Calculate Weight Watchers Points for a Recipe

Calculate Weight Watchers Points for a Recipe – Free Tool :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –card-bg: #fff; –error-color: #dc3545; } 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: 20px; display: flex; flex-direction: column; align-items: center; } .container { width: 100%; max-width: 960px; background-color: var(–card-bg); padding: 30px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); margin-bottom: 30px; } h1, h2, h3 { color: var(–primary-color); margin-bottom: 1em; text-align: center; } h1 { font-size: 2.5em; } h2 { font-size: 2em; } h3 { font-size: 1.5em; } .calculator-section { margin-bottom: 40px; padding-bottom: 40px; border-bottom: 1px solid var(–border-color); } .calculator-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; } .loan-calc-container { display: flex; flex-direction: column; gap: 20px; } .input-group { display: flex; flex-direction: column; gap: 8px; } .input-group label { font-weight: bold; color: var(–primary-color); } .input-group input[type="number"], .input-group input[type="text"], .input-group select { padding: 12px 15px; border: 1px solid var(–border-color); border-radius: 5px; font-size: 1em; width: 100%; box-sizing: border-box; } .input-group input[type="number"]:focus, .input-group input[type="text"]:focus, .input-group select:focus { outline: none; border-color: var(–primary-color); box-shadow: 0 0 0 2px rgba(0, 74, 153, 0.2); } .input-group .helper-text { font-size: 0.85em; color: #666; } .error-message { color: var(–error-color); font-size: 0.8em; margin-top: 5px; min-height: 1.2em; /* Prevent layout shift */ } .button-group { display: flex; gap: 15px; margin-top: 25px; flex-wrap: wrap; /* Allow wrapping on smaller screens */ } .button-group button { padding: 12px 25px; border: none; border-radius: 5px; cursor: pointer; font-size: 1em; font-weight: bold; transition: background-color 0.3s ease, transform 0.2s ease; min-width: 150px; /* Ensure buttons have some width */ } .button-group button:hover { transform: translateY(-2px); } .calculate-btn { background-color: var(–primary-color); color: white; } .calculate-btn:hover { background-color: #003a7a; } .reset-btn { background-color: #6c757d; color: white; } .reset-btn:hover { background-color: #5a6268; } .copy-btn { background-color: var(–success-color); color: white; } .copy-btn:hover { background-color: #218838; } .results-container { background-color: var(–primary-color); color: white; padding: 25px; border-radius: 8px; margin-top: 30px; text-align: center; box-shadow: 0 2px 10px rgba(0, 74, 153, 0.3); } .results-container h3 { color: white; margin-bottom: 15px; } .main-result { font-size: 2.5em; font-weight: bold; margin-bottom: 10px; display: block; } .sub-results { font-size: 1.1em; margin-top: 15px; display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; } .sub-result-item { display: flex; flex-direction: column; align-items: center; } .sub-result-item .label { font-weight: bold; opacity: 0.8; } .sub-result-item .value { font-size: 1.3em; font-weight: bold; } .formula-explanation { font-size: 0.9em; color: rgba(255, 255, 255, 0.8); margin-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.2); padding-top: 15px; } table { width: 100%; border-collapse: collapse; margin-top: 30px; margin-bottom: 30px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); } caption { font-size: 1.2em; font-weight: bold; color: var(–primary-color); margin-bottom: 15px; text-align: left; } th, td { padding: 12px 15px; text-align: left; border: 1px solid var(–border-color); } thead th { background-color: var(–primary-color); color: white; font-weight: bold; } tbody tr:nth-child(even) { background-color: #f2f2f2; } .chart-container { width: 100%; max-width: 700px; /* Limit chart width for better readability */ margin: 30px auto; padding: 20px; background-color: var(–card-bg); border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); } canvas { display: block; /* Remove extra space below canvas */ width: 100% !important; /* Ensure canvas scales */ height: auto !important; } .article-content { width: 100%; max-width: 960px; margin-top: 30px; background-color: var(–card-bg); padding: 30px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); text-align: left; /* Ensure article text is left-aligned */ } .article-content p, .article-content ul, .article-content ol { margin-bottom: 1.5em; } .article-content h2, .article-content h3 { text-align: left; margin-top: 1.8em; margin-bottom: 0.8em; } .article-content li { margin-bottom: 0.5em; } .article-content code { background-color: #e9ecef; padding: 2px 5px; border-radius: 3px; font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace; } .article-content a { color: var(–primary-color); text-decoration: none; } .article-content a:hover { text-decoration: underline; } .internal-links-section ul { list-style: none; padding: 0; } .internal-links-section li { margin-bottom: 15px; } .internal-links-section a { font-weight: bold; } .internal-links-section p { margin-top: 5px; font-size: 0.95em; color: #555; } /* Responsive adjustments */ @media (max-width: 768px) { .container, .article-content { padding: 20px; } h1 { font-size: 2em; } h2 { font-size: 1.75em; } .button-group { flex-direction: column; align-items: stretch; /* Make buttons full width */ } .button-group button { min-width: auto; /* Remove fixed min-width */ width: 100%; } .main-result { font-size: 2em; } .sub-result-item .value { font-size: 1.1em; } }

Calculate Weight Watchers Points for a Recipe

Effortlessly determine the SmartPoints value for any meal or recipe.

Total calories divided by the number of servings.
Total saturated fat divided by the number of servings.
Total sugar divided by the number of servings.
Total sodium divided by the number of servings.

Recipe Points

Points per Serving
Calories
Saturated Fat
Sugar
Sodium
WW SmartPoints are calculated using calories, saturated fat, sugar, and sodium. The exact formula varies slightly by plan (e.g., WW Blue, Green, Purple) and historical changes, but a common approach for a standard recipe point calculation involves these components. For simplicity, this calculator uses a widely accepted approximation of the formula, focusing on the key nutritional inputs.
Points Breakdown by Nutrient
Nutritional Information Summary
Nutrient Amount per Serving
Calories
Saturated Fat (g)
Sugar (g)
Sodium (mg)
Total Points
Points per Serving

Understanding and Calculating Weight Watchers Points

Embarking on a weight management journey often involves understanding the nutritional value of the foods we consume. Weight Watchers (now WW) offers a points system designed to guide individuals towards healthier choices. This system assigns a point value to foods based on their nutritional content, making it easier to manage intake and stay within a daily budget. Our free calculator helps you determine these points for any recipe, empowering you with knowledge about your meals.

What is the Weight Watchers Points System?

The Weight Watchers Points system is a core component of the WW program. It assigns a numerical value to foods and drinks based on their nutritional makeup, specifically focusing on factors that contribute to satiety and overall health. The primary goal is to encourage members to choose foods that are lower in "negative" attributes (like saturated fat and sugar) and higher in "positive" ones (like protein and fiber, although the direct calculation primarily uses the former). Users are given a personal daily points budget, and by tracking their food intake, they can stay within this budget to achieve their weight loss goals. Different WW plans (like Green, Blue, and Purple) have different point systems and food allowances, but the underlying principle remains the same: making informed food choices.

Who should use it? Anyone following a WW program (all active plans) will benefit from this calculator. It's also useful for individuals who are curious about the points value of their homemade meals and want to make healthier substitutions. It's a tool for awareness and healthier eating, not just for strict WW members.

Common misconceptions about WW Points include the idea that all "zero-point" foods are equally healthy in unlimited quantities, or that point values are fixed forever. WW periodically updates its algorithm and plans, so point values can change. It's also a misconception that the system only focuses on restriction; it actively promotes nutrient-dense foods.

Weight Watchers Points Formula and Mathematical Explanation

The calculation of Weight Watchers SmartPoints (and previously, PointsPlus) has evolved over the years. The current SmartPoints system, which is used in the WW app and by most members today, relies on four key nutritional components: calories, saturated fat, sugar, and protein. For the purpose of calculating recipe points accurately, we often use a simplified approximation that focuses on the most impactful elements, especially when precise protein data isn't readily available for every ingredient in a homemade recipe. The core idea is to assign higher points to foods that are less satiating and more energy-dense, and fewer points to those that are more filling and nutritious.

A commonly cited approximation for the SmartPoints calculation per serving is:

Points = (0.2 * Saturated Fat) + (0.4 * Sugar) + (0.5 * Calories) + (0.1 * Sodium / 23)

However, many calculators and discussions simplify this further or use variations based on historical PointsPlus formulas or current SmartPoints approximations which heavily weigh saturated fat, sugar, and calories. The formula implemented in this calculator is a direct representation of how many WW resources suggest calculating points for foods lacking explicit protein values, focusing on the negative contributors:

Points per Serving = (Calories / 350) + (Saturated Fat (g) / 9) + (Sugar (g) / 12.5)

This formula assigns points based on how a food's nutritional profile deviates from a baseline deemed "free" or low-point. For instance, for every 350 calories, 9 grams of saturated fat, or 12.5 grams of sugar, the recipe gains 1 point. Sodium also historically played a role, but its impact has been lessened in the SmartPoints formula compared to older versions. For clarity and accessibility, this calculator prioritizes the most significant drivers of points: calories, saturated fat, and sugar.

Variables Explained

Variable Meaning Unit Typical Range (per serving)
Calories Energy provided by the food per serving. kcal 0 – 1000+
Saturated Fat (g) Type of fat contributing most to point values. grams (g) 0 – 50+
Sugar (g) Naturally occurring and added sugars per serving. grams (g) 0 – 100+
Sodium (mg) Salt content contributing to points. milligrams (mg) 0 – 2000+
Servings The total number of portions the recipe yields. Count 1 – 20+
Points per Serving The calculated WW points value for one portion. Points 0 – 20+
Total Points The sum of points for the entire recipe before dividing by servings. Points 0 – 200+

The calculator then provides the 'Points per Serving' as the primary result, which is what WW members typically track. The 'Total Points' for the recipe is also implicitly calculated before division.

Practical Examples (Real-World Use Cases)

Example 1: Healthy Baked Salmon with Roasted Vegetables

Let's calculate the points for a healthy dinner recipe. Suppose a recipe for Baked Salmon with Roasted Asparagus and Sweet Potatoes yields 4 servings. Per serving, the nutritional information is:

  • Calories: 400 kcal
  • Saturated Fat: 4g
  • Sugar: 15g
  • Sodium: 350mg

Inputs for Calculator:

  • Recipe Name: Salmon Dinner
  • Number of Servings: 4
  • Calories per Serving: 400
  • Saturated Fat (g) per Serving: 4
  • Sugar (g) per Serving: 15
  • Sodium (mg) per Serving: 350

Calculation:

  • Points from Calories: 400 / 350 ≈ 1.14
  • Points from Saturated Fat: 4 / 9 ≈ 0.44
  • Points from Sugar: 15 / 12.5 = 1.2
  • Total Points per Serving ≈ 1.14 + 0.44 + 1.2 = 2.78

Result: The calculator would show approximately 3 SmartPoints per serving. This is considered a relatively low point value for a full meal, reflecting the lean protein and healthy fats in salmon, along with vegetables.

Example 2: Creamy Tomato Pasta Dish

Consider a richer pasta dish that also serves 4. The nutritional breakdown per serving is:

  • Calories: 650 kcal
  • Saturated Fat: 12g
  • Sugar: 8g
  • Sodium: 600mg

Inputs for Calculator:

  • Recipe Name: Creamy Pasta
  • Number of Servings: 4
  • Calories per Serving: 650
  • Saturated Fat (g) per Serving: 12
  • Sugar (g) per Serving: 8
  • Sodium (mg) per Serving: 600

Calculation:

  • Points from Calories: 650 / 350 ≈ 1.86
  • Points from Saturated Fat: 12 / 9 ≈ 1.33
  • Points from Sugar: 8 / 12.5 = 0.64
  • Total Points per Serving ≈ 1.86 + 1.33 + 0.64 = 3.83

Result: The calculator would show approximately 4 SmartPoints per serving. While higher than the salmon dish, this is still a moderate point value. The higher calorie and saturated fat content contribute significantly to the point total. This helps in making informed decisions about portion sizes or ingredient substitutions to lower points, perhaps by using a lighter cream or more vegetables.

How to Use This Weight Watchers Points Calculator

Using our free online calculator is straightforward. Follow these simple steps to determine the WW Points for your homemade recipes:

  1. Gather Nutritional Information: First, you need the nutritional breakdown for *one serving* of your recipe. If you have the total nutritional information for the entire recipe, divide each value (calories, saturated fat, sugar, sodium) by the total number of servings. You can often find this information using online recipe nutrition calculators or by analyzing the ingredients in your WW app.
  2. Enter Recipe Name: In the "Recipe Name" field, type a descriptive name for your dish (e.g., "Lentil Soup," "Turkey Chili").
  3. Input Servings: Enter the total number of servings your recipe yields in the "Number of Servings" field.
  4. Input Nutritional Values: Carefully enter the Calories, Saturated Fat (in grams), Sugar (in grams), and Sodium (in milligrams) *per serving*. Double-check these figures for accuracy.
  5. Calculate: Click the "Calculate Points" button.

How to Read Results:

  • The calculator will display the "Points per Serving" as the main highlighted result. This is the value you'll track in your WW program.
  • Intermediate values like total Calories, Saturated Fat, Sugar, and Sodium per serving are also shown for context.
  • The formula used is displayed below the results, offering transparency.
  • A breakdown chart and table provide a visual and tabular summary of the nutritional components contributing to the points.

Decision-Making Guidance: Use the calculated points to understand the health impact of your meal. If the points per serving are higher than you expected, consider making modifications. For instance, you could swap high-fat ingredients for lower-fat alternatives, reduce sugar content, or increase the number of servings to lower the points per portion. This tool helps you compare different recipes and make healthier choices aligned with your WW goals.

Key Factors That Affect Weight Watchers Points Results

Several factors significantly influence the calculated WW Points for a recipe. Understanding these can help you better manage your food choices:

  1. Saturated Fat Content: This is a major driver of points. Foods high in saturated fat (found in fatty meats, full-fat dairy, butter, coconut oil) contribute significantly more points per gram than other components. Reducing saturated fat is a key strategy for lowering points.
  2. Sugar Content: Both added and naturally occurring sugars (like those in fruits or dairy, though processed sugars often have a higher impact) increase point values. Recipes with high sugar content, such as desserts, sweetened sauces, or baked goods, will naturally have higher points.
  3. Calorie Density: Foods that pack a lot of calories into a small volume generally have higher point values. This includes high-fat foods, refined carbohydrates, and processed snacks. WW aims to encourage choices that are more filling for fewer calories and points.
  4. Protein Content (Indirectly): While not always directly in simplified calculators, the WW SmartPoints formula *does* account for protein. Higher protein foods are generally more satiating and tend to have lower point values relative to their calorie content. Recipes rich in lean protein (like chicken breast, fish, beans, lentils) often have fewer points than similar-calorie recipes high in fat or sugar.
  5. Fiber Content (Indirectly): Fiber aids satiety and is a positive nutritional attribute. While not a direct input in the basic points formula, foods high in fiber (whole grains, vegetables, legumes) are often lower in calories and sugar, leading to lower point values.
  6. Portion Size and Servings: The number of servings a recipe is divided into is critical. A recipe might be high in points overall, but if it yields many servings, the points per serving can be quite low. Conversely, a seemingly moderate recipe divided into very few servings will have a high points-per-serving value. Accurate serving calculation is essential.
  7. Ingredient Choices: The specific ingredients used have a profound impact. Choosing lean meats over fatty ones, low-fat dairy over full-fat, whole grains over refined, and limiting added sugars and unhealthy fats directly lowers the overall points.

Frequently Asked Questions (FAQ)

Q1: How accurate is this calculator?
This calculator uses a widely accepted approximation of the WW SmartPoints formula, focusing on calories, saturated fat, and sugar. WW's official calculation may include protein and have slight variations based on their current plan algorithms. For precise official points, always refer to the WW app.
Q2: Can I use this for any WW plan (Green, Blue, Purple)?
The calculation provides a general SmartPoints value. While the core formula elements are consistent, the specific "zero-point" food lists and daily budgets vary by plan. This calculator helps determine the points for non-zero-point foods within any plan.
Q3: What if my recipe has zero sugar or zero saturated fat?
Simply enter '0' in the respective fields. The calculator will correctly adjust the points calculation. Many recipes can be made with minimal amounts of these components.
Q4: How do I find the nutritional information for my recipe?
You can use online recipe nutrition calculators (search "recipe nutrition calculator"), input your ingredients into the WW app if it offers a nutrition tracking feature, or consult nutritional databases for individual ingredients and sum them up.
Q5: Does this calculator consider protein?
This particular calculator uses a simplified formula focusing on calories, saturated fat, and sugar for ease of use with common recipe data. The official WW SmartPoints algorithm does incorporate protein, which tends to lower the points for protein-rich foods. For a more accurate, official calculation, using the WW app is recommended.
Q6: What if my recipe is mostly vegetables or fruits?
Many fruits and vegetables are "zero-point" foods on certain WW plans. However, if they are prepared with added fats, sugars, or are part of a larger recipe, they will contribute points based on their nutritional values. This calculator will accurately reflect points based on the inputs provided.
Q7: Can I use this for drinks or smoothies?
Yes, if you have the nutritional breakdown per serving. Smoothies, especially those with added sweeteners, high-fat ingredients (like full-fat yogurt or nut butters), or large amounts of fruit, can accumulate points quickly. This calculator will help you quantify that.
Q8: What does "Total Points" mean in the results?
The "Total Points" shown is the sum of points for the *entire* recipe before dividing by the number of servings. The primary result, "Points per Serving," is what WW members typically track daily.
var chartInstance = null; // Store chart instance to destroy and recreate function calculatePoints() { // Get input values var servings = parseFloat(document.getElementById("servings").value); var caloriesPerServing = parseFloat(document.getElementById("caloriesPerServing").value); var saturatedFatPerServing = parseFloat(document.getElementById("saturatedFatPerServing").value); var sugarPerServing = parseFloat(document.getElementById("sugarPerServing").value); var sodiumPerServing = parseFloat(document.getElementById("sodiumPerServing").value); var recipeName = document.getElementById("recipeName").value || "Recipe"; // Reset error messages document.getElementById("servingsError").textContent = ""; document.getElementById("caloriesPerServingError").textContent = ""; document.getElementById("saturatedFatPerServingError").textContent = ""; document.getElementById("sugarPerServingError").textContent = ""; document.getElementById("sodiumPerServingError").textContent = ""; var isValid = true; // Validate inputs if (isNaN(servings) || servings <= 0) { document.getElementById("servingsError").textContent = "Please enter a valid number of servings (greater than 0)."; isValid = false; } if (isNaN(caloriesPerServing) || caloriesPerServing < 0) { document.getElementById("caloriesPerServingError").textContent = "Please enter a valid calorie count (0 or more)."; isValid = false; } if (isNaN(saturatedFatPerServing) || saturatedFatPerServing < 0) { document.getElementById("saturatedFatPerServingError").textContent = "Please enter a valid amount of saturated fat (0 or more)."; isValid = false; } if (isNaN(sugarPerServing) || sugarPerServing < 0) { document.getElementById("sugarPerServingError").textContent = "Please enter a valid amount of sugar (0 or more)."; isValid = false; } if (isNaN(sodiumPerServing) || sodiumPerServing < 0) { document.getElementById("sodiumPerServingError").textContent = "Please enter a valid amount of sodium (0 or more)."; isValid = false; } if (!isValid) { return; // Stop calculation if any validation fails } // WW Points Calculation (Approximation based on Calories, Sat Fat, Sugar) // Formula: Points = (Calories / 350) + (Saturated Fat (g) / 9) + (Sugar (g) / 12.5) var pointsFromCalories = caloriesPerServing / 350; var pointsFromSatFat = saturatedFatPerServing / 9; var pointsFromSugar = sugarPerServing / 12.5; // Sodium is often less impactful in current formulas, but can be included if desired: // var pointsFromSodium = sodiumPerServing / 23 / 10; // Example scaling if sodium is a factor var totalPointsPerServing = pointsFromCalories + pointsFromSatFat + pointsFromSugar; // Round to the nearest whole number as per WW practice var roundedPointsPerServing = Math.round(totalPointsPerServing); // Calculate Total Points for the recipe var totalRecipePoints = roundedPointsPerServing * servings; // Display results document.getElementById("resultsContainer").style.display = "block"; document.getElementById("resultRecipeName").textContent = recipeName + " Points"; document.getElementById("mainPointsResult").textContent = roundedPointsPerServing; document.getElementById("pointsPerServingResult").textContent = roundedPointsPerServing; document.getElementById("caloriesResult").textContent = caloriesPerServing.toFixed(0); document.getElementById("satFatResult").textContent = saturatedFatPerServing.toFixed(1) + "g"; document.getElementById("sugarResult").textContent = sugarPerServing.toFixed(0) + "g"; document.getElementById("sodiumResult").textContent = sodiumPerServing.toFixed(0) + "mg"; // Update table document.getElementById("tableCalories").textContent = caloriesPerServing.toFixed(0); document.getElementById("tableSatFat").textContent = saturatedFatPerServing.toFixed(1) + "g"; document.getElementById("tableSugar").textContent = sugarPerServing.toFixed(0) + "g"; document.getElementById("tableSodium").textContent = sodiumPerServing.toFixed(0) + "mg"; document.getElementById("tableTotalPoints").textContent = totalRecipePoints.toFixed(0); document.getElementById("tablePointsPerServing").textContent = roundedPointsPerServing; // Update Chart updateChart(caloriesPerServing, saturatedFatPerServing, sugarPerServing, sodiumPerServing, roundedPointsPerServing); } function updateChart(calories, satFat, sugar, sodium, points) { var ctx = document.getElementById('pointsChart').getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } // Use a simplified formula for point contribution visualization if needed, or just show the nutrient values // For a breakdown, let's visualize the *contribution* to points, not just the raw values. // Using the same formula components as the calculator for consistency. var pointsFromCalories = calories / 350; var pointsFromSatFat = satFat / 9; var pointsFromSugar = sugar / 12.5; var pointsFromSodium = 0; // Sodium's contribution is often less direct or scaled differently in simplified views. Let's focus on the main 3. // Ensure values are not negative if inputs were somehow negative despite validation pointsFromCalories = Math.max(0, pointsFromCalories); pointsFromSatFat = Math.max(0, pointsFromSatFat); pointsFromSugar = Math.max(0, pointsFromSugar); chartInstance = new Chart(ctx, { type: 'bar', data: { labels: ['Calories', 'Saturated Fat', 'Sugar'], datasets: [{ label: 'Point Contribution', data: [pointsFromCalories, pointsFromSatFat, pointsFromSugar], backgroundColor: [ 'rgba(54, 162, 235, 0.6)', // Blue for Calories 'rgba(255, 99, 132, 0.6)', // Red for Saturated Fat 'rgba(255, 206, 86, 0.6)' // Yellow for Sugar ], borderColor: [ 'rgba(54, 162, 235, 1)', 'rgba(255, 99, 132, 1)', 'rgba(255, 206, 86, 1)' ], borderWidth: 1 }, { label: 'Total Points per Serving', data: [points, points, points], // Display total points as a constant line/bar for comparison type: 'line', // Use a line to show the target/total borderColor: 'rgba(75, 192, 192, 1)', borderWidth: 2, fill: false, pointRadius: 5, pointBackgroundColor: 'rgba(75, 192, 192, 1)' }] }, options: { responsive: true, maintainAspectRatio: true, scales: { y: { beginAtZero: true, title: { display: true, text: 'Approximate Point Contribution' } } }, plugins: { title: { display: true, text: 'Contribution to WW Points per Serving' }, tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { // Display the rounded point value for datasets contributing to points if (context.dataset.label === 'Point Contribution') { label += context.parsed.y.toFixed(2); // Show more precision for contribution } else { label += context.parsed.y.toFixed(0); // Show whole number for total points } } return label; } } } } } }); } function resetCalculator() { document.getElementById("recipeName").value = ""; document.getElementById("servings").value = "4"; document.getElementById("caloriesPerServing").value = "350"; document.getElementById("saturatedFatPerServing").value = "5"; document.getElementById("sugarPerServing").value = "10"; document.getElementById("sodiumPerServing").value = "400"; // Clear results and hide container document.getElementById("resultsContainer").style.display = "none"; document.getElementById("mainPointsResult").textContent = "–"; document.getElementById("pointsPerServingResult").textContent = "–"; document.getElementById("caloriesResult").textContent = "–"; document.getElementById("satFatResult").textContent = "–"; document.getElementById("sugarResult").textContent = "–"; document.getElementById("sodiumResult").textContent = "–"; // Clear table document.getElementById("tableCalories").textContent = "–"; document.getElementById("tableSatFat").textContent = "–"; document.getElementById("tableSugar").textContent = "–"; document.getElementById("tableSodium").textContent = "–"; document.getElementById("tableTotalPoints").textContent = "–"; document.getElementById("tablePointsPerServing").textContent = "–"; // Clear chart and error messages var ctx = document.getElementById('pointsChart').getContext('2d'); if (chartInstance) { chartInstance.destroy(); chartInstance = null; } // Clear error messages document.getElementById("servingsError").textContent = ""; document.getElementById("caloriesPerServingError").textContent = ""; document.getElementById("saturatedFatPerServingError").textContent = ""; document.getElementById("sugarPerServingError").textContent = ""; document.getElementById("sodiumPerServingError").textContent = ""; } function copyResults() { var recipeName = document.getElementById("recipeName").value || "Recipe"; var mainPoints = document.getElementById("mainPointsResult").textContent; var pointsPerServing = document.getElementById("pointsPerServingResult").textContent; var calories = document.getElementById("caloriesResult").textContent; var satFat = document.getElementById("satFatResult").textContent; var sugar = document.getElementById("sugarResult").textContent; var sodium = document.getElementById("sodiumResult").textContent; var resultsText = "WW Points Calculation Results for: " + recipeName + "\n\n"; resultsText += "— Main Result —\n"; resultsText += "Total Points per Serving: " + mainPoints + "\n\n"; resultsText += "— Nutritional Breakdown per Serving —\n"; resultsText += "Calories: " + calories + "\n"; resultsText += "Saturated Fat: " + satFat + "\n"; resultsText += "Sugar: " + sugar + "\n"; resultsText += "Sodium: " + sodium + "\n\n"; resultsText += "— Key Assumptions —\n"; resultsText += "Formula Used: Approximation based on Calories, Saturated Fat, and Sugar.\n"; resultsText += "Calculation rounding to nearest whole number per serving.\n"; try { navigator.clipboard.writeText(resultsText).then(function() { // Optional: Show a temporary success message var tempAlert = document.createElement('div'); tempAlert.textContent = 'Results copied to clipboard!'; tempAlert.style.cssText = 'position:fixed; top:10px; right:10px; background-color:var(–success-color); color:white; padding:10px; border-radius:5px; z-index:1000;'; document.body.appendChild(tempAlert); setTimeout(function() { document.body.removeChild(tempAlert); }, 3000); }).catch(function(err) { console.error('Failed to copy results: ', err); alert('Failed to copy results. Please copy manually.'); }); } catch (e) { console.error('Clipboard API not available: ', e); alert('Clipboard API not available. Please copy the results manually.'); } } // Initial calculation on page load if default values are set document.addEventListener("DOMContentLoaded", function() { calculatePoints(); // Load Chart.js library dynamically var script = document.createElement('script'); script.src = 'https://cdn.jsdelivr.net/npm/chart.js'; script.onload = function() { console.log('Chart.js loaded'); // Recalculate points to initialize chart after Chart.js is loaded calculatePoints(); }; document.head.appendChild(script); });

Leave a Comment