Recipe Calculator Weight Watchers

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Recipe Calculator for Weight Watchers

Accurately calculate Weight Watchers SmartPoints and nutritional values for your homemade meals.

Weight Watchers Recipe Points Calculator

Enter the name of your recipe.
How many portions does this recipe yield?
Name of the ingredient.
Amount of the ingredient.
grams (g) kilograms (kg) milliliters (ml) liters (l) ounces (oz) pounds (lb) cups (cup) tablespoons (tbsp) teaspoons (tsp) piece(s) Unit of measurement for the quantity.
Calories per 100g, 100ml, or per single unit if 'piece'.
Protein in grams.
Carbohydrates in grams.
Fat in grams.
Sugar in grams (for older WW plans, optional for SmartPoints). Leave at 0 if unsure.

Name of the ingredient.
Amount of the ingredient.
grams (g) kilograms (kg) milliliters (ml) liters (l) ounces (oz) pounds (lb) cups (cup) tablespoons (tbsp) teaspoons (tsp) piece(s) Unit of measurement for the quantity.
Calories per 100g, 100ml, or per single unit if 'piece'.
Protein in grams.
Carbohydrates in grams.
Fat in grams.
Sugar in grams (for older WW plans, optional for SmartPoints). Leave at 0 if unsure.

Name of the ingredient.
Amount of the ingredient.
grams (g) kilograms (kg) milliliters (ml) liters (l) ounces (oz) pounds (lb) cups (cup) tablespoons (tbsp) teaspoons (tsp) piece(s) Unit of measurement for the quantity.
Calories per 100g, 100ml, or per single unit if 'piece'.
Protein in grams.
Carbohydrates in grams.
Fat in grams.
Sugar in grams (for older WW plans, optional for SmartPoints). Leave at 0 if unsure.

Total Calories:

Total Protein: g

Total Carbs: g

Total Fat: g

Key Assumptions:

WW Plan: SmartPoints (2023)

Calculated Per Serving:

Formula Explanation (SmartPoints 2023):

SmartPoints are calculated based on nutritional values. The formula considers:

  • 0.25 * Fat (g)
  • 0.10 * Carbohydrates (g)
  • 0.15 * Protein (g)
  • 0.30 * Saturated Fat (g) (Note: Saturated fat is often hard to find per ingredient, so this calculator uses total fat as a proxy for simplicity and wider applicability. For a precise calculation, you'd need saturated fat data.)

The sum of these components is rounded up to the nearest whole number. This calculator uses total fat, carbs, protein, and optional sugar input for comprehensive calculation.

Nutritional Breakdown Per Serving

Ingredient Nutritional Summary

Ingredient Quantity Calories Protein (g) Carbs (g) Fat (g)

Nutritional values are calculated per serving based on the input ingredients and total servings.

What is a Weight Watchers Recipe Calculator?

A Weight Watchers recipe calculator is a specialized online tool designed to help individuals on the Weight Watchers (WW) program accurately determine the points value of their homemade recipes. Unlike pre-packaged foods which come with a set points value, homemade dishes require calculation based on their individual ingredients. This calculator simplifies that process by taking the nutritional information of each component and translating it into the WW points system, primarily focusing on the SmartPoints system used in recent years. It also provides a breakdown of the total nutritional content, such as calories, protein, carbohydrates, and fat, per serving.

Who Should Use a WW Recipe Calculator?

Anyone following a Weight Watchers plan who cooks at home can benefit from this tool. This includes:

  • Individuals who enjoy cooking and want to track their homemade meals accurately.
  • People who want to understand the nutritional impact of their recipes beyond just points.
  • Those who want to create healthier versions of their favorite dishes by adjusting ingredients and seeing the point difference.
  • Users of the WW program who need to log their food intake accurately for personal tracking or weight management goals.

Common Misconceptions about WW Recipe Calculators

A few common misconceptions exist:

  • They are always perfectly accurate for all WW plans: WW has evolved its plans (e.g., Blue, Green, Purple, Freestyle, PersonalPoints, SmartPoints). While this calculator aims for the most current SmartPoints formula, older plans used different calculations, often heavily reliant on sugar. Always verify with official WW resources if unsure.
  • All ingredients have readily available data: Finding exact nutritional data for every single ingredient, especially when prepped differently (e.g., fried vs. baked), can be challenging. This calculator relies on average nutritional data.
  • They replace the WW app: These calculators are excellent for home cooking, but the official WW app is comprehensive for tracking all foods, restaurant meals, and personalized plans.

Weight Watchers Recipe Calculator Formula and Mathematical Explanation

The core of a Weight Watchers recipe calculator lies in its ability to translate nutritional data into a points value. The most widely used system in recent years is SmartPoints. While the exact formulas can vary slightly by WW plan version and region, the general SmartPoints calculation (often referred to as SmartPoints 2023 or similar iterations) is based on the macronutrient content of food.

The SmartPoints Formula (Simplified & Common Version)

The primary formula for calculating SmartPoints generally involves the following components:

SmartPoints = ( (Fat * 0.25) + (Carbs * 0.10) + (Protein * 0.15) + (Saturated Fat * 0.30) )

This value is then typically rounded up to the nearest whole number. Different WW plans might have slight variations:

  • Freestyle/SmartPoints (Earlier): Focused heavily on zero-point foods and a similar formula.
  • PersonalPoints: Highly individualized, requiring more complex tracking.
  • SmartPoints (Current Iterations): Often emphasizes the balance of macronutrients as above.

Important Note on Saturated Fat: Many common ingredient databases do not readily provide "saturated fat" per 100g. For practical home use, calculators often use Total Fat as a proxy or simply omit the saturated fat component if data is unavailable, which will slightly alter the point calculation. This calculator uses total fat for simplicity, acknowledging this approximation.

Variable Explanations

Let's break down the variables used in the calculation:

Variable Meaning Unit Typical Range (per 100g/ml or unit)
Fat Total fat content of the ingredient. Grams (g) 0 – 100g
Carbs Total carbohydrate content of the ingredient. Grams (g) 0 – 100g
Protein Total protein content of the ingredient. Grams (g) 0 – 100g
Saturated Fat Saturated fat content (often estimated or omitted). Grams (g) 0 – ~50g
Sugar (Optional) Total sugar content. Historically important for older WW plans. Grams (g) 0 – 100g
Quantity The amount of the ingredient used in the recipe. Grams, ml, piece, etc. Varies
Total Servings The total number of portions the recipe yields. Number 1+

How Calculations Work

1. Calculate Total Nutrition: For each ingredient, multiply its per-100g/ml nutritional values (Fat, Carbs, Protein) by the total quantity used in the recipe (adjusted for the unit of measurement). Sum these up for the entire recipe to get the total grams of Fat, Carbs, and Protein for the whole dish.

2. Calculate Total Points: Apply the SmartPoints formula using the total nutritional values calculated in step 1. Sum the weighted values: (Total Fat * 0.25) + (Total Carbs * 0.10) + (Total Protein * 0.15). (Note: Saturated fat is often excluded due to data scarcity).

3. Determine Points Per Serving: Divide the Total Points by the Total Servings.

4. Round Up: Round the points per serving up to the nearest whole number, as is standard practice in WW.

This recipe calculator weight watchers automates these steps, providing a quick and easy way to track your homemade meals.

Practical Examples (Real-World Use Cases)

Example 1: Simple Oatmeal

Let's calculate the points for a basic oatmeal breakfast.

  • Recipe Name: Morning Oatmeal
  • Total Servings: 1
  • Ingredients:
    • Rolled Oats: 40g (Calories: 380/100g, Protein: 12g/100g, Carbs: 66g/100g, Fat: 7g/100g)
    • Water: 200ml (Calories: 0, Protein: 0, Carbs: 0, Fat: 0)
    • Milk (1% Fat): 100ml (Calories: 42/100ml, Protein: 3.4g/100ml, Carbs: 5g/100ml, Fat: 1g/100ml)

Calculation Steps (Simplified):

  1. Oats Nutrition: 40g oats * (380 cal/100g, 12g P/100g, 66g C/100g, 7g F/100g) = 152 Cals, 4.8g P, 26.4g C, 2.8g F.
  2. Milk Nutrition: 100ml milk * (42 cal/100ml, 3.4g P/100ml, 5g C/100ml, 1g F/100ml) = 42 Cals, 3.4g P, 5g C, 1g F.
  3. Total Nutrition: Cals: 152+42 = 194; Protein: 4.8+3.4 = 8.2g; Carbs: 26.4+5 = 31.4g; Fat: 2.8+1 = 3.8g.
  4. SmartPoints: (3.8g Fat * 0.25) + (31.4g Carbs * 0.10) + (8.2g Protein * 0.15) = 0.95 + 3.14 + 1.23 = 5.32
  5. Points Per Serving: 5.32 / 1 serving = 5.32
  6. Rounded Points: 6 SmartPoints

Result Interpretation: This bowl of oatmeal would count as 6 SmartPoints. This helps users understand the point cost of a common breakfast item.

Example 2: Hearty Vegetable Soup

Calculating points for a large batch of soup.

  • Recipe Name: Garden Vegetable Soup
  • Total Servings: 8
  • Ingredients (selected):
    • Carrots: 200g (Cals: 41/100g, P: 0.9g, C: 9.6g, F: 0.2g)
    • Potatoes: 300g (Cals: 77/100g, P: 2g, C: 17g, F: 0.1g)
    • Onion: 150g (Cals: 40/100g, P: 1.1g, C: 9.3g, F: 0.1g)
    • Olive Oil: 30ml (Cals: 884/100ml, P: 0g, C: 0g, F: 100g)
    • Vegetable Broth: 1000ml (Cals: ~5/100ml, P: ~0.3g, C: ~1g, F: ~0g)

Calculation Steps (Summary): Summing up the nutrition for all ingredients (after adjusting quantities):

  • Total Calories: ~1300
  • Total Protein: ~25g
  • Total Carbs: ~200g
  • Total Fat: ~35g

SmartPoints Calculation: (35g Fat * 0.25) + (200g Carbs * 0.10) + (25g Protein * 0.15) = 8.75 + 20 + 3.75 = 32.5

Points Per Serving: 32.5 / 8 servings = 4.0625

Rounded Points: 5 SmartPoints

Result Interpretation: Each generous serving of this hearty vegetable soup counts as 5 SmartPoints. This recipe calculator weight watchers helps make healthy eating choices quantifiable.

How to Use This Weight Watchers Recipe Calculator

Using the calculator is straightforward. Follow these steps to get your recipe's points value:

  1. Enter Recipe Details: Start by inputting the Recipe Name and the Total Servings the recipe yields.
  2. Add Ingredients: For each ingredient in your recipe, you'll need to provide:
    • Ingredient Name
    • Quantity (the amount you used)
    • Unit (e.g., grams, ml, cups, pieces)
    • Calories per 100g/ml/unit
    • Protein (g) per 100g/ml/unit
    • Carbohydrates (g) per 100g/ml/unit
    • Fat (g) per 100g/ml/unit
    • (Optional) Sugar (g) per 100g/ml/unit: This is mainly for older WW plan calculations but can be left at 0.
    You can add more ingredients by clicking "Add Another Ingredient". Remove ingredients you've entered incorrectly by clicking "Remove Ingredient".
  3. Find Nutritional Data: You can typically find this information on food packaging, in online nutrition databases (like the USDA FoodData Central), or by using a separate nutritional analysis tool. Ensure you are looking at the values 'per 100g' or 'per 100ml' for consistency, or 'per unit' if applicable (e.g., per egg).
  4. Calculate: Once all ingredients are entered, click the "Calculate Points" button.

How to Read the Results

  • Primary Result: The main highlighted number shows the calculated SmartPoints per serving. This is the value you'll typically use for tracking with Weight Watchers.
  • Intermediate Values: Total Calories, Protein, Carbohydrates, and Fat for the entire recipe are shown. This provides a more complete nutritional picture.
  • Key Assumptions: This section clarifies the WW plan the calculation is based on (e.g., SmartPoints 2023) and confirms the points are calculated per serving.
  • Formula Explanation: Details the mathematical basis for the SmartPoints calculation.
  • Chart and Table: The bar chart visually represents the macronutrient breakdown per serving, while the table summarizes the nutrition for each ingredient entered.

Decision-Making Guidance

Use the results to:

  • Track Your Food: Log the calculated SmartPoints per serving into your WW app or journal.
  • Compare Recipes: See how different ingredients or preparation methods affect the points value. For example, reducing the amount of oil or choosing leaner meats can lower points.
  • Adjust for Your Plan: If you are on a specific WW plan with a unique points budget or zero-point foods, use this calculation as a starting point and make adjustments based on your plan's rules.
  • Understand Overall Nutrition: Beyond points, look at the total calories and macronutrients to ensure your meals align with your broader health goals.

Key Factors That Affect Weight Watchers Recipe Results

Several factors can significantly influence the calculated SmartPoints and nutritional values of your recipes. Understanding these helps in making accurate calculations and informed food choices:

  1. Ingredient Choices & Quality:

    Financial Reasoning: While not directly monetary, the "cost" of ingredients in terms of points is heavily influenced by their nutritional profile. Lean proteins and vegetables typically have fewer points than fatty meats, full-fat dairy, or processed ingredients high in sugar and unhealthy fats. Choosing whole, unprocessed ingredients generally leads to lower point values.

  2. Portion Sizes (Quantity & Servings):

    Financial Reasoning: This is perhaps the most direct factor. Using more high-point ingredients (like oils, butter, cheese) or simply using a larger quantity of any ingredient increases the total points. Conversely, dividing a recipe into more servings lowers the points per serving, but the total points for the recipe remain the same. Accurate measurement is crucial.

  3. Fat Content (Total & Saturated):

    Financial Reasoning: Fat has the highest multiplier (0.25) in the SmartPoints formula. Ingredients high in fat (oils, butter, fatty meats, nuts, creamy sauces) will drastically increase the points. Opting for lean proteins, low-fat dairy, and healthier fats in moderation is key to managing points.

  4. Carbohydrate & Sugar Content:

    Financial Reasoning: Carbohydrates contribute to points (0.10 multiplier), with sugar often playing a significant role, especially in older WW plans. Refined carbs and added sugars in processed foods, sauces, and baked goods can increase points. Whole grains and complex carbs have a better nutritional profile but still contribute points.

  5. Protein Content:

    Financial Reasoning: Protein has a lower multiplier (0.15) and can actually help *reduce* the overall point value when balanced with other macros. Lean protein sources (chicken breast, fish, beans, tofu) are often considered "free" or low-point foods in some WW plans, but their contribution to the formula still counts. Maximizing lean protein can make a recipe more filling and contribute positively to the points calculation.

  6. Cooking Methods:

    Financial Reasoning: How you cook drastically changes nutritional values. Frying foods in oil adds significant fat and calories (points) compared to baking, grilling, steaming, or boiling. Using non-stick sprays or minimal oil instead of large amounts can significantly lower the points for a dish.

  7. Hidden Ingredients & Sauces:

    Financial Reasoning: Sauces, dressings, marinades, and even spices can contain significant amounts of sugar, fat, and sodium. Pre-made sauces, in particular, can be calorie and point-dense. Calculating these components accurately is vital; often, making sauces from scratch with controlled ingredients yields a lower point value.

  8. Zero-Point Foods:

    Financial Reasoning: Many fruits, vegetables, lean proteins (like chicken breast and fish in certain plans), and eggs are designated as "zero-point" foods. While they don't add points via the formula, their presence can make a recipe more satisfying and nutritious without increasing the point cost, effectively providing "value" or "coverage" for your points budget.

Frequently Asked Questions (FAQ)

What WW plan does this calculator use?

This calculator is primarily designed for the SmartPoints system (often referred to as SmartPoints 2023 or similar recent iterations). It uses the formula based on Fat, Carbohydrates, and Protein. It provides an optional field for Sugar, which was more critical in older WW plans like ProPoints.

Why is saturated fat not explicitly used?

Accurate saturated fat data for all ingredients is often difficult to find in standard nutritional databases. For practical home use, this calculator uses total fat with the standard multiplier. For a highly precise calculation requiring saturated fat, you would need to consult specialized databases and input that specific value.

Can I use this for old WW plans like PointsPlus?

The formula used here is for SmartPoints. PointsPlus had a different calculation (primarily focusing on Fat, Carbs, Fiber, and Protein with different weights). While you can input the same nutritional data, the resulting point values will differ. You would need a calculator specifically configured for the PointsPlus formula.

What if an ingredient's nutritional data is different from what I find?

Nutritional values can vary slightly based on the brand, specific variety, preparation, and the database used. Use the data that is most accurate for the specific product you are using. If unsure, using average values from reputable sources is a good starting point. This recipe calculator weight watchers relies on the data you input.

Does the calculator account for zero-point foods?

The SmartPoints formula inherently calculates points based on the macronutrient content provided. While some foods are designated "zero-point" by WW (like non-starchy vegetables and lean proteins in certain plans), the formula itself will calculate points if they contain fat, carbs, or protein above certain thresholds. This calculator provides the *formula-based* points. You would then apply your specific WW plan's rules regarding zero-point foods.

How accurate are the results?

The accuracy depends entirely on the accuracy of the nutritional data you input for each ingredient and the correct total servings. The calculator precisely applies the SmartPoints formula to your inputs. Errors in input data will lead to errors in the calculated points.

What if I use an ingredient like "mixed vegetables"?

For mixed ingredients, you have a few options: 1. Calculate the average nutritional values for the mix based on its components. 2. If the mix is mostly zero-point vegetables, you might estimate it as such, but be aware that any added fats or specific vegetables with higher carbs/fat will still contribute points. 3. Enter the most prominent nutritional contributors if the mix is complex.

Can I calculate points for recipes with alcohol?

Alcohol itself contributes points based on its alcohol by volume (ABV) and serving size, separate from the standard formula. This calculator does not directly account for the points in alcohol. You would need to calculate those separately according to WW guidelines and add them to the recipe's calculated points.

Related Tools and Internal Resources

© 2023 Your Website Name. All rights reserved. This calculator provides estimations based on user input and standard formulas. Consult official Weight Watchers resources for definitive guidance.
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Assume common densities. // For simplicity, let's use rough estimates. Better would be a lookup table. // Example: 1 cup flour ~120g, 1 cup water ~237g, 1 cup oil ~212g // We'll use a generic approximation for calculation purposes. A more robust calculator // might ask for ingredient type or use a more complex density lookup. // Let's assume roughly 200g per cup as a general middle ground for solids/liquids. return parseFloat(quantity) * 200; // Approximate g/ml for a cup } if (unit === 'tbsp') { // Approx 15ml per tbsp return parseFloat(quantity) * 15; } if (unit === 'tsp') { // Approx 5ml per tsp return parseFloat(quantity) * 5; } if (unit === 'piece') { // This is tricky. For 'piece', we usually use the 'per unit' nutrition. // The logic below will handle this by directly using the per-unit values. // We return quantity itself, as nutrition is per-piece. return parseFloat(quantity); } return 0; // Default case } function calculateRecipePoints() { var totalServings = parseFloat(document.getElementById("totalServings").value); var recipeName = document.getElementById("recipeName").value || "Your Recipe"; var resultsWrapper = document.getElementById("resultsWrapper"); var recipeResultNameEl = document.getElementById("recipeResultName"); var primaryResultEl = document.getElementById("primaryResult"); var totalCaloriesResultEl = document.getElementById("totalCaloriesResult"); var totalProteinResultEl = document.getElementById("totalProteinResult"); var totalCarbsResultEl = document.getElementById("totalCarbsResult"); var totalFatResultEl = document.getElementById("totalFatResult"); var perServingAssumptionEl = document.getElementById("perServingAssumption"); 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// Validate individual ingredient inputs if (!validateInput('quantity_' + index, 'quantityError_' + index, 0.01, null) || !validateInput('calories_' + index, 'caloriesError_' + index, 0, null) || !validateInput('protein_' + index, 'proteinError_' + index, 0, null) || !validateInput('carbs_' + index, 'carbsError_' + index, 0, null) || !validateInput('fat_' + index, 'fatError_' + index, 0, null) || (sugarInput && !validateInput('sugar_' + index, 'sugarError_' + index, 0, null, true))) // Allow empty for sugar { validInputs = false; } if (!validInputs) continue; // Stop processing if any validation fails for this ingredient var quantity = parseFloat(quantityInput.value); var unit = unitSelect.value; var caloriesPer100 = parseFloat(caloriesInput.value); var proteinPer100 = parseFloat(proteinInput.value); var carbsPer100 = parseFloat(carbsInput.value); var fatPer100 = parseFloat(fatInput.value); var sugarPer100 = sugarInput ? parseFloat(sugarInput.value) : 0; // Default to 0 if not present var ingredientName = ingredientNameInput.value || "Unnamed Ingredient"; var effectiveQuantity = quantity; // For 'piece' unit, quantity is already 'count', and nutrition is per piece. var multiplier = 1; // Default multiplier if (unit !== 'piece') { // Convert quantity to grams or ml for consistent calculation // This is a crucial step for accurate scaling effectiveQuantity = convertToGramsOrML(quantity, unit); multiplier = effectiveQuantity / 100; // Scale factor based on 100g/ml reference } else { // For 'piece', nutrition is per unit, so the multiplier is just the quantity itself. // However, the formula expects nutrition per 100g/ml/unit. // If nutrition is truly "per piece", we need to scale by quantity. multiplier = quantity; // Each piece contributes its per-unit nutrition value // If nutrition is given per 100 units and we have 'piece' unit type, this logic needs adjustment. // Assuming nutrition values provided are *per unit* when unit is 'piece'. } var ingredientCalories = caloriesPer100 * multiplier; var ingredientProtein = proteinPer100 * multiplier; var ingredientCarbs = carbsPer100 * multiplier; var ingredientFat = fatPer100 * multiplier; totalRecipeCalories += ingredientCalories; totalRecipeProtein += ingredientProtein; totalRecipeCarbs += ingredientCarbs; totalRecipeFat += ingredientFat; // Store data for table and chart ingredientsData.push({ name: ingredientName, quantity: quantity, unit: unit, calories: ingredientCalories, protein: ingredientProtein, carbs: ingredientCarbs, fat: ingredientFat }); } if (!validInputs) { resultsWrapper.style.display = "none"; return; } // Calculate SmartPoints (using simplified formula: Fat * 0.25 + Carbs * 0.10 + Protein * 0.15) // Note: Saturated fat multiplier (0.30) is omitted due to common data limitations. var pointsFromFat = totalRecipeFat * 0.25; var pointsFromCarbs = totalRecipeCarbs * 0.10; var pointsFromProtein = totalRecipeProtein * 0.15; totalRecipePoints = pointsFromFat + pointsFromCarbs + pointsFromProtein; // Round up to the nearest whole number var pointsPerServing = Math.ceil(totalRecipePoints / totalServings); // Update Results Display recipeResultNameEl.textContent = recipeName; primaryResultEl.textContent = pointsPerServing + " SmartPoints"; totalCaloriesResultEl.textContent = Math.round(totalRecipeCalories) + " kcal"; totalProteinResultEl.textContent = totalRecipeProtein.toFixed(1); totalCarbsResultEl.textContent = totalRecipeCarbs.toFixed(1); totalFatResultEl.textContent = totalRecipeFat.toFixed(1); perServingAssumptionEl.textContent = totalServings; resultsWrapper.style.display = "block"; // Update Table updateNutritionTable(ingredientsData, totalServings); // Update Chart updateNutritionChart(ingredientsData, totalServings); } function updateNutritionTable(data, servings) { var tableBody = document.querySelector("#nutritionTable tbody"); tableBody.innerHTML = ""; // Clear existing rows data.forEach(function(item) { var row = tableBody.insertRow(); var cellName = row.insertCell(0); cellName.textContent = item.name; var cellQuantity = row.insertCell(1); cellQuantity.textContent = item.quantity + " " + item.unit; var cellCalories = row.insertCell(2); cellCalories.textContent = Math.round(item.calories / servings); var cellProtein = row.insertCell(3); cellProtein.textContent = (item.protein / servings).toFixed(1); var cellCarbs = row.insertCell(4); cellCarbs.textContent = (item.carbs / servings).toFixed(1); var cellFat = row.insertCell(5); cellFat.textContent = (item.fat / servings).toFixed(1); }); } function updateNutritionChart(data, servings) { var ctx = document.getElementById('nutritionChart').getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } var labels = data.map(function(item) { return item.name; }); var caloriesPerServing = data.map(function(item) { return Math.round(item.calories / servings); }); var proteinPerServing = data.map(function(item) { return (item.protein / servings).toFixed(1); }); var carbsPerServing = data.map(function(item) { return (item.carbs / servings).toFixed(1); }); var fatPerServing = data.map(function(item) { return (item.fat / servings).toFixed(1); }); chartInstance = new Chart(ctx, { type: 'bar', data: { labels: labels, datasets: [ { label: 'Calories (kcal)', data: caloriesPerServing, backgroundColor: 'rgba(255, 99, 132, 0.6)', borderColor: 'rgba(255, 99, 132, 1)', borderWidth: 1 }, { label: 'Protein (g)', data: proteinPerServing, backgroundColor: 'rgba(54, 162, 235, 0.6)', borderColor: 'rgba(54, 162, 235, 1)', borderWidth: 1 }, { label: 'Carbs (g)', data: carbsPerServing, backgroundColor: 'rgba(255, 206, 86, 0.6)', borderColor: 'rgba(255, 206, 86, 1)', borderWidth: 1 }, { label: 'Fat (g)', data: fatPerServing, backgroundColor: 'rgba(75, 192, 192, 0.6)', borderColor: 'rgba(75, 192, 192, 1)', borderWidth: 1 } ] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, ticks: { // For integer display where appropriate callback: function(value, index, values) { if (index === 0 || Number.isInteger(value)) { // Show ticks for calories, integer for others if needed return value; } // For decimal values like protein/carbs/fat, maybe format differently or show all decimals // Example: return value.toFixed(1); return value; // Default rendering } } } }, plugins: { legend: { position: 'top', }, title: { display: true, text: 'Nutritional Breakdown Per Serving' } } } }); } function addIngredient() { var ingredientListDiv = document.getElementById("ingredientList"); var newIndex = ingredientCount; ingredientCount++; var newIngredientDiv = document.createElement("div"); newIngredientDiv.classList.add("ingredient-item"); newIngredientDiv.setAttribute("data-index", newIndex); newIngredientDiv.innerHTML = `
Name of the ingredient.
Amount of the ingredient.
grams (g) kilograms (kg) milliliters (ml) liters (l) ounces (oz) pounds (lb) cups (cup) tablespoons (tbsp) teaspoons (tsp) piece(s) Unit of measurement for the quantity.
Calories per 100g, 100ml, or per single unit if 'piece'.
Protein in grams.
Carbohydrates in grams.
Fat in grams.
Sugar in grams (for older WW plans, optional for SmartPoints). Leave at 0 if unsure.

`; ingredientListDiv.appendChild(newIngredientDiv); } function removeIngredient(index) { var ingredientItem = document.querySelector('.ingredient-item[data-index="' + index + '"]'); if (ingredientItem) { ingredientItem.remove(); // After removal, recalculate to update results calculateRecipePoints(); } } function resetCalculator() { document.getElementById("recipeName").value = "Healthy Chicken Stir-fry"; document.getElementById("totalServings").value = "4"; // Reset default ingredients (hardcoded for simplicity) document.querySelector('.ingredient-item[data-index="0″] input[id="ingredientName_0″]').value = "Chicken Breast (raw)"; document.querySelector('.ingredient-item[data-index="0″] input[id="quantity_0″]').value = "500"; document.querySelector('.ingredient-item[data-index="0″] select[id="unit_0″]').value = "g"; document.querySelector('.ingredient-item[data-index="0″] input[id="calories_0″]').value = "165"; document.querySelector('.ingredient-item[data-index="0″] input[id="protein_0″]').value = "31"; document.querySelector('.ingredient-item[data-index="0″] input[id="carbs_0″]').value = "0"; document.querySelector('.ingredient-item[data-index="0″] input[id="fat_0″]').value = "3.6"; document.querySelector('.ingredient-item[data-index="0″] input[id="sugar_0″]').value = "0"; document.querySelector('.ingredient-item[data-index="1″] input[id="ingredientName_1″]').value = "Broccoli florets"; document.querySelector('.ingredient-item[data-index="1″] input[id="quantity_1″]').value = "300"; document.querySelector('.ingredient-item[data-index="1″] select[id="unit_1″]').value = "g"; document.querySelector('.ingredient-item[data-index="1″] input[id="calories_1″]').value = "34"; document.querySelector('.ingredient-item[data-index="1″] input[id="protein_1″]').value = "2.8"; document.querySelector('.ingredient-item[data-index="1″] input[id="carbs_1″]').value = "6.3"; document.querySelector('.ingredient-item[data-index="1″] input[id="fat_1″]').value = "0.4"; document.querySelector('.ingredient-item[data-index="1″] input[id="sugar_1″]').value = "1.5"; document.querySelector('.ingredient-item[data-index="2″] input[id="ingredientName_2″]').value = "Soy Sauce (Low Sodium)"; document.querySelector('.ingredient-item[data-index="2″] input[id="quantity_2″]').value = "50"; document.querySelector('.ingredient-item[data-index="2″] select[id="unit_2″]').value = "ml"; document.querySelector('.ingredient-item[data-index="2″] input[id="calories_2″]').value = "49"; document.querySelector('.ingredient-item[data-index="2″] input[id="protein_2″]').value = "6.3"; document.querySelector('.ingredient-item[data-index="2″] input[id="carbs_2″]').value = "6.2"; document.querySelector('.ingredient-item[data-index="2″] input[id="fat_2″]').value = "0.1"; document.querySelector('.ingredient-item[data-index="2″] input[id="sugar_2″]').value = "3.6"; // Clear error messages var errorMessages = document.querySelectorAll('.error-message'); errorMessages.forEach(function(el) { el.textContent = ""; el.classList.remove('visible'); }); var inputs = document.querySelectorAll('input[type="number"], input[type="text"]'); inputs.forEach(function(input) { input.classList.remove('error'); }); // Recalculate with reset values calculateRecipePoints(); } function copyResults() { var recipeName = document.getElementById("recipeResultName").textContent; var primaryResult = document.getElementById("primaryResult").textContent; var totalCalories = document.getElementById("totalCaloriesResult").textContent; var totalProtein = document.getElementById("totalProteinResult").textContent; var totalCarbs = document.getElementById("totalCarbsResult").textContent; var totalFat = document.getElementById("totalFatResult").textContent; var wwPlan = document.getElementById("wwPlanAssumption").textContent; var servings = document.getElementById("perServingAssumption").textContent; var assumptions = `WW Plan: ${wwPlan}\nCalculated Per Serving: ${servings}`; var formula = "SmartPoints (2023) Formula: ((Fat * 0.25) + (Carbs * 0.10) + (Protein * 0.15)) rounded up."; var textToCopy = `Recipe: ${recipeName}\n\nResult:\n${primaryResult}\n\nTotal Nutrition (Whole Recipe):\n- Calories: ${totalCalories}\n- Protein: ${totalProtein} g\n- Carbs: ${totalCarbs} g\n- Fat: ${totalFat} g\n\nKey Assumptions:\n${assumptions}\n\nFormula Used:\n${formula}\n\n(Calculated using [Your Website Name] Recipe Calculator)`; // Use navigator.clipboard for modern browsers if (navigator.clipboard) { navigator.clipboard.writeText(textToCopy).then(function() { alert('Results copied to clipboard!'); }).catch(function(err) { console.error('Failed to copy: ', err); fallbackCopyTextToClipboard(textToCopy); // Fallback for older browsers }); } else { fallbackCopyTextToClipboard(textToCopy); // Fallback for older browsers } } function fallbackCopyTextToClipboard(text) { var textArea = document.createElement("textarea"); textArea.value = text; textArea.style.position = "fixed"; // Avoid scrolling to bottom textArea.style.left = "-9999px"; textArea.style.top = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'successful' : 'unsuccessful'; alert('Results copied to clipboard! (' + msg + ')'); } catch (err) { console.error('Fallback: Oops, unable to copy', err); alert('Failed to copy results. Please copy manually.'); } document.body.removeChild(textArea); } // Initial calculation on page load with default values document.addEventListener('DOMContentLoaded', function() { // Load Chart.js library dynamically if not already loaded if (typeof Chart === 'undefined') { var script = document.createElement('script'); script.src = 'https://cdn.jsdelivr.net/npm/chart.js@4.4.1/dist/chart.umd.min.js'; script.onload = function() { // Chart.js loaded, now perform initial calculation calculateRecipePoints(); }; script.onerror = function() { console.error("Failed to load Chart.js library."); alert("Error loading charting library. Charts may not display."); }; document.head.appendChild(script); } else { // Chart.js is already loaded, perform initial calculation calculateRecipePoints(); } // Add event listeners for real-time updates (optional, but good for UX) var inputs = document.querySelectorAll('.calculator-wrapper input, .calculator-wrapper select'); inputs.forEach(function(input) { input.addEventListener('input', calculateRecipePoints); }); });

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