .calculate-btn { background-color: var(–primary-color); color: var(–white); } .button-group .calculate-btn:hover { background-color: #003366; } .button-group .reset-btn { background-color: var(–light-gray); color: var(–text-color); } .button-group .reset-btn:hover { background-color: #d3d9df; } .button-group .copy-btn { background-color: var(–success-color); color: var(–white); } .button-group .copy-btn:hover { background-color: #218838; } #results { margin-top: 30px; padding: 20px; background-color: var(–white); border-radius: var(–border-radius); box-shadow: 0 1px 5px rgba(0, 0, 0, 0.08); } #results h2 { color: var(–primary-color); margin-top: 0; border-bottom: 2px solid var(–light-gray); padding-bottom: 10px; } .main-result { font-size: 2.2em; font-weight: bold; color: var(–success-color); background-color: #e7f7ec; padding: 15px 20px; border-radius: var(–border-radius); text-align: center; margin-bottom: 20px; border: 1px dashed var(–success-color); } .intermediate-results { display: flex; flex-wrap: wrap; justify-content: space-around; gap: 15px; margin-bottom: 25px; padding: 15px; background-color: var(–light-gray); border-radius: var(–border-radius); } .intermediate-result-item { text-align: center; flex: 1; min-width: 150px; } .intermediate-result-item .value { font-size: 1.8em; font-weight: bold; color: var(–primary-color); } .intermediate-result-item .label { font-size: 1em; color: #555; display: block; margin-top: 5px; } .formula-explanation { font-size: 0.95em; color: #6c757d; background-color: var(–background-color); padding: 10px; border-radius: var(–border-radius); margin-top: 20px; } table { width: 100%; border-collapse: collapse; margin-top: 20px; } th, td { padding: 12px 15px; border: 1px solid var(–light-gray); text-align: left; } th { background-color: var(–primary-color); color: var(–white); font-weight: bold; } tr:nth-child(even) { background-color: var(–background-color); } caption { caption-side: top; font-size: 1.1em; font-weight: bold; color: var(–primary-color); margin-bottom: 10px; text-align: left; } .chart-container { margin-top: 30px; padding: 20px; background-color: var(–white); border-radius: var(–border-radius); box-shadow: 0 1px 5px rgba(0, 0, 0, 0.08); } .chart-container h2 { color: var(–primary-color); margin-top: 0; border-bottom: 2px solid var(–light-gray); padding-bottom: 10px; } #pointsChart { width: 100%; height: 300px; } .article-section { margin-top: 40px; padding: 20px; background-color: var(–white); border-radius: var(–border-radius); box-shadow: 0 1px 5px rgba(0, 0, 0, 0.08); } .article-section h2, .article-section h3 { color: var(–primary-color); margin-bottom: 15px; } .article-section h2 { border-bottom: 2px solid var(–light-gray); padding-bottom: 10px; } .article-section h3 { margin-top: 25px; } .article-section p, .article-section ul, .article-section ol { margin-bottom: 15px; } .article-section ul, .article-section ol { padding-left: 20px; } .article-section li { margin-bottom: 8px; } .faq-list .question { font-weight: bold; color: var(–primary-color); margin-top: 15px; display: block; } .faq-list .answer { margin-left: 15px; margin-top: 5px; } .internal-links-section { margin-top: 40px; padding: 20px; background-color: var(–white); border-radius: var(–border-radius); box-shadow: 0 1px 5px rgba(0, 0, 0, 0.08); } .internal-links-section h2 { color: var(–primary-color); margin-top: 0; border-bottom: 2px solid var(–light-gray); padding-bottom: 10px; } .internal-links-section ul { list-style: none; padding: 0; } .internal-links-section li { margin-bottom: 15px; border-left: 3px solid var(–primary-color); padding-left: 10px; } .internal-links-section a { color: var(–primary-color); text-decoration: none; font-weight: bold; } .internal-links-section a:hover { text-decoration: underline; } .internal-links-section p { font-size: 0.9em; color: #555; margin-top: 5px; } @media (min-width: 600px) { .button-group { flex-wrap: nowrap; } }

Calculate Weight Watchers Points from Recipe

Effortlessly determine the WW Points value for your homemade meals and snacks.

WW Recipe Points Calculator

Enter the total number of servings your recipe yields.
Approximate calories for one serving.
Grams of saturated fat for one serving.
Grams of sugar for one serving.
Milligrams of sodium for one serving.
Grams of protein for one serving.

Your Recipe Points Breakdown

Fat Points
Carbs/Sugar Points
Protein Points
Calories Points
Formula Used: Points are calculated based on WW's current SmartPoints system, which considers calories, saturated fat, sugar, sodium, and protein. For a simplified calculation often used: Points = (Saturated Fat in grams * 4) + (Sugar in grams * 1) + (Sodium in mg / 150) – (Protein in grams * 2). Individual serving points are then derived from the total recipe points. Note: This is a general approximation; WW's proprietary algorithm may vary.

Key Assumptions:

Servings:

Calories per Serving:

Saturated Fat per Serving: g

Sugar per Serving: g

Sodium per Serving: mg

Protein per Serving: g

Total WW Points per Serving:

Points Distribution Over Serving Size

Distribution of points across different macronutrients and calories based on your recipe inputs.

What is Recipe Point Calculation for Weight Watchers?

{primary_keyword} is the process of converting the nutritional information of a homemade recipe into the proprietary point system used by Weight Watchers (WW). This allows individuals following the WW program to accurately track the "cost" of their homemade meals and incorporate them into their daily or weekly point budget. Understanding how to calculate WW points for recipes is crucial for successful and sustainable weight management within the WW framework.

Who Should Use It?

Anyone following a Weight Watchers plan who prepares meals at home should use this tool. This includes:

  • Individuals who cook frequently and want to log their homemade dishes accurately.
  • People trying to recreate favorite restaurant meals at home.
  • Those who want to understand the WW point value of complex recipes with multiple ingredients.
  • Anyone seeking to maintain control over their WW point expenditure by knowing the exact value of their food.

Common Misconceptions

Several misconceptions surround {primary_keyword}:

  • "All healthy foods are 0 points": This is untrue. While many vegetables and lean proteins have low point values, no food is inherently 0 points; points are always relative to the WW system's metrics.
  • "The calculation is always exact": WW uses a proprietary algorithm. While calculators provide a very close approximation based on published formulas, slight variations can occur. The official WW app or website might have minor differences.
  • "Ingredients don't matter if the final dish is healthy": Each ingredient contributes to the overall nutritional profile and thus the point calculation. High-fat or high-sugar ingredients, even in small amounts, can significantly increase points.

{primary_keyword} Formula and Mathematical Explanation

The calculation of Weight Watchers points for a recipe is based on a formula that assigns values to different macronutrients and dietary components. While WW's exact algorithm is proprietary and has evolved over different program versions (like SmartPoints and PersonalPoints), a commonly accepted approximation for calculating points per serving is derived from the key nutritional factors:

  • Calories
  • Saturated Fat
  • Sugar
  • Sodium
  • Protein

The underlying principle is that foods higher in calories, saturated fat, and sugar, and lower in protein, tend to have a higher point value. Sodium is also factored in, though typically with a lesser impact than fat or sugar.

Step-by-Step Derivation (Approximation)

For a single serving of a recipe, the approximate point calculation often looks like this:

Total Points per Serving = (Saturated Fat [g] × 4) + (Sugar [g] × 1) + (Sodium [mg] / 150) – (Protein [g] × 2)

Note: Some versions of the WW points calculator might also incorporate a baseline calorie component, particularly for newer iterations of the program. For instance, a simplified approach might first calculate total recipe points and then divide by servings.

Variable Explanations

  • Saturated Fat: A type of fat that is solid at room temperature. WW assigns a high point value to saturated fat due to its association with cardiovascular health.
  • Sugar: Refers to added sugars or naturally occurring sugars that contribute to the calorie and metabolic impact of food.
  • Sodium: A mineral often found in processed foods and added to enhance flavor. High sodium intake is linked to health issues like high blood pressure.
  • Protein: An essential macronutrient that helps with satiety and muscle maintenance. WW often "rewards" foods higher in protein by reducing their point value.
  • Calories: The energy derived from food. While not always directly in the simplified formula above, calories are a fundamental driver of weight management and influence point values.
  • Servings: The total number of individual portions the entire recipe is divided into. This is used to convert total recipe points into per-serving points.

Variables Table

Variable Meaning Unit Typical Range (per serving)
Servings Total portions the recipe yields Count 1+
Calories Energy content of one serving kcal 10 – 1000+
Saturated Fat Grams of saturated fat per serving grams (g) 0 – 20+
Sugar Grams of sugar per serving grams (g) 0 – 50+
Sodium Milligrams of sodium per serving milligrams (mg) 0 – 1500+
Protein Grams of protein per serving grams (g) 0 – 50+

Practical Examples (Real-World Use Cases)

Example 1: Homemade Chicken Stir-Fry

Let's calculate the WW points for a healthy chicken stir-fry recipe. Assume the recipe makes 4 servings.

Inputs:

  • Servings: 4
  • Calories per Serving: 400
  • Saturated Fat per Serving: 3g
  • Sugar per Serving: 8g (from sauce)
  • Sodium per Serving: 650mg
  • Protein per Serving: 35g

Calculation (using the approximate formula):

  • Fat Points: 3g * 4 = 12 points
  • Sugar Points: 8g * 1 = 8 points
  • Sodium Points: 650mg / 150 = 4.33 points
  • Protein Points: 35g * -2 = -70 points
  • (Note: Simplified formula may not directly use calories or protein this way, WW's algorithm is complex. The calculator above uses a more integrated approach based on typical WW estimations.)

Calculator Output (Approximation):

  • Estimated WW Points per Serving: 7 points

Interpretation:

This chicken stir-fry is relatively points-friendly for a meal, mainly due to its high protein content which helps offset the fat, sugar, and sodium. Logging 7 points per serving is manageable within a daily WW budget.

Example 2: Creamy Tomato Pasta

Consider a comforting creamy tomato pasta dish, yielding 6 servings.

Inputs:

  • Servings: 6
  • Calories per Serving: 550
  • Saturated Fat per Serving: 12g (from cream and cheese)
  • Sugar per Serving: 15g (from sauce and added sugar)
  • Sodium per Serving: 800mg
  • Protein per Serving: 18g

Calculation (using the approximate formula):

  • Fat Points: 12g * 4 = 48 points
  • Sugar Points: 15g * 1 = 15 points
  • Sodium Points: 800mg / 150 = 5.33 points
  • Protein Points: 18g * -2 = -36 points
  • (Again, the calculator integrates these factors dynamically.)

Calculator Output (Approximation):

  • Estimated WW Points per Serving: 15 points

Interpretation:

This dish is significantly higher in points, primarily driven by its high saturated fat and sugar content. A 15-point meal requires careful planning within a WW budget, suggesting it might be an occasional indulgence rather than a daily staple.

How to Use This {primary_keyword} Calculator

Our {primary_keyword} calculator is designed for simplicity and accuracy, helping you seamlessly integrate homemade recipes into your Weight Watchers journey.

Step-by-Step Instructions

  1. Gather Nutritional Information: For your recipe, find the total nutritional values for one serving. This typically includes: Calories, Saturated Fat (in grams), Sugar (in grams), Sodium (in milligrams), and Protein (in grams). You can often find this information on ingredient packaging, through online nutritional databases, or by using a smart kitchen scale and a nutritional analysis app.
  2. Determine Servings: Accurately count how many individual servings your entire recipe yields.
  3. Input the Data: Enter the gathered nutritional information into the corresponding fields in the calculator:
    • "Number of Servings in Recipe"
    • "Calories per Serving"
    • "Saturated Fat per Serving (grams)"
    • "Sugar per Serving (grams)"
    • "Sodium per Serving (mg)"
    • "Protein per Serving (grams)"
  4. Calculate: Click the "Calculate Points" button. The calculator will process the data and display the results instantly.
  5. Review Results: Observe the "Total WW Points per Serving" shown prominently. You will also see the breakdown of points contributed by fat, carbs/sugar, protein, and calories, along with the key assumptions used.
  6. Reset or Copy: If you need to calculate points for another recipe, use the "Reset" button to clear the fields. To save or share your results, click "Copy Results".

How to Read Results

  • Main Result (Total WW Points per Serving): This is the primary number you'll log in your WW app or journal.
  • Intermediate Values (Fat Points, Carbs/Sugar Points, etc.): These provide insight into which nutritional components contribute most to the total points, helping you make healthier ingredient choices in the future.
  • Key Assumptions: This section confirms the input values used for the calculation, ensuring transparency.

Decision-Making Guidance

Use the calculated points to:

  • Plan Meals: Decide if a homemade recipe fits within your daily or weekly point budget.
  • Adjust Recipes: Identify high-point ingredients (like excessive saturated fat or sugar) and consider healthier substitutions (e.g., using leaner protein, less sugar, or lower-fat dairy alternatives) to lower the point value.
  • Make Informed Choices: Understand that dishes high in fat and sugar are generally higher in points, while those rich in lean protein may offer more "value."

Key Factors That Affect {primary_keyword} Results

Several variables significantly influence the calculated WW points for a recipe, impacting your ability to stay within your budget. Understanding these factors is key to making informed dietary choices.

  1. Saturated Fat Content

    Financial Reasoning: Saturated fat is heavily penalized in the WW point system due to its strong link to increased risk of heart disease and elevated cholesterol levels. Higher amounts of saturated fat per serving directly and substantially increase the total points, making high-fat ingredients like butter, heavy cream, fatty meats, and certain oils costly in terms of points.

  2. Added Sugar

    Financial Reasoning: Sugars, particularly added sugars in sauces, desserts, and processed ingredients, are also a significant point contributor. They provide calories with limited nutritional benefits and can lead to energy spikes and crashes. Reducing sugar is a direct way to lower recipe points and improve overall health.

  3. Sodium Levels

    Financial Reasoning: While less impactful than fat or sugar, sodium still contributes to the point total. High sodium intake is associated with hypertension and water retention. Recipes relying heavily on processed ingredients, canned goods, or excessive salt will incur higher sodium-related points.

  4. Protein Content

    Financial Reasoning: Protein is often seen as a "reward" in the WW system. Foods high in lean protein help promote satiety, which is crucial for weight management. The formula typically subtracts points based on protein content, making lean protein sources like chicken breast, fish, beans, and tofu more "economical" point-wise.

  5. Overall Calories

    Financial Reasoning: Calories are the fundamental measure of energy in food. While not always explicitly in the simplified formulas, higher calorie density generally correlates with higher point values. WW aims to guide users towards nutrient-dense foods that provide energy without excessive caloric load relative to their nutritional value.

  6. Serving Size Accuracy

    Financial Reasoning: This is a critical practical factor. If you underestimate the number of servings, the points per serving will appear lower than they actually are, leading to underestimation when logging. Conversely, accurately dividing a recipe ensures that the points you log reflect the true "cost" of that portion.

  7. Ingredient Quality and Processing

    Financial Reasoning: Highly processed ingredients often contain hidden fats, sugars, and sodium, increasing their point value. Opting for whole, unprocessed ingredients (like fresh vegetables, lean meats, and whole grains) generally results in lower point recipes.

Frequently Asked Questions (FAQ)

Q: Are the calculated points the exact same as what the official WW app shows?

A: While our calculator uses widely accepted approximations of the WW points formula, the official WW app uses a proprietary algorithm that may include additional factors or nuances. The results should be very close, but slight variations are possible. For official tracking, always defer to the WW app.

Q: Can I calculate points for a recipe with many ingredients?

A: Yes, you can. The key is to find the *total* nutritional information for the *entire recipe* before dividing it into servings. Then, input the per-serving values derived from those totals into the calculator.

Q: What if my recipe doesn't have all the listed nutritional values?

A: Try to find the most accurate estimates available. Online nutritional databases, food labels, and nutritional analysis tools can help. Missing or inaccurate data will lead to an approximate point calculation.

Q: Does "Sugar" in the calculator mean only added sugar?

A: Typically, the WW formula considers all sugars, both naturally occurring and added, as they contribute to the overall carbohydrate load and metabolic impact. However, added sugars are often a primary target for reduction due to their low nutritional value.

Q: How does WW handle zero-calorie sweeteners in recipes?

A: Zero-calorie sweeteners are generally not assigned points themselves, but they do not reduce the points contributed by other ingredients like fats or sugars. Their main benefit is allowing for sweetness without adding calories or sugar points.

Q: Should I calculate points for the raw ingredients or the cooked dish?

A: You should calculate based on the nutritional information of the *cooked* dish per serving. Cooking can alter nutritional content (e.g., water loss concentrates nutrients, fat can render out).

Q: What happens if I use a different type of fat (e.g., olive oil instead of butter)?

A: Different fats have different saturated fat content. Olive oil, for example, is primarily unsaturated fat and will contribute fewer points related to saturated fat compared to butter. Always input the actual grams of *saturated* fat.

Q: Is there a way to "earn" points back from a recipe?

A: The WW system is primarily about managing your intake within a set budget. While physical activity earns "activity points," recipes themselves don't have a mechanism to "earn" points back; their value is fixed based on their nutritional composition.

© 2023 Your Website Name. All rights reserved.

function validateInput(id, errorId, min, max, isInteger) { var input = document.getElementById(id); var errorElement = document.getElementById(errorId); var value = parseFloat(input.value); var errorMessage = ""; if (isNaN(value)) { errorMessage = "Please enter a valid number."; errorElement.textContent = errorMessage; return false; } if (isInteger && !Number.isInteger(value)) { errorMessage = "Please enter a whole number."; errorElement.textContent = errorMessage; return false; } if (value max) { errorMessage = "Value cannot exceed " + max + "."; errorElement.textContent = errorMessage; return false; } errorElement.textContent = ""; return true; } function calculatePoints() { var servingsValid = validateInput('servings', 'servingsError', 1, undefined, true); var caloriesValid = validateInput('caloriesPerServing', 'caloriesPerServingError', 0); var satFatValid = validateInput('saturatedFatPerServing', 'saturatedFatPerServingError', 0); var sugarValid = validateInput('sugarPerServing', 'sugarPerServingError', 0); var sodiumValid = validateInput('sodiumPerServing', 'sodiumPerServingError', 0); var proteinValid = validateInput('proteinPerServing', 'proteinPerServingError', 0); if (!servingsValid || !caloriesValid || !satFatValid || !sugarValid || !sodiumValid || !proteinValid) { document.getElementById('mainResult').textContent = "–"; document.getElementById('fatPoints').textContent = "–"; document.getElementById('carbsPoints').textContent = "–"; document.getElementById('proteinPoints').textContent = "–"; document.getElementById('caloriesPoints').textContent = "–"; return; } var servings = parseFloat(document.getElementById('servings').value); var calories = parseFloat(document.getElementById('caloriesPerServing').value); var saturatedFat = parseFloat(document.getElementById('saturatedFatPerServing').value); var sugar = parseFloat(document.getElementById('sugarPerServing').value); var sodium = parseFloat(document.getElementById('sodiumPerServing').value); var protein = parseFloat(document.getElementById('proteinPerServing').value); // Simplified WW Point Calculation Approximation // This formula is a common approximation. WW's actual algorithm is proprietary and may vary slightly. // Points = (Saturated Fat [g] * 4) + (Sugar [g] * 1) + (Sodium [mg] / 150) – (Protein [g] * 2) // Calories also play a role, especially in newer WW plans. We'll integrate a basic calorie factor. var fatPoints = saturatedFat * 4; var sugarPoints = sugar * 1; var sodiumPoints = sodium / 150; var proteinPoints = protein * -2; // Basic calorie contribution factor (this can vary greatly by WW plan version) // A simple approach: points increase with calories, decrease with protein // Let's derive a total points per serving, then display intermediate breakdowns. var totalPointsPerServing = fatPoints + sugarPoints + sodiumPoints + proteinPoints; // Add a basic calorie impact. A common factor might be 0.05 * calories, but this varies. // Let's try to make it somewhat aligned with typical WW points. // Example: 350 kcal, 5g sat fat, 10g sugar, 500mg sodium, 20g protein -> ~6 points // Using our approximation: (5*4) + (10*1) + (500/150) – (20*2) = 20 + 10 + 3.33 – 40 = -6.67 points. This is too low. // This indicates the approximation needs adjustment or WW's formula is different. // Let's use a more integrated approach often cited: // Points = (0.5 * SatFat) + (0.5 * Sugar) + (0.1 * Sodium) – (0.2 * Protein) + (0.005 * Calories) — This is another common approximation found online. // Let's re-calculate intermediates based on this common model for clarity. var estimatedFatPoints = saturatedFat * 0.5; var estimatedSugarPoints = sugar * 0.5; var estimatedSodiumPoints = sodium * 0.1; var estimatedProteinPoints = protein * -0.2; // Protein reduces points var estimatedCaloriesPoints = calories * 0.005; var calculatedTotalPoints = estimatedFatPoints + estimatedSugarPoints + estimatedSodiumPoints + estimatedProteinPoints + estimatedCaloriesPoints; // Ensure points are not negative if protein is very high and other values are low. // WW points generally start from a base > 0. calculatedTotalPoints = Math.max(0, calculatedTotalPoints); // Round to nearest whole number for display, as WW typically does. var finalPoints = Math.round(calculatedTotalPoints); document.getElementById('mainResult').textContent = finalPoints; document.getElementById('fatPoints').textContent = Math.round(estimatedFatPoints); document.getElementById('carbsPoints').textContent = Math.round(estimatedSugarPoints); document.getElementById('proteinPoints').textContent = Math.round(estimatedProteinPoints); document.getElementById('caloriesPoints').textContent = Math.round(estimatedCaloriesPoints); // Update copyable content document.getElementById('copyServings').textContent = servings; document.getElementById('copyCalories').textContent = calories; document.getElementById('copySatFat').textContent = saturatedFat.toFixed(1); document.getElementById('copySugar').textContent = sugar.toFixed(1); document.getElementById('copySodium').textContent = sodium; document.getElementById('copyProtein').textContent = protein.toFixed(1); document.getElementById('copyMainPoints').textContent = finalPoints; // Update Chart updateChart(servings, calories, saturatedFat, sugar, sodium, protein); } function resetCalculator() { document.getElementById('servings').value = 4; document.getElementById('caloriesPerServing').value = 350; document.getElementById('saturatedFatPerServing').value = 5; document.getElementById('sugarPerServing').value = 10; document.getElementById('sodiumPerServing').value = 500; document.getElementById('proteinPerServing').value = 20; // Clear errors document.getElementById('servingsError').textContent = ""; document.getElementById('caloriesPerServingError').textContent = ""; document.getElementById('saturatedFatPerServingError').textContent = ""; document.getElementById('sugarPerServingError').textContent = ""; document.getElementById('sodiumPerServingError').textContent = ""; document.getElementById('proteinPerServingError').textContent = ""; calculatePoints(); // Recalculate with defaults } function copyResults() { var mainResult = document.getElementById('mainResult').textContent; var fatPoints = document.getElementById('fatPoints').textContent; var carbsPoints = document.getElementById('carbsPoints').textContent; var proteinPoints = document.getElementById('proteinPoints').textContent; var caloriesPoints = document.getElementById('caloriesPoints').textContent; var copyServings = document.getElementById('copyServings').textContent; var copyCalories = document.getElementById('copyCalories').textContent; var copySatFat = document.getElementById('copySatFat').textContent; var copySugar = document.getElementById('copySugar').textContent; var copySodium = document.getElementById('copySodium').textContent; var copyProtein = document.getElementById('copyProtein').textContent; var copyMainPoints = document.getElementById('copyMainPoints').textContent; if (mainResult === "–") { alert("No results to copy yet."); return; } var textToCopy = "— WW Recipe Points Calculation —\n\n"; textToCopy += "Recipe Points Breakdown:\n"; textToCopy += "Total WW Points per Serving: " + mainResult + "\n"; textToCopy += "Fat Points Contribution: " + fatPoints + "\n"; textToCopy += "Carbs/Sugar Points Contribution: " + carbsPoints + "\n"; textToCopy += "Protein Points Contribution: " + proteinPoints + "\n"; textToCopy += "Calories Points Contribution: " + caloriesPoints + "\n\n"; textToCopy += "Key Assumptions:\n"; textToCopy += "Servings: " + copyServings + "\n"; textToCopy += "Calories per Serving: " + copyCalories + "\n"; textToCopy += "Saturated Fat per Serving: " + copySatFat + " g\n"; textToCopy += "Sugar per Serving: " + copySugar + " g\n"; textToCopy += "Sodium per Serving: " + copySodium + " mg\n"; textToCopy += "Protein per Serving: " + copyProtein + " g\n"; textToCopy += "———————————-\n"; navigator.clipboard.writeText(textToCopy).then(function() { alert("Results copied to clipboard!"); }, function(err) { console.error('Async: Could not copy text: ', err); alert("Failed to copy results. Please copy manually."); }); } // Chart Logic var pointsChart; // Declare globally var chartData = { labels: [], datasets: [ { label: 'Points Contribution', data: [], backgroundColor: 'rgba(0, 74, 153, 0.6)', // Primary Color borderColor: 'rgba(0, 74, 153, 1)', borderWidth: 1, fill: false }, { label: 'Total Points', data: [], backgroundColor: 'rgba(40, 167, 69, 0.6)', // Success Color borderColor: 'rgba(40, 167, 69, 1)', borderWidth: 1, fill: false, pointStyle: 'rectRot', pointRadius: 6, pointBorderWidth: 2 } ] }; function updateChart(servings, calories, saturatedFat, sugar, sodium, protein) { var ctx = document.getElementById('pointsChart').getContext('2d'); // Clear previous chart if it exists if (pointsChart) { pointsChart.destroy(); } // Generate data points for the chart, varying servings slightly for visual effect var maxServingsForChart = servings + 5; var labels = []; var pointsData = []; var totalPointsData = []; // Recalculate using the same formula for chart points var estimatedFatPoints = saturatedFat * 0.5; var estimatedSugarPoints = sugar * 0.5; var estimatedSodiumPoints = sodium * 0.1; var estimatedProteinPoints = protein * -0.2; var estimatedCaloriesPoints = calories * 0.005; var basePointCalc = estimatedFatPoints + estimatedSugarPoints + estimatedSodiumPoints + estimatedProteinPoints + estimatedCaloriesPoints; for (var i = 1; i <= maxServingsForChart; i++) { labels.push('Serving ' + i); // Calculate points contribution for each component for THIS serving count // For simplicity in this chart, we'll assume nutrient density remains constant per serving // and visualize the total points if you were to make 'i' servings from the same base recipe. // OR, more realistically, we show the points breakdown for ONE serving as calculated, // and perhaps a line showing a hypothetical increase if servings were smaller (more dense). // Let's show breakdown for the calculated serving first, then a hypothetical total increase. if (i === 1) { var currentTotalPoints = Math.round(Math.max(0, basePointCalc)); pointsData.push(estimatedFatPoints); // Contribution of fat pointsData.push(estimatedSugarPoints); // Contribution of sugar pointsData.push(estimatedProteinPoints); // Contribution of protein pointsData.push(estimatedCaloriesPoints); // Contribution of calories totalPointsData.push(currentTotalPoints); } else { // For simplicity, let's just show the total points for the calculated servings value // and have the 'Points Contribution' show a breakdown for a single serving. // This is a common way to visualize. var hypotheticalTotalPoints = Math.round(Math.max(0, basePointCalc * (servings / i))); // Scale if servings were different totalPointsData.push(hypotheticalTotalPoints); // For the breakdown dataset, let's keep it constant for the single serving for clarity. // Or perhaps scale it if the serving size is implied to change. // Given the prompt asks for 'dynamic chart' and 'two data series', let's have: // Series 1: Breakdown of points for the calculated serving (Fat, Sugar, Protein, Calories) – this won't be a line. It's better as bars. // Series 2: Total points across a range of servings. // Rethink chart strategy: // We have 4 intermediate points components and a total. // Let's make the chart show the TOTAL points for different SERVINGS. // And maybe a secondary series showing something else, like Calorie density. // Given the request "Points Distribution Over Serving Size", let's vary servings. // New Strategy: // X-axis: Number of Servings (from 1 to ~10) // Series 1: Total Points (calculated based on nutrients per serving, scaled by servings) // Series 2: Calories per Serving (constant) – or maybe Saturated Fat per Serving (constant) // Let's stick to the original: Show contribution of each factor for ONE serving. // This is hard to visualize dynamically on a single line chart. // A bar chart would be better for contributions. // Let's adapt to show the components as bars for a single serving, and a total line. // This requires changing the chart type potentially. // Stick to line chart as requested, but represent data differently. // Option: Show the total points for a range of servings, and the points from SAT FAT for that range. // This provides two series and visualizes impact. var currentServings = i; var totalPointsForServings = Math.round(Math.max(0, basePointCalc * currentServings)); var satFatPointsForServings = Math.round(estimatedFatPoints * currentServings); pointsData.push(satFatPointsForServings); totalPointsData.push(totalPointsForServings); } } chartData.labels = labels; chartData.datasets[0].data = pointsData; // Saturated Fat Points Contribution chartData.datasets[0].label = 'Saturated Fat Points Contribution'; chartData.datasets[1].data = totalPointsData; // Total Points chartData.datasets[1].label = 'Total WW Points'; pointsChart = new Chart(ctx, { type: 'line', // Using line chart as requested data: chartData, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'WW Points' } }, x: { title: { display: true, text: 'Number of Servings' } } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y + ' pts'; } return label; } } } } } }); } // Initial calculation on page load document.addEventListener('DOMContentLoaded', function() { calculatePoints(); });

Leave a Comment