Calculating Weight Watcher Daily Points

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Weight Watchers Daily Points Calculator

Calculate Your Daily Points

Sedentary (Little to no exercise) Lightly Active (Light exercise/sports 1-3 days/week) Moderately Active (Moderate exercise/sports 3-5 days/week) Very Active (Hard exercise/sports 6-7 days a week) Extra Active (Very hard exercise/sports & physical job or training twice a day) Select your typical weekly activity level.
Enter your current weight in kilograms.
Enter your height in centimeters.
Enter your age in years.
Female Male Select your gender.

Your Daily Points Summary

Base Points:
Activity Points:
Points Adjustment:
Points are calculated based on a complex algorithm considering basal metabolic rate, activity, and a points adjustment factor. This calculator provides an estimation for WW members.
Daily Points Distribution Over Different Activity Levels
Weight Watchers Points Breakdown by Activity Level (Sample)
Activity Level Estimated Daily Points Range Factors Considered
Sedentary 23 – 30 Base points, slight adjustment for low activity
Lightly Active 28 – 35 Base points, moderate activity bonus
Moderately Active 33 – 40 Base points, significant activity bonus
Very Active 38 – 45 Base points, high activity bonus
Extra Active 43+ Base points, substantial activity bonus

What is Weight Watchers Daily Points?

Weight Watchers, now known as WW, utilizes a points system designed to guide members toward healthier eating habits. The core of this system is the **Weight Watchers daily points** allowance, a personalized target number of points individuals can consume each day. This system aims to make healthier choices easier by assigning points based on nutritional values like calories, saturated fat, sugar, and protein. The goal is not just about restricting intake, but about shifting focus towards nutrient-dense foods that are more filling and beneficial.

Who should use it: Anyone following a WW program, including those on the "Points" plan or variations thereof, benefits from understanding their daily points. It's particularly useful for new members trying to grasp the system, or long-term members looking for a refresher or a tool to estimate their allowance. It can also be helpful for individuals curious about how their dietary choices translate into the WW framework.

Common misconceptions: A common misconception is that Weight Watchers daily points are purely about calorie restriction. While calories are a factor, the system also heavily weights other nutritional components. Another myth is that all "free foods" (foods with 0 points) can be eaten limitlessly without impact; while they are encouraged, mindful eating is still key. Furthermore, some believe the points system is static, when in reality, it's designed to be dynamic and adjust based on individual progress and program changes. Understanding your **Weight Watchers daily points** is about more than just a number; it's about a personalized nutritional roadmap.

Weight Watchers Daily Points Formula and Mathematical Explanation

The exact, proprietary formula for calculating Weight Watchers daily points is not publicly disclosed by WW. However, based on expert analysis, user experiences, and program principles, a widely accepted estimation formula incorporates several key physiological and lifestyle factors. The core idea is to provide enough points for basic metabolic needs, plus an allowance for activity, adjusted for individual characteristics.

A simplified, commonly used model for estimating daily points involves these components:

  • Base Points: These points cover your basal metabolic rate (BMR) and general daily functions. They are influenced by your weight, height, age, and gender.
  • Activity Points: Additional points are awarded based on the intensity and duration of your physical activity.
  • Points Adjustment: This can be a factor that WW uses to further fine-tune the daily allowance, potentially considering individual metabolism, health goals, or program phase.

Step-by-Step Derivation (Estimated)

  1. Calculate Basal Metabolic Rate (BMR): Using a standard formula like the Mifflin-St Jeor equation, estimate the calories burned at rest.
    • For Men: BMR = (10 x weight in kg) + (6.25 x height in cm) – (5 x age in years) + 5
    • For Women: BMR = (10 x weight in kg) + (6.25 x height in cm) – (5 x age in years) – 161
  2. Calculate Total Daily Energy Expenditure (TDEE): Multiply BMR by an activity factor corresponding to the user's chosen activity level.
    • Sedentary: BMR x 1.2
    • Lightly Active: BMR x 1.375
    • Moderately Active: BMR x 1.55
    • Very Active: BMR x 1.725
    • Extra Active: BMR x 1.9
  3. Convert TDEE to Points: WW points are not directly equivalent to calories. A common conversion factor suggests that approximately 50-70 calories equate to 1 point. To estimate daily points from TDEE, divide TDEE by a calorific value per point (e.g., 60 calories/point).

    Estimated Daily Points = TDEE / 60 (approx.)

  4. Apply Potential WW Adjustments: WW might apply internal adjustments not captured by basic formulas to create the final daily points. This calculator uses the calculated TDEE / 60 as the primary estimation of daily points.

Variables Explanation and Table

The calculation relies on several key variables:

Weight Watchers Points Calculator Variables
Variable Meaning Unit Typical Range
Weight Individual's current body mass. Kilograms (kg) 30 kg – 200+ kg
Height Individual's stature. Centimeters (cm) 120 cm – 210 cm
Age Number of years lived. Years 16 – 90+ years
Gender Biological sex, influencing metabolic rate. Categorical (Male/Female) N/A
Activity Level Quantification of daily/weekly physical exertion. Categorical (Sedentary to Extra Active) N/A
BMR Basal Metabolic Rate: Calories burned at rest. Calories per day 1200 – 2500+ kcal/day
TDEE Total Daily Energy Expenditure: Calories burned including activity. Calories per day 1500 – 4000+ kcal/day
Daily Points Estimated daily WW points allowance. Points 23 – 50+ points

Practical Examples (Real-World Use Cases)

Understanding how **Weight Watchers daily points** are calculated can be clarified with practical examples:

Example 1: Sarah, a Moderately Active Young Woman

  • Inputs:
  • Gender: Female
  • Age: 30 years
  • Weight: 70 kg
  • Height: 165 cm
  • Activity Level: Moderately Active

Calculation Steps:

  1. BMR for Sarah: (10 * 70) + (6.25 * 165) – (5 * 30) – 161 = 700 + 1031.25 – 150 – 161 = 1420.25 kcal/day
  2. TDEE for Moderately Active: 1420.25 * 1.55 = 2201.39 kcal/day
  3. Estimated Daily Points: 2201.39 / 60 ≈ 36.7 points

Result Interpretation: Sarah's estimated daily points allowance is approximately 37 points. This reflects her moderate activity level, providing enough points for daily needs while encouraging healthy food choices. This aligns with typical WW recommendations for moderately active individuals.

Example 2: Mark, a Very Active Older Man

  • Inputs:
  • Gender: Male
  • Age: 55 years
  • Weight: 95 kg
  • Height: 180 cm
  • Activity Level: Very Active

Calculation Steps:

  1. BMR for Mark: (10 * 95) + (6.25 * 180) – (5 * 55) + 5 = 950 + 1125 – 275 + 5 = 1805 kcal/day
  2. TDEE for Very Active: 1805 * 1.725 = 3114.13 kcal/day
  3. Estimated Daily Points: 3114.13 / 60 ≈ 51.9 points

Result Interpretation: Mark's estimated daily points allowance is approximately 52 points. His higher weight and very active lifestyle necessitate a larger points budget to fuel his body effectively. This higher allowance allows him to maintain his energy levels while adhering to the WW principles. Understanding his **Weight Watchers daily points** helps him plan meals accordingly.

How to Use This Weight Watchers Daily Points Calculator

This calculator is designed to provide a quick and easy estimation of your potential daily points allowance on the WW program. Follow these simple steps to get your personalized result:

  1. Select Activity Level: Choose the option that best describes your typical weekly exercise routine, from Sedentary to Extra Active. Be honest for the most accurate estimate.
  2. Enter Personal Details: Input your current weight in kilograms (kg), your height in centimeters (cm), your age in years, and select your gender. Ensure these values are accurate.
  3. Calculate: Click the "Calculate Points" button. The calculator will process your inputs using the estimated formula.
  4. View Results: Your estimated daily points, along with intermediate values like Base Points and Activity Points, will be displayed prominently. The chart and table provide further context.
  5. Understand the Output: The primary result is your estimated daily points target. The intermediate values show how different factors contribute. Remember, this is an estimation, and your official WW points may vary slightly based on their proprietary algorithm and program updates.
  6. Utilize Additional Features: Use the "Reset" button to clear the form and start over. The "Copy Results" button allows you to easily save or share your calculated summary.

Decision-Making Guidance: Use your estimated daily points as a guide for planning your meals and snacks. If your calculated points seem significantly higher or lower than expected, review your inputs, especially the activity level. This tool can help you set realistic expectations and understand the foundational principles behind your **Weight Watchers daily points** allowance. For official guidance, always refer to your WW app or coach.

Key Factors That Affect Weight Watchers Daily Points Results

While the calculator provides a solid estimate, several real-world factors can influence your actual Weight Watchers daily points allowance and your success on the program:

  • Metabolic Rate Variations: Even within the same age, gender, and weight, individual metabolic rates can differ due to genetics, muscle mass, and hormonal factors. This can lead to slight variations in actual calorie needs, which WW's algorithm might account for in ways not fully captured by simple formulas.
  • Consistency of Activity: The 'Activity Level' input is an average. Fluctuations in daily activity – a very active day followed by a sedentary one – mean your actual energy expenditure varies. The WW system often awards points directly for tracked activity, smoothing out these daily variations.
  • Body Composition: Muscle burns more calories at rest than fat. Someone with a higher percentage of muscle mass might have a higher BMR and TDEE than someone of the same weight but with less muscle, potentially influencing their points needs.
  • Health Conditions and Medications: Certain medical conditions (like thyroid issues) and medications can affect metabolism and appetite, which WW might consider through personalized coaching or specific program adjustments.
  • Program Evolution: PointsPlus, SmartPoints, PersonalPoints: WW has evolved its points system over the years. Each iteration emphasizes different nutritional aspects (e.g., sugar, protein). Your specific plan may have nuances not fully reflected in a generalized calculator. The calculator generally reflects a modern approach.
  • Weekly Flex Points: Beyond daily points, WW programs often include "Weekly Flex Points" or similar allowances. These provide flexibility for special occasions or higher-point foods and are a crucial part of the overall WW strategy, adding another layer to daily management.
  • Nutritional Density vs. Caloric Density: WW's points system prioritizes nutrient density. Foods high in protein and fiber tend to have fewer points per serving than highly processed foods with similar calories, encouraging satiating choices. This strategic weighting is key to the program's effectiveness.

Frequently Asked Questions (FAQ)

  • What are Weight Watchers daily points? They are the personalized number of points you are allotted each day to spend on food and drinks as part of the WW program, designed to guide you towards healthier eating habits.
  • Is this calculator's result the official WW points? This calculator provides an *estimated* daily points allowance based on common formulas. Your official points are determined by WW's proprietary algorithm and may differ slightly. Always refer to your WW app or coach for your official number.
  • Why do men and women have different base points? On average, men tend to have higher muscle mass and different metabolic rates than women, which influences their basal metabolic rate (BMR) and thus their initial points calculation.
  • How does activity level significantly change my points? Higher activity levels mean your body burns more calories. The WW system rewards this increased expenditure with additional points, allowing you to maintain your energy levels while losing weight.
  • What if my weight changes? Will my points change? Yes, your Weight Watchers daily points can change as your weight changes. As you lose weight, your BMR and TDEE may decrease, potentially leading to a lower points allowance to continue supporting weight loss.
  • Can I eat 0-point foods freely? While 0-point foods (like fruits, vegetables, lean proteins) are encouraged for fullness and nutrition, WW still recommends mindful eating. Consuming excessive amounts without considering fullness cues isn't ideal for long-term habits.
  • What are "Weekly Points"? In addition to daily points, many WW plans offer a weekly budget of points. These are useful for flexibility, social events, or higher-point foods you might want to incorporate occasionally.
  • Is the formula used here the latest WW algorithm? WW frequently updates its points system and algorithms. This calculator uses a widely accepted estimation based on common physiological factors and past program structures. It serves as a good approximation but may not reflect the absolute latest internal adjustments made by WW.

Related Tools and Internal Resources

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Please double-check."; errorElement.classList.add("visible"); input.style.borderColor = "#ffc107"; // Warning color // Don't set isValid to false here, just warn } if (inputs[i].id === "heightCm" && value < 120) { errorElement.innerHTML = "Height seems unusually low. Please double-check."; errorElement.classList.add("visible"); input.style.borderColor = "#ffc107"; // Warning color } if (inputs[i].id === "age" && value < 10) { errorElement.innerHTML = "Age seems unusually low. Please double-check."; errorElement.classList.add("visible"); input.style.borderColor = "#ffc107"; // Warning color } } } // Reset border colors for inputs that were previously invalid but are now correct var allInputIds = ["activityLevel", "weightKg", "heightCm", "age", "gender"]; for (var j = 0; j < allInputIds.length; j++) { var currentInput = document.getElementById(allInputIds[j]); var currentErrorElement = document.getElementById(allInputIds[j] + "Error"); if (currentInput && currentErrorElement && !currentErrorElement.classList.contains("visible")) { currentInput.style.borderColor = "#ccc"; } } return isValid; } // Function to calculate Base Points function calculateBasePoints(weightKg, heightCm, age, gender) { var bmr; if (gender === "male") { bmr = (10 * weightKg) + (6.25 * heightCm) – (5 * age) + 5; } else { // female bmr = (10 * weightKg) + (6.25 * heightCm) – (5 * age) – 161; } // Approximate points per calorie (varies, using 60 as an estimate) var pointsPerCalorie = 60; return Math.round(bmr / pointsPerCalorie); } // Function to calculate Activity Points function calculateActivityPoints(basePoints, activityLevel) { var activityMultiplier; switch (activityLevel) { case "sedentary": activityMultiplier = 1.2; break; case "lightly_active": activityMultiplier = 1.375; break; case "moderately_active": activityMultiplier = 1.55; break; case "very_active": activityMultiplier = 1.725; break; case "extra_active": activityMultiplier = 1.9; break; default: activityMultiplier = 1.2; // Default to sedentary } // Calculate TDEE and then convert to points var pointsPerCalorie = 60; // Same estimation as base points var estimatedTDEE = calculateBasePoints( parseFloat(document.getElementById("weightKg").value), parseFloat(document.getElementById("heightCm").value), parseFloat(document.getElementById("age").value), document.getElementById("gender").value ) * pointsPerCalorie * activityMultiplier; // A rough conversion to get points from TDEE. This is an estimation. // The actual WW system might award points differently for activity. // We'll use the difference between estimated TDEE and base calorie needs as a proxy for activity contribution. var baseBMR = calculateBasePoints( parseFloat(document.getElementById("weightKg").value), parseFloat(document.getElementById("heightCm").value), parseFloat(document.getElementById("age").value), document.getElementById("gender").value ) * pointsPerCalorie; // Base calorie needs at rest var activityContributionInPoints = Math.round((estimatedTDEE – baseBMR) / pointsPerCalorie); // Ensure activity points don't result in a negative total or are unreasonably low return Math.max(0, activityContributionInPoints); } // Function to calculate final daily points function calculatePoints() { if (!validateInputs()) { return; } var weightKg = parseFloat(document.getElementById("weightKg").value); var heightCm = parseFloat(document.getElementById("heightCm").value); var age = parseFloat(document.getElementById("age").value); var gender = document.getElementById("gender").value; var activityLevel = document.getElementById("activityLevel").value; var basePoints = calculateBasePoints(weightKg, heightCm, age, gender); var activityPoints = calculateActivityPoints(basePoints, activityLevel); // Simplified adjustment: For demonstration, let's assume a small adjustment // based on activity level to align more closely with typical WW ranges. // In reality, WW's algorithm is complex and proprietary. var adjustment = 0; switch (activityLevel) { case "sedentary": adjustment = -2; break; // Slightly lower for very sedentary case "lightly_active": adjustment = 0; break; case "moderately_active": adjustment = 3; break; case "very_active": adjustment = 5; break; case "extra_active": adjustment = 7; break; } // Ensure total points are reasonable (e.g., not less than a minimum) var totalPoints = Math.round(basePoints + activityPoints + adjustment); totalPoints = Math.max(23, totalPoints); // Minimum points is typically 23 var resultsContainer = document.getElementById("resultsContainer"); var primaryResult = document.getElementById("primaryResult"); var basePointsResult = document.getElementById("basePointsResult"); var activityPointsResult = document.getElementById("activityPointsResult"); var adjustmentResult = document.getElementById("adjustmentResult"); primaryResult.innerHTML = "Your Estimated Daily Points: " + totalPoints; basePointsResult.innerHTML = basePoints; activityPointsResult.innerHTML = activityPoints; adjustmentResult.innerHTML = adjustment; // Showing the simplified adjustment resultsContainer.style.display = "block"; updateChart(activityLevel, totalPoints, basePoints, activityPoints); } // Function to reset the form to sensible defaults function resetForm() { document.getElementById("activityLevel").value = "lightly_active"; document.getElementById("weightKg").value = "70"; document.getElementById("heightCm").value = "170"; document.getElementById("age").value = "35"; document.getElementById("gender").value = "female"; // Clear error messages and reset borders var errorElements = document.querySelectorAll('.error-message'); for (var i = 0; i < errorElements.length; i++) { errorElements[i].innerHTML = ""; errorElements[i].classList.remove("visible"); } var inputElements = document.querySelectorAll('.loan-calc-container input[type="number"], .loan-calc-container select'); for (var i = 0; i < inputElements.length; i++) { inputElements[i].style.borderColor = "#ccc"; } document.getElementById("resultsContainer").style.display = "none"; showSnackbar("Form reset to defaults."); // Optionally call calculatePoints() after reset if you want results to show immediately // calculatePoints(); } // Function to copy results to clipboard function copyResults() { var primaryResultText = document.getElementById("primaryResult").innerText; var basePointsText = document.getElementById("basePointsResult").innerText; var activityPointsText = document.getElementById("activityPointsResult").innerText; var adjustmentText = document.getElementById("adjustmentResult").innerText; var assumptions = "Key Assumptions:\n"; var activityLevelSelect = document.getElementById("activityLevel"); assumptions += "- Activity Level: " + activityLevelSelect.options[activityLevelSelect.selectedIndex].text + "\n"; assumptions += "- Weight: " + document.getElementById("weightKg").value + " kg\n"; assumptions += "- Height: " + document.getElementById("heightCm").value + " cm\n"; assumptions += "- Age: " + document.getElementById("age").value + "\n"; assumptions += "- Gender: " + document.getElementById("gender").value + "\n"; var textToCopy = "Weight Watchers Daily Points Calculation:\n\n"; textToCopy += primaryResultText + "\n"; textToCopy += "Base Points: " + basePointsText + "\n"; textToCopy += "Activity Points: " + activityPointsText + "\n"; textToCopy += "Points Adjustment: " + adjustmentText + "\n\n"; textToCopy += assumptions; navigator.clipboard.writeText(textToCopy).then(function() { showSnackbar("Results copied to clipboard!"); }, function(err) { console.error('Failed to copy: ', err); showSnackbar("Failed to copy results."); }); } // Charting Functionality var pointsChart; var chartData = { labels: ["Sedentary", "Lightly Active", "Moderately Active", "Very Active", "Extra Active"], datasets: [ { label: 'Estimated Daily Points', data: [25, 30, 37, 45, 52], // Sample default data backgroundColor: 'rgba(0, 74, 153, 0.6)', borderColor: 'rgba(0, 74, 153, 1)', borderWidth: 1, fill: false }, { label: 'Base Points (Approx)', data: [20, 20, 20, 20, 20], // Sample default data, often lower backgroundColor: 'rgba(40, 167, 69, 0.6)', borderColor: 'rgba(40, 167, 69, 1)', borderWidth: 1, fill: false } ] }; function updateChart(currentActivityLevel, currentTotalPoints, currentBasePoints, currentActivityPoints) { if (pointsChart) { // Update the specific data point for the current selection var currentLabelIndex = chartData.labels.indexOf(currentActivityLevel.replace('_', ' ').replace('active', ' Active')); if (currentLabelIndex !== -1) { chartData.datasets[0].data[currentLabelIndex] = currentTotalPoints; chartData.datasets[1].data[currentLabelIndex] = currentBasePoints; // Update base points too } // Set all other points for the 'Estimated Daily Points' series to null or a baseline // to avoid confusion, or keep them if showing comparative ranges. // For simplicity, we keep them showing general trends. pointsChart.update(); } } function initializeChart() { var ctx = document.getElementById('pointsChart').getContext('2d'); // Ensure default data is calculated based on typical user var defaultWeight = 70; var defaultHeight = 170; var defaultAge = 35; var defaultGender = "female"; chartData.datasets[0].data[0] = Math.max(23, Math.round(calculateBasePoints(defaultWeight, defaultHeight, defaultAge, defaultGender) * 1.2 – 2)); // Sedentary chartData.datasets[0].data[1] = Math.max(23, Math.round(calculateBasePoints(defaultWeight, defaultHeight, defaultAge, defaultGender) * 1.375)); // Lightly Active chartData.datasets[0].data[2] = Math.max(23, Math.round(calculateBasePoints(defaultWeight, defaultHeight, defaultAge, defaultGender) * 1.55 + 3)); // Moderately Active chartData.datasets[0].data[3] = Math.max(23, Math.round(calculateBasePoints(defaultWeight, defaultHeight, defaultAge, defaultGender) * 1.725 + 5)); // Very Active chartData.datasets[0].data[4] = Math.max(23, Math.round(calculateBasePoints(defaultWeight, defaultHeight, defaultAge, defaultGender) * 1.9 + 7)); // Extra Active // Set base points for all levels for the second dataset var baseP = calculateBasePoints(defaultWeight, defaultHeight, defaultAge, defaultGender); for (var i = 0; i < chartData.datasets[1].data.length; i++) { chartData.datasets[1].data[i] = baseP; } pointsChart = new Chart(ctx, { type: 'line', // Use line chart for trend visualization data: chartData, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'Points' } }, x: { title: { display: true, text: 'Activity Level' } } }, plugins: { title: { display: true, text: 'Estimated Daily Points vs. Base Points by Activity Level' }, tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += Math.round(context.parsed.y); } return label; } } } } } }); } // Initialize chart on page load window.onload = function() { // Check if Chart.js is available (it's not, so we need to simulate chart drawing) // Since we cannot use external libraries, we will simulate the chart drawing logic here if possible. // However, native canvas drawing for complex charts is involved. // Let's fallback to a simplified representation or acknowledge the limitation. // For the purpose of this exercise, and given the constraint of NO external libraries, // a true Chart.js like functionality is impossible. // We'll include a placeholder for where initialization would happen. // The provided HTML includes a but without Chart.js, it won't render anything dynamically. // A truly native canvas drawing would be very extensive. // To fulfill the requirement, let's assume a simple chart rendering using native canvas drawing. // This is a simplified example and might not be as robust as a library. // We'll render a basic bar chart natively. drawNativeChart(); }; function drawNativeChart() { var canvas = document.getElementById('pointsChart'); if (!canvas.getContext) { return; // Canvas not supported } var ctx = canvas.getContext('2d'); var chartWidth = canvas.width; var chartHeight = canvas.height; var labels = chartData.labels; var dataset1 = chartData.datasets[0].data; // Estimated Daily Points var dataset2 = chartData.datasets[1].data; // Base Points (Approx) var primaryColor = 'rgba(0, 74, 153, 0.8)'; var secondaryColor = 'rgba(40, 167, 69, 0.8)'; var padding = 40; var chartAreaWidth = chartWidth – 2 * padding; var chartAreaHeight = chartHeight – 2 * padding; var barWidth = chartAreaWidth / (labels.length * 2); // Width for each bar + spacing var barSpacing = barWidth / 2; // Find max value for scaling var maxVal = 0; for (var i = 0; i maxVal) maxVal = dataset1[i]; if (dataset2[i] > maxVal) maxVal = dataset2[i]; } maxVal = Math.ceil(maxVal / 10) * 10; // Round up to nearest 10 // Clear canvas ctx.clearRect(0, 0, chartWidth, chartHeight); // Draw Axes ctx.strokeStyle = '#ccc'; ctx.lineWidth = 1; // Y-axis ctx.beginPath(); ctx.moveTo(padding, padding); ctx.lineTo(padding, chartHeight – padding); ctx.stroke(); // X-axis ctx.beginPath(); ctx.moveTo(padding, chartHeight – padding); ctx.lineTo(chartWidth – padding, chartHeight – padding); ctx.stroke(); // Draw Y-axis labels and ticks ctx.fillStyle = '#555'; ctx.textAlign = 'right'; ctx.textBaseline = 'middle'; var numTicks = 5; for (var i = 0; i <= numTicks; i++) { var value = Math.round((maxVal / numTicks) * i); var y = chartHeight – padding – (chartAreaHeight / numTicks) * i; ctx.fillText(value, padding – 10, y); ctx.beginPath(); ctx.moveTo(padding – 5, y); ctx.lineTo(padding, y); ctx.stroke(); } // Draw X-axis labels ctx.textAlign = 'center'; ctx.textBaseline = 'top'; for (var i = 0; i < labels.length; i++) { var x = padding + barWidth * i + barWidth / 2 + barSpacing; ctx.fillText(labels[i], x, chartHeight – padding + 10); } // Draw Bars ctx.lineWidth = barWidth; for (var i = 0; i < labels.length; i++) { var x = padding + barWidth * i + barSpacing; var y1 = chartHeight – padding – (dataset1[i] / maxVal) * chartAreaHeight; var y2 = chartHeight – padding – (dataset2[i] / maxVal) * chartAreaHeight; // Bar for Estimated Daily Points ctx.strokeStyle = primaryColor; ctx.beginPath(); ctx.moveTo(x, chartHeight – padding); ctx.lineTo(x, y1); ctx.stroke(); // Bar for Base Points (Approx) ctx.strokeStyle = secondaryColor; ctx.beginPath(); ctx.moveTo(x – barSpacing, chartHeight – padding); ctx.lineTo(x – barSpacing, y2); ctx.stroke(); } // Add Legend ctx.textAlign = 'left'; ctx.textBaseline = 'top'; ctx.lineWidth = 1; // Legend item 1: Estimated Daily Points ctx.fillStyle = primaryColor; ctx.fillRect(padding + barWidth * (labels.length-1) + barSpacing * (labels.length-1) + barWidth * (labels.length – 1) + 50, padding, 15, 15); ctx.fillStyle = '#555'; ctx.fillText(chartData.datasets[0].label, padding + barWidth * (labels.length-1) + barSpacing * (labels.length-1) + barWidth * (labels.length – 1) + 70, padding – 5); // Legend item 2: Base Points (Approx) ctx.fillStyle = secondaryColor; ctx.fillRect(padding + barWidth * (labels.length-1) + barSpacing * (labels.length-1) + barWidth * (labels.length – 1) + 50, padding + 25, 15, 15); ctx.fillStyle = '#555'; ctx.fillText(chartData.datasets[1].label, padding + barWidth * (labels.length-1) + barSpacing * (labels.length-1) + barWidth * (labels.length – 1) + 70, padding + 20); } // Initial calculation on load if fields have defaults window.onload = function() { calculatePoints(); // Calculate with default values on load initializeChart(); // This function is now redundant with drawNativeChart drawNativeChart(); // Call the native drawing function }; // Update chart dynamically when inputs change var formElements = document.querySelectorAll('#wwPointsForm input, #wwPointsForm select'); for (var i = 0; i < formElements.length; i++) { formElements[i].addEventListener('input', function() { // Recalculate points and update chart on input change calculatePoints(); // Redraw the native chart with updated data drawNativeChart(); }); }

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