Calculator Used for Weight Watchers

Weight Watchers Points Calculator :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –secondary-text-color: #555; –border-color: #ccc; –card-background: #ffffff; –shadow-color: rgba(0, 0, 0, 0.1); } 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: 960px; margin: 20px auto; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: 0 2px 10px var(–shadow-color); } header { text-align: center; margin-bottom: 30px; padding-bottom: 15px; border-bottom: 2px solid var(–primary-color); } h1 { color: var(–primary-color); font-size: 2.5em; margin-bottom: 0.5em; } h2, h3 { color: var(–primary-color); margin-top: 1.5em; margin-bottom: 0.8em; } .calculator-section { background-color: var(–card-background); padding: 25px; border-radius: 8px; box-shadow: 0 2px 10px var(–shadow-color); margin-bottom: 30px; } .input-group { margin-bottom: 20px; display: flex; flex-direction: column; } .input-group label { font-weight: bold; margin-bottom: 8px; color: var(–secondary-text-color); } .input-group input[type="number"], .input-group input[type="text"], .input-group select { padding: 10px; border: 1px solid var(–border-color); border-radius: 5px; font-size: 1em; width: calc(100% – 22px); /* Adjust for padding and border */ box-sizing: border-box; } .input-group .helper-text { font-size: 0.85em; color: var(–secondary-text-color); margin-top: 5px; } .input-group .error-message { color: red; font-size: 0.8em; margin-top: 5px; min-height: 1.2em; /* Reserve space */ } .button-group { display: flex; justify-content: space-between; margin-top: 25px; flex-wrap: wrap; gap: 10px; } button { padding: 12px 20px; border: none; border-radius: 5px; cursor: pointer; font-size: 1em; font-weight: bold; transition: background-color 0.3s ease, transform 0.2s ease; } button:hover { transform: translateY(-2px); } .primary-button { background-color: var(–primary-color); color: white; } .primary-button:hover { background-color: #003366; } .secondary-button { background-color: #6c757d; color: white; } .secondary-button:hover { background-color: #5a6268; } .results-section { margin-top: 30px; padding: 20px; border: 1px dashed var(–primary-color); border-radius: 8px; background-color: var(–background-color); } .results-section h3 { margin-top: 0; text-align: center; color: var(–primary-color); } .highlighted-result { font-size: 2.2em; font-weight: bold; color: var(–success-color); text-align: center; margin: 15px 0; padding: 15px; background-color: rgba(40, 167, 69, 0.1); border-radius: 5px; border: 1px solid rgba(40, 167, 69, 0.3); } .intermediate-values { display: flex; justify-content: space-around; flex-wrap: wrap; margin-top: 20px; gap: 15px; } .intermediate-value { text-align: center; padding: 10px; border-radius: 5px; background-color: var(–primary-color); color: white; min-width: 120px; } .intermediate-value .label { font-size: 0.9em; opacity: 0.9; } .intermediate-value .value { font-size: 1.3em; font-weight: bold; } .formula-explanation { margin-top: 20px; font-size: 0.9em; color: var(–secondary-text-color); text-align: center; } .chart-container { margin-top: 30px; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: 0 2px 10px var(–shadow-color); text-align: center; } canvas { max-width: 100%; height: auto; } .chart-caption { font-size: 0.9em; color: var(–secondary-text-color); margin-top: 10px; } table { width: 100%; border-collapse: collapse; margin-top: 20px; box-shadow: 0 2px 5px var(–shadow-color); } th, td { padding: 10px 12px; text-align: left; border: 1px solid var(–border-color); } thead { background-color: var(–primary-color); color: white; } tbody tr:nth-child(even) { background-color: #eef2f7; } tbody tr:hover { background-color: #d0d8e2; } .table-caption { font-size: 0.9em; color: var(–secondary-text-color); margin-top: 10px; text-align: center; } .article-content { margin-top: 40px; background-color: var(–card-background); padding: 30px; border-radius: 8px; box-shadow: 0 2px 10px var(–shadow-color); } .article-content h2 { text-align: center; border-bottom: 2px solid var(–primary-color); padding-bottom: 10px; } .article-content h3 { margin-top: 2em; color: #0056b3; } .article-content p { margin-bottom: 1.2em; } .article-content ul, .article-content ol { margin-bottom: 1.2em; padding-left: 25px; } .article-content li { margin-bottom: 0.5em; } .faq-list { margin-top: 20px; } .faq-item { margin-bottom: 15px; padding: 15px; border: 1px solid #e0e0e0; border-radius: 5px; background-color: #fdfdfd; } .faq-item .question { font-weight: bold; color: var(–primary-color); cursor: pointer; display: flex; justify-content: space-between; align-items: center; } .faq-item .question::after { content: '+'; font-size: 1.2em; } .faq-item.open .question::after { content: '-'; } .faq-item .answer { display: none; margin-top: 10px; font-size: 0.95em; color: var(–secondary-text-color); } .related-links ul { list-style: none; padding: 0; } .related-links li { margin-bottom: 10px; } .related-links a { color: var(–primary-color); text-decoration: none; font-weight: bold; } .related-links a:hover { text-decoration: underline; } .related-links span { display: block; font-size: 0.9em; color: var(–secondary-text-color); margin-top: 3px; } @media (max-width: 768px) { .container { margin: 10px; padding: 15px; } h1 { font-size: 2em; } .button-group { flex-direction: column; gap: 10px; } button { width: 100%; } .intermediate-values { flex-direction: column; align-items: center; } .intermediate-value { width: 90%; margin-bottom: 10px; } }

Weight Watchers Points Calculator

Easily calculate the WW Points for your food and drinks.

Calculate WW Points

Enter the total calories per serving.
Enter grams of saturated fat per serving.
Enter grams of sugar per serving.
Enter milligrams of sodium per serving.
Enter grams of protein per serving.
Describe the serving size (used for results clarity).

Your Food's WW Points

Calories Value
Fat Value
Sugar Value
Sodium Value
Protein Value

WW Points are calculated using a formula that considers Calories, Saturated Fat, Sugar, Sodium, and Protein. The specific formula has evolved with WW programs (e.g., SmartPoints, PersonalPoints). This calculator uses a common approximation.

Points Breakdown Over Time

Visualizing the points composition based on your inputs.

Nutritional Breakdown per Serving

Nutrient Amount WW Points Contribution
Calories
Saturated Fat
Sugar
Sodium
Protein
Total WW Points Based on serving:
Detailed breakdown of how each nutrient contributes to the total WW Points.

What is the Weight Watchers Points Calculator?

The Weight Watchers Points Calculator is an indispensable tool for anyone following the Weight Watchers (WW) program, whether it's the latest PersonalPoints or a previous plan like SmartPoints. This calculator simplifies the process of determining the "Points" value assigned to specific foods and beverages. By inputting key nutritional information – such as calories, saturated fat, sugar, sodium, and protein – users can quickly ascertain how much of their daily or weekly Points budget a particular food item will consume. This empowers individuals to make informed food choices, manage their intake effectively, and stay on track with their weight management goals. It's particularly useful for homemade meals or foods not readily labeled with WW Points.

Who Should Use the Weight Watchers Points Calculator?

This calculator is designed for:

  • Current WW Members: Individuals actively participating in any WW program will find it invaluable for tracking food.
  • Prospective Members: Those considering joining WW can use it to understand the system and see how common foods fit into it.
  • Health-Conscious Individuals: Anyone looking to gain a better understanding of food's nutritional impact and how different components (fat, sugar, etc.) are valued in a structured eating plan.
  • Home Cooks and Food Enthusiasts: People who prepare their own meals and want to accurately assign Points values to their creations.

Common Misconceptions about WW Points

  • Points are purely about weight loss: While WW is a weight management program, Points are designed to encourage healthier eating patterns by guiding users toward foods lower in saturated fat and sugar and higher in protein.
  • All foods have points: While most foods do, WW assigns zero points to many fruits and non-starchy vegetables, encouraging their consumption.
  • Points are fixed forever: WW periodically updates its plans and algorithms, meaning Points values can change. This calculator uses a widely accepted approximation based on recent program structures.
  • It's just about restriction: The Points system is built around abundance – encouraging high-volume, low-Points foods while helping users moderate higher-Points items.

Weight Watchers Points Formula and Mathematical Explanation

The calculation of WW Points has evolved over the years. The most recent iterations of the WW program, like PersonalPoints, involve a more personalized approach. However, the core principles for calculating a food's base Points value often rely on a formula that weighs less healthy components negatively and healthier components positively. A common approximation for calculating SmartPoints (or a similar base value) looks something like this:

Points = (Value_from_Saturated_Fat + Value_from_Sugar + Value_from_Sodium) – Value_from_Protein

Let's break down each component:

Variable Explanations and Table

The following variables are typically used in the points calculation:

Variable Meaning Unit Formula Component Typical Range / WW Weighting
Calories Energy provided by the food item. kcal Contributes to a positive points value. Higher calories generally mean more points. (Calories / 100) * 0.065
Saturated Fat The unhealthiest type of dietary fat. grams (g) Contributes significantly to a positive points value. Higher saturated fat means more points. (Saturated Fat / 10) * 0.15
Sugar Naturally occurring or added sugars. grams (g) Contributes to a positive points value, though weighting may vary. Higher sugar means more points. (Sugar / 10) * 0.1
Sodium Salt content. milligrams (mg) Contributes to a positive points value. Higher sodium means more points. (Sodium / 1000) * 0.02
Protein Essential macronutrient. grams (g) Acts as a negative value, reducing the total points. Higher protein means fewer points. (Protein / 100) * 0.5

Important Note: These weights (0.065, 0.15, 0.1, 0.02, 0.5) are approximations and based on how the SmartPoints system generally functions. The exact coefficients can change with WW program updates, and the PersonalPoints program further personalizes these values based on individual user data and preferences.

The formula implemented in the calculator aims to reflect this structure:

Calculated Points = max(0, floor( [ (Calories/100 * 0.065) + (Saturated Fat/10 * 0.15) + (Sugar/10 * 0.1) + (Sodium/1000 * 0.02) ] – (Protein/100 * 0.5) ))

The `max(0, …)` ensures points don't go below zero, and `floor(…)` often rounds points up to the nearest whole number as typically seen in the WW program.

Practical Examples (Real-World Use Cases)

Example 1: A Serving of Greek Yogurt

Let's analyze a common snack:

  • Food Item: 1 cup (approx. 245g) Plain Non-Fat Greek Yogurt
  • Nutritional Information (per serving):
    • Calories: 130 kcal
    • Saturated Fat: 0 g
    • Sugar: 6 g
    • Sodium: 85 mg
    • Protein: 23 g
  • Serving Size Input: 1 cup (245g)

Using the calculator inputs:

  • Calories: 130
  • Saturated Fat: 0
  • Sugar: 6
  • Sodium: 85
  • Protein: 23
  • Serving Size: 1 cup (245g)

Calculator Output:

Main Result: 2 WW Points

Intermediate Values: Calories Value: ~1, Fat Value: 0, Sugar Value: ~1, Sodium Value: ~0, Protein Value: ~2

Interpretation: Greek yogurt, especially non-fat varieties, is often a low-Points food due to its high protein content, which acts as a counter-balance. This makes it a great option for filling up without consuming a large portion of one's daily Points budget.

Example 2: A Slice of Whole Wheat Bread

Now, let's look at a staple food:

  • Food Item: 1 slice (approx. 35g) Whole Wheat Bread
  • Nutritional Information (per slice):
    • Calories: 80 kcal
    • Saturated Fat: 0.5 g
    • Sugar: 2 g
    • Sodium: 150 mg
    • Protein: 4 g
  • Serving Size Input: 1 slice (35g)

Using the calculator inputs:

  • Calories: 80
  • Saturated Fat: 0.5
  • Sugar: 2
  • Sodium: 150
  • Protein: 4
  • Serving Size: 1 slice (35g)

Calculator Output:

Main Result: 3 WW Points

Intermediate Values: Calories Value: ~1, Fat Value: ~1, Sugar Value: ~0, Sodium Value: ~0, Protein Value: ~1

Interpretation: A slice of whole wheat bread typically has a moderate Points value. It's a good source of fiber and complex carbohydrates but contains less protein and more carbohydrates than Greek yogurt, leading to a slightly higher Points cost. It's manageable within a daily budget.

How to Use This Weight Watchers Points Calculator

Using the calculator is straightforward:

  1. Gather Nutritional Information: Find the calories, saturated fat (in grams), sugar (in grams), sodium (in milligrams), and protein (in grams) for the specific serving size of the food or drink you want to calculate. This information is usually found on the product's nutrition label or can be found through online databases for whole foods.
  2. Enter Data: Input the values into the corresponding fields: "Calories (kcal)", "Saturated Fat (g)", "Sugar (g)", "Sodium (mg)", and "Protein (g)".
  3. Specify Serving Size: Enter a description for the serving size (e.g., "1 apple", "100g chicken breast", "1 glass"). This is for context in the results and table.
  4. Calculate: Click the "Calculate Points" button.
  5. View Results: The calculator will display the estimated WW Points value prominently. It will also show the points contribution from each nutrient category (calories, fat, sugar, sodium, protein) as intermediate values.
  6. Interpret: Use the calculated Points value to track your food intake against your daily or weekly WW budget. The breakdown helps you understand which components drive the Points value higher.
  7. Reset or Copy: Use the "Reset" button to clear the fields and start over. Use "Copy Results" to copy the main result and key details for external tracking.

How to Read Results

The main result is the estimated WW Points for the serving you entered. The intermediate values show the approximate points generated by each nutrient category before the protein adjustment. For example, a high "Fat Value" means saturated fat is significantly contributing to the total points.

Decision-Making Guidance

Use the results to compare different food options. If you have a choice between two snacks with similar calorie counts, the one with less saturated fat and sugar, and more protein, will likely have fewer WW Points. This encourages you to choose more nutrient-dense, satisfying options.

Key Factors That Affect Weight Watchers Points Results

Several factors influence the calculated WW Points value and your overall success with the program:

  1. Saturated Fat Content: This is a major driver of points. Foods high in saturated fat will have significantly higher points values, discouraging their frequent consumption.
  2. Sugar Content: Added sugars contribute positively to points. The calculator reflects this, guiding users towards options with less added sugar.
  3. Calorie Density: While not the sole factor, calorie-dense foods generally have higher points. This encourages choosing foods that provide volume and satiety for fewer points.
  4. Protein Content: Protein is a "free" nutrient in the points calculation, actively reducing the total points. This emphasizes the importance of protein for satiety and metabolic health within the WW framework.
  5. Sodium Content: High sodium levels also increase points. This aligns with general health recommendations to moderate sodium intake.
  6. Program Updates & Personalization: WW frequently updates its plans. The SmartPoints system evolved from earlier versions, and the current PersonalPoints system further tailors values based on individual metabolism and preferences, making direct comparison to older plans sometimes difficult. This calculator provides a generalized approximation.
  7. Serving Size Accuracy: Precisely knowing the serving size and its corresponding nutritional information is crucial for accurate points calculation. Overestimating or underestimating can lead to incorrect tracking.
  8. ZeroPoint Foods: This calculator doesn't explicitly list ZeroPoint foods (like most fruits and non-starchy vegetables), but it allows you to calculate their points, which should be zero or very low based on their natural nutritional profile.

Frequently Asked Questions (FAQ)

What is the main goal of WW Points?
The main goal of WW Points is to guide members towards healthier eating patterns by assigning higher values to foods high in saturated fat and sugar, and lower values to foods rich in protein and fiber, while encouraging moderation of less healthy choices.
Are WW Points the same as calories?
No, WW Points are not the same as calories. While calories are a component, Points also heavily factor in saturated fat, sugar, sodium, and protein to promote overall healthier food choices, not just calorie restriction.
Can I calculate points for drinks?
Yes, absolutely. You can use the calculator for any food or beverage by inputting its nutritional information (calories, fat, sugar, sodium, protein) per serving.
What if a food has zero saturated fat and sugar?
If a food has zero saturated fat and sugar, those components will contribute zero points. The total points will then be primarily influenced by calories and protein, often resulting in a very low or zero points value (typical for many fruits and vegetables).
How accurate is this calculator?
This calculator uses a widely accepted approximation of the WW SmartPoints formula. WW may update its formulas periodically, and the PersonalPoints program is highly individualized. For official WW Points, always refer to the WW app or website.
What does the "Protein Value" mean in the intermediate results?
The "Protein Value" shows how many points are subtracted from the total due to the food's protein content. Higher protein leads to a greater point reduction.
Can I track my daily points with this calculator?
This calculator determines points for individual food items. To track your daily total, you would need to calculate points for each food you eat and sum them up, or use the official WW app which automates this tracking.
Does WW still use SmartPoints?
WW has evolved its program over time. While SmartPoints was a widely used system, the current program is called PersonalPoints, which incorporates more personalization. This calculator provides a general point estimation applicable to many WW-related calculations.

Disclaimer: This calculator provides an estimated WW Points value based on common formulas. For official Points values, please consult the Weight Watchers program materials and app.

var chartInstance = null; // Global variable to hold the chart instance function getElement(id) { return document.getElementById(id); } function validateInput(value, id, errorId, min = 0, max = Infinity) { var errorElement = getElement(errorId); errorElement.textContent = "; if (isNaN(value) || value === ") { errorElement.textContent = 'Please enter a valid number.'; return false; } if (value max) { errorElement.textContent = 'Value is too high.'; return false; } return true; } function calculatePoints() { var calories = parseFloat(getElement('calories').value); var saturatedFat = parseFloat(getElement('saturatedFat').value); var sugar = parseFloat(getElement('sugar').value); var sodium = parseFloat(getElement('sodium').value); var protein = parseFloat(getElement('protein').value); var servingSize = getElement('servingSize').value; var caloriesError = getElement('caloriesError'); var saturatedFatError = getElement('saturatedFatError'); var sugarError = getElement('sugarError'); var sodiumError = getElement('sodiumError'); var proteinError = getElement('proteinError'); var servingSizeError = getElement('servingSizeError'); var isValid = true; if (!validateInput(calories, 'calories', 'caloriesError', 0, 10000)) isValid = false; if (!validateInput(saturatedFat, 'saturatedFat', 'saturatedFatError', 0, 1000)) isValid = false; if (!validateInput(sugar, 'sugar', 'sugarError', 0, 1000)) isValid = false; if (!validateInput(sodium, 'sodium', 'sodiumError', 0, 100000)) isValid = false; if (!validateInput(protein, 'protein', 'proteinError', 0, 1000)) isValid = false; if (servingSize === ") { servingSizeError.textContent = 'Serving size cannot be empty.'; isValid = false; } else { servingSizeError.textContent = "; } if (!isValid) { return; } // WW SmartPoints Approximation Formula Weights var calWeight = 0.065; var satFatWeight = 0.15; var sugarWeight = 0.1; var sodiumWeight = 0.02; var proteinWeight = 0.5; var caloriesPoints = (calories / 100) * calWeight; var fatPoints = (saturatedFat / 10) * satFatWeight; var sugarPoints = (sugar / 10) * sugarWeight; var sodiumPoints = (sodium / 1000) * sodiumWeight; var proteinPoints = (protein / 100) * proteinWeight; var totalPointsRaw = caloriesPoints + fatPoints + sugarPoints + sodiumPoints – proteinPoints; var finalPoints = Math.max(0, Math.floor(totalPointsRaw)); // Update intermediate values display getElement('caloriesValue').textContent = caloriesPoints.toFixed(1); getElement('fatValue').textContent = fatPoints.toFixed(1); getElement('sugarValue').textContent = sugarPoints.toFixed(1); getElement('sodiumValue').textContent = sodiumPoints.toFixed(1); getElement('proteinValue').textContent = proteinPoints.toFixed(1); // Update main result getElement('pointsResult').textContent = finalPoints; // Update table getElement('tableCalories').textContent = calories.toFixed(1); getElement('tableSaturatedFat').textContent = saturatedFat.toFixed(1); getElement('tableSugar').textContent = sugar.toFixed(1); getElement('tableSodium').textContent = sodium.toFixed(1); getElement('tableProtein').textContent = protein.toFixed(1); getElement('tableServingSize').textContent = servingSize; getElement('tableCaloriesPoints').textContent = caloriesPoints.toFixed(1); getElement('tableFatPoints').textContent = fatPoints.toFixed(1); getElement('tableSugarPoints').textContent = sugarPoints.toFixed(1); getElement('tableSodiumPoints').textContent = sodiumPoints.toFixed(1); getElement('tableProteinPoints').textContent = proteinPoints.toFixed(1); getElement('tableTotalPoints').textContent = finalPoints; updateChart(caloriesPoints, fatPoints, sugarPoints, sodiumPoints, proteinPoints); } function resetCalculator() { getElement('calories').value = 100; getElement('saturatedFat').value = 5; getElement('sugar').value = 10; getElement('sodium').value = 200; getElement('protein').value = 8; getElement('servingSize').value = '100g'; // Clear errors getElement('caloriesError').textContent = "; getElement('saturatedFatError').textContent = "; getElement('sugarError').textContent = "; getElement('sodiumError').textContent = "; getElement('proteinError').textContent = "; getElement('servingSizeError').textContent = "; // Reset results getElement('pointsResult').textContent = '–'; getElement('caloriesValue').textContent = '–'; getElement('fatValue').textContent = '–'; getElement('sugarValue').textContent = '–'; getElement('sodiumValue').textContent = '–'; getElement('proteinValue').textContent = '–'; // Reset table getElement('tableCalories').textContent = '–'; getElement('tableSaturatedFat').textContent = '–'; getElement('tableSugar').textContent = '–'; getElement('tableSodium').textContent = '–'; getElement('tableProtein').textContent = '–'; getElement('tableServingSize').textContent = '–'; getElement('tableCaloriesPoints').textContent = '–'; getElement('tableFatPoints').textContent = '–'; getElement('tableSugarPoints').textContent = '–'; getElement('tableSodiumPoints').textContent = '–'; getElement('tableProteinPoints').textContent = '–'; getElement('tableTotalPoints').textContent = '–'; // Clear chart if (chartInstance) { chartInstance.destroy(); chartInstance = null; } var canvas = getElement('pointsChart'); var ctx = canvas.getContext('2d'); ctx.clearRect(0, 0, canvas.width, canvas.height); } function copyResults() { var points = getElement('pointsResult').textContent; var servingSize = getElement('tableServingSize').textContent; var caloriesVal = getElement('caloriesValue').textContent; var fatVal = getElement('fatValue').textContent; var sugarVal = getElement('sugarValue').textContent; var sodiumVal = getElement('sodiumValue').textContent; var proteinVal = getElement('proteinValue').textContent; var totalPointsTable = getElement('tableTotalPoints').textContent; if (points === '–') { alert("No results to copy yet. Please calculate first."); return; } var textToCopy = "WW Points Calculation Results:\n\n"; textToCopy += "Serving Size: " + servingSize + "\n"; textToCopy += "—————————-\n"; textToCopy += "Total WW Points: " + points + (totalPointsTable !== '–' ? " (" + totalPointsTable + ")" : "") + "\n"; textToCopy += "—————————-\n\n"; textToCopy += "Points Breakdown:\n"; textToCopy += " – From Calories: " + caloriesVal + "\n"; textToCopy += " – From Saturated Fat: " + fatVal + "\n"; textToCopy += " – From Sugar: " + sugarVal + "\n"; textToCopy += " – From Sodium: " + sodiumVal + "\n"; textToCopy += " – Adjustment for Protein: " + proteinVal + "\n\n"; textToCopy += "Key Assumptions:\n"; textToCopy += " – Formula used is an approximation of WW SmartPoints.\n"; textToCopy += " – WW may update formulas and individual points may vary.\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.'); }); } function updateChart(caloriesPts, fatPts, sugarPts, sodiumPts, proteinPts) { var ctx = getElement('pointsChart').getContext('2d'); // Destroy previous chart instance if it exists if (chartInstance) { chartInstance.destroy(); } // Create new chart instance chartInstance = new Chart(ctx, { type: 'bar', // Changed to bar for better comparison data: { labels: ['Calories', 'Saturated Fat', 'Sugar', 'Sodium', 'Protein'], datasets: [{ label: 'Points Contribution', data: [caloriesPts, fatPts, sugarPts, sodiumPts, -proteinPts], // Protein is negative backgroundColor: [ 'rgba(255, 99, 132, 0.6)', // Calories 'rgba(54, 162, 235, 0.6)', // Saturated Fat 'rgba(255, 206, 86, 0.6)', // Sugar 'rgba(75, 192, 192, 0.6)', // Sodium 'rgba(153, 102, 255, 0.6)' // Protein ], borderColor: [ 'rgba(255, 99, 132, 1)', 'rgba(54, 162, 235, 1)', 'rgba(255, 206, 86, 1)', 'rgba(75, 192, 192, 1)', 'rgba(153, 102, 255, 1)' ], borderWidth: 1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: false, // Allow negative values for protein title: { display: true, text: 'Points Value' }, ticks: { callback: function(value, index, values) { // Ensure protein is displayed correctly if negative return value.toFixed(1); } } }, x: { title: { display: true, text: 'Nutrient Component' } } }, plugins: { legend: { display: false // Hide legend as labels are on bars }, tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || "; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y.toFixed(1); } return label; } } } } } }); } // Initialize calculator on load with default values document.addEventListener('DOMContentLoaded', function() { calculatePoints(); // Calculate initial values based on defaults }); // FAQ Toggle Function function toggleFaq(element) { var faqItem = element.parentElement; faqItem.classList.toggle('open'); } // Add a dummy Chart.js script tag if it's not present. // In a real WordPress environment, you'd enqueue this properly. // For a standalone HTML file, it needs to be included. // This is a placeholder to make the script runnable in isolation. if (typeof Chart === 'undefined') { var script = document.createElement('script'); script.src = 'https://cdn.jsdelivr.net/npm/chart.js'; script.onload = function() { console.log('Chart.js loaded.'); // Re-run calculations after chart library loads if needed if (getElement('pointsResult').textContent !== '–') { calculatePoints(); // Recalculate to draw chart if data exists } }; document.head.appendChild(script); } else { console.log('Chart.js already loaded.'); // If chart library is already loaded, ensure chart is drawn on initial load if (getElement('pointsResult').textContent !== '–') { calculatePoints(); } }

Leave a Comment