How to Weight Watchers Points Calculator

Weight Watchers Points Calculator: How To Calculate Your Points :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –card-background: #fff; –shadow: 0 2px 5px 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; display: flex; flex-direction: column; align-items: center; padding-top: 20px; padding-bottom: 40px; } .container { max-width: 960px; width: 100%; margin: 0 auto; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); } h1, h2, h3 { color: var(–primary-color); text-align: center; margin-bottom: 1.5em; } h1 { font-size: 2.5em; } h2 { font-size: 1.8em; margin-top: 1.5em; border-bottom: 2px solid var(–primary-color); padding-bottom: 0.5em; } h3 { font-size: 1.4em; margin-top: 1.2em; } .calculator-wrapper { background-color: var(–card-background); padding: 30px; border-radius: 8px; box-shadow: var(–shadow); margin-bottom: 30px; } .input-group { margin-bottom: 20px; width: 100%; } .input-group label { display: block; font-weight: bold; margin-bottom: 8px; color: var(–primary-color); } .input-group input[type="number"], .input-group input[type="range"], .input-group select { width: calc(100% – 22px); /* Account for padding and border */ padding: 10px; border: 1px solid var(–border-color); border-radius: 4px; box-sizing: border-box; font-size: 1em; } .input-group input[type="range"] { cursor: pointer; } .input-group .helper-text { display: block; font-size: 0.85em; color: #666; margin-top: 5px; } .input-group .error-message { color: red; font-size: 0.9em; margin-top: 5px; min-height: 1.2em; /* Prevent layout shifts */ } button { background-color: var(–primary-color); color: white; padding: 12px 20px; border: none; border-radius: 4px; cursor: pointer; font-size: 1em; margin-right: 10px; transition: background-color 0.3s ease; min-width: 120px; } button:hover { background-color: #003366; } button.reset-button { background-color: #6c757d; } button.reset-button:hover { background-color: #5a6268; } button.copy-button { background-color: var(–success-color); } button.copy-button:hover { background-color: #218838; } .results-container { margin-top: 30px; padding: 25px; background-color: #e9ecef; border-radius: 8px; border: 1px solid #dee2e6; } .primary-result { font-size: 2.2em; font-weight: bold; color: var(–primary-color); text-align: center; margin-bottom: 20px; padding: 15px; background-color: #fff; border-radius: 4px; box-shadow: inset 0 1px 3px rgba(0,0,0,0.1); } .intermediate-results div, .formula-explanation { margin-bottom: 15px; font-size: 1.1em; padding: 10px; background-color: var(–card-background); border: 1px solid var(–border-color); border-radius: 4px; } .intermediate-results strong { color: var(–primary-color); } .formula-explanation strong { color: var(–primary-color); } table { width: 100%; border-collapse: collapse; margin-top: 20px; margin-bottom: 30px; } th, td { border: 1px solid var(–border-color); padding: 10px; text-align: left; } thead { background-color: var(–primary-color); color: white; } tbody tr:nth-child(even) { background-color: #f2f2f2; } canvas { margin-top: 20px; display: block; width: 100%; max-width: 700px; /* Limit canvas width */ margin-left: auto; margin-right: auto; background-color: white; border-radius: 4px; box-shadow: var(–shadow); } .chart-caption { text-align: center; font-style: italic; color: #666; margin-top: 10px; } .article-content { margin-top: 40px; text-align: left; } .article-content p, .article-content ul, .article-content ol { margin-bottom: 1.5em; } .article-content li { margin-bottom: 0.8em; } .article-content a { color: var(–primary-color); text-decoration: none; } .article-content a:hover { text-decoration: underline; } .faq-item { margin-bottom: 1.5em; } .faq-item strong { display: block; color: var(–primary-color); margin-bottom: 0.5em; } .internal-links-list { list-style: none; padding: 0; } .internal-links-list li { margin-bottom: 1em; } .internal-links-list a { font-weight: bold; } /* Responsive adjustments */ @media (max-width: 768px) { h1 { font-size: 2em; } h2 { font-size: 1.5em; } .container { padding: 15px; } button { width: 100%; margin-right: 0; margin-bottom: 10px; } .calculator-wrapper { padding: 20px; } }

Weight Watchers Points Calculator: How To Calculate Your Points

WW Points Calculator

This calculator helps you estimate your daily and weekly Points allowance based on Weight Watchers' current methodology (which may vary by program year). Enter your personal details to get started.

Enter your current age.
Enter your current weight in kilograms.
Enter your height in centimeters.
Male Female Select your gender.
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) Choose the option that best describes your typical physical activity.
Your target weekly weight loss (e.g., 0.5 kg).
Daily Points:
Weekly Points:
Basal Metabolic Rate (BMR): — kcal
Formula Explanation: Points are typically calculated based on a combination of your weight, height, age, gender, and activity level to determine your energy needs (BMR & TDEE). Your personalized Points allowance is then derived from your Total Daily Energy Expenditure (TDEE) minus a deficit for weight loss, converted into your daily and weekly Points budget. Specific WW program formulas can evolve. This calculator uses a common estimation method.
Daily vs. Weekly Points Allowance
Metric Value Unit
Summary of Calculated Values

What is a Weight Watchers Points Calculator?

A Weight Watchers Points calculator is an online tool designed to help individuals estimate their personalized daily and weekly Points allowance within the framework of the Weight Watchers (WW) program. WW uses a Points system to guide members toward healthier food choices by assigning a numerical value to different foods based on their nutritional content (like calories, saturated fat, sugar, and protein). This calculator simplifies the process of determining your individual Points budget, which is crucial for adhering to the program's guidelines and achieving weight loss goals. It takes into account personal factors like age, weight, height, gender, and activity level to provide a tailored recommendation.

Who should use it: Anyone considering or actively participating in a Weight Watchers program (like WW Reimagined, PersonalPoints, or similar iterations) can benefit from this calculator. It's particularly useful for new members trying to understand their starting Points, or existing members looking to verify their allowance or understand how changes in their body or activity might affect it. It's also a valuable resource for individuals interested in understanding the principles behind WW's personalized approach to healthy eating and weight management.

Common misconceptions: A common misconception is that the calculator provides the *exact* official Points you'll receive from WW. While it offers a very close estimation based on known formulas, the official Points can be influenced by factors not fully captured by simplified calculators or might be adjusted based on specific program nuances or individual consultations with WW coaches. Another misconception is that Points are solely about calories; they also factor in satiety-promoting nutrients like protein and fiber, and penalize ingredients like sugar and saturated fat, encouraging a more balanced intake.

Weight Watchers Points Calculator Formula and Mathematical Explanation

The core of any Weight Watchers Points calculator involves estimating your body's energy requirements and then adjusting them to create a calorie deficit for weight loss, which is then translated into a Points value. While the exact algorithm used by WW is proprietary and can change, a common approach involves calculating your Basal Metabolic Rate (BMR) and then your Total Daily Energy Expenditure (TDEE).

Step 1: Calculate Basal Metabolic Rate (BMR)

A widely used formula is the Mifflin-St Jeor equation, which is considered more accurate than older formulas like Harris-Benedict. For men: BMR = (10 × weight in kg) + (6.25 × height in cm) – (5 × age in years) + 5 For women: BMR = (10 × weight in kg) + (6.25 × height in cm) – (5 × age in years) – 161

Step 2: Calculate Total Daily Energy Expenditure (TDEE)

TDEE is calculated by multiplying your BMR by an activity factor:

  • Sedentary: BMR × 1.2
  • Lightly Active: BMR × 1.375
  • Moderately Active: BMR × 1.55
  • Very Active: BMR × 1.725
  • Extra Active: BMR × 1.9

The calculator uses simplified multipliers (0.1 to 0.5) for activity level.

Step 3: Determine Calorie Deficit for Weight Loss

To lose approximately 0.5 kg (1 lb) per week, a deficit of about 500 calories per day is generally recommended (since 1 kg of fat is roughly 7700 calories, 0.5 kg is ~3850 calories/week, or ~550 calories/day). The calculator incorporates the 'Weekly Weight Loss Goal' to influence this deficit, though the precise conversion to WW Points is complex.

Step 4: Convert to Weight Watchers Points

Historically, WW Points were calculated based on calories, saturated fat, sugar, and protein. Newer systems, like PersonalPoints, incorporate a wider range of factors and individualization. For older systems (like SmartPoints), a simplified formula might look like: Points = (Calories × 4) + (Saturated Fat × 9) + (Sugar × 4) + (Sodium × 0.1) / 40. (This is a conceptual simplification and not the exact WW formula).

Modern WW calculators often derive a baseline Points value from your TDEE and weight loss goal, providing a daily and weekly budget. The calculator provided estimates your daily Points by taking a percentage of your TDEE to ensure a deficit, and then calculates weekly Points by adding a bonus, often related to the goal weight loss rate.

Variable Explanations:

Variable Meaning Unit Typical Range
Age Number of years since birth Years 18 – 90+
Weight Current body mass kg 30 – 250+
Height Body height cm 140 – 200+
Gender Biological sex assigned at birth Categorical (Male/Female) Male, Female
Activity Level Average daily physical exertion Multiplier 0.1 (Sedentary) – 0.5 (Extra Active)
Weekly Goal Target weight loss per week kg/week 0.1 – 1.0
BMR Calories burned at rest kcal/day 1000 – 2500+
TDEE Total calories burned daily kcal/day 1500 – 4000+
Daily Points Allocated Points for daily consumption Points 15 – 50+
Weekly Points Bonus Points for the week Points 5 – 35+

Practical Examples

Let's see how the Weight Watchers Points calculator works with real scenarios.

Example 1: A Woman Starting Her Weight Loss Journey

Scenario: Sarah is a 42-year-old woman, weighing 85 kg and standing 160 cm tall. She works an office job and engages in light walking 2-3 times a week. She aims to lose 0.5 kg per week.

Inputs:

  • Age: 42 years
  • Weight: 85 kg
  • Height: 160 cm
  • Gender: Female
  • Activity Level: Lightly Active (0.2)
  • Weekly Goal: 0.5 kg

Calculation Process:

  1. BMR (Female): (10 * 85) + (6.25 * 160) – (5 * 42) – 161 = 850 + 1000 – 210 – 161 = 1479 kcal
  2. TDEE: 1479 * 1.375 (Lightly Active) = 2033 kcal
  3. Points Estimation: Based on TDEE and goal, the calculator might estimate Daily Points around 28 and Weekly Points around 20.

Outputs:

  • Estimated Daily Points: ~28
  • Estimated Weekly Points: ~20
  • Estimated BMR: ~1479 kcal

Interpretation: Sarah's starting Points allowance suggests she can consume roughly 28 Points per day and has an additional 20 Points to use throughout the week. This budget is designed to support her weight loss goal while providing adequate nutrition.

Example 2: A Man Maintaining His Weight

Scenario: David is a 55-year-old man, weighing 95 kg and standing 180 cm tall. He has a moderately active lifestyle, exercising 4 days a week. He is happy with his current weight and wants to maintain it, so his goal is 0 kg loss.

Inputs:

  • Age: 55 years
  • Weight: 95 kg
  • Height: 180 cm
  • Gender: Male
  • Activity Level: Moderately Active (0.3)
  • Weekly Goal: 0 kg (for maintenance, calculator will use a minimal deficit or adjust)

Calculation Process:

  1. BMR (Male): (10 * 95) + (6.25 * 180) – (5 * 55) + 5 = 950 + 1125 – 275 + 5 = 1805 kcal
  2. TDEE: 1805 * 1.55 (Moderately Active) = 2798 kcal
  3. Points Estimation: For maintenance, the Points system aims to align with TDEE. The calculator might estimate Daily Points around 40 and Weekly Points around 30, reflecting his higher energy needs.

Outputs:

  • Estimated Daily Points: ~40
  • Estimated Weekly Points: ~30
  • Estimated BMR: ~1805 kcal

Interpretation: David's higher Points budget reflects his larger body size, age, and higher activity level. This allowance allows him to maintain his current weight while enjoying a varied diet. The weekly Points offer flexibility for days with higher energy expenditure or social events.

How to Use This WW Points Calculator

Using the Weight Watchers Points calculator is straightforward. Follow these steps to get your personalized Points budget:

  1. Enter Your Details: Input your current Age, Weight (in kg), and Height (in cm).
  2. Select Gender: Choose your gender from the dropdown menu.
  3. Determine Activity Level: Honestly assess your typical daily physical activity and select the corresponding option. Refer to the helper text for descriptions.
  4. Set Your Goal: Enter your desired weekly weight loss in kilograms (e.g., 0.5 kg) or set it to 0 if you are focused on maintenance.
  5. Calculate: Click the "Calculate Points" button.

How to Read Results:

  • Primary Result (Daily Points): This is your main Points allowance to be used each day.
  • Weekly Points: These are additional Points you can use throughout the week as needed, offering flexibility.
  • Basal Metabolic Rate (BMR): This shows the estimated calories your body burns at rest, providing context for your energy needs.
  • Formula Explanation: Provides a brief overview of how the Points are estimated.

Decision-Making Guidance: Use your calculated Daily Points as your primary guide for food choices each day. Utilize your Weekly Points strategically for larger meals, treats, or days when you are more active or hungry. Remember that this is an estimate; the official WW program may offer slight variations. Consistency in tracking your Points and making mindful food choices is key to success.

Key Factors That Affect WW Points Results

Several factors influence your Weight Watchers Points calculation, impacting your daily and weekly allowances. Understanding these can help you better manage your journey:

  1. Metabolism and Age: As we age, our metabolism naturally slows down, meaning we burn fewer calories at rest. This calculator accounts for age, potentially reducing Points for older individuals with the same stats as younger ones.
  2. Body Composition (Weight & Height): Heavier individuals generally have higher BMRs and TDEEs, requiring more energy and thus potentially more Points. Height also plays a role in body surface area and metabolic rate.
  3. Muscle Mass vs. Fat Mass: While this calculator uses total weight, muscle tissue burns more calories than fat tissue. Individuals with higher muscle mass might have a higher BMR than their weight suggests, potentially needing more Points than a purely weight-based calculation indicates.
  4. Activity Level: This is a significant driver. The more active you are, the more calories you burn, and the higher your TDEE. The calculator adjusts Points based on your chosen activity level multiplier.
  5. Weight Loss Goals: A more aggressive weight loss goal requires a larger calorie deficit, which can translate to fewer Daily Points. Conversely, focusing on maintenance (0 kg goal) typically results in a Points budget closer to your TDEE.
  6. Program Updates: Weight Watchers periodically updates its Points system (e.g., moving from SmartPoints to PersonalPoints). This calculator is based on common estimation methods derived from past and present program principles but may not reflect the absolute latest proprietary algorithm.
  7. Individual Metabolic Variations: Hormonal factors, genetics, and specific health conditions can influence metabolism beyond what standard formulas capture.
  8. Food Choices within Points: While the calculator determines your budget, the *quality* of foods consumed within those Points significantly impacts satiety, nutrient intake, and overall health. WW encourages choosing ZeroPoint foods and nutrient-dense options.

Frequently Asked Questions (FAQ)

Q1: Is this calculator the official Weight Watchers tool?

A: No, this calculator is an independent tool designed to estimate your WW Points allowance based on commonly used BMR and TDEE formulas, reflecting general principles of the WW program. For your official personalized Points, please refer to the WW app or website.

Q2: Why are my calculated Points different from what I got from WW?

A: WW's proprietary algorithm is complex and may incorporate additional factors or nuances not included in this estimation tool. Program versions also change over time. This calculator provides a strong estimate but is not definitive.

Q3: Can I use this calculator if I'm on a specific WW plan like PersonalPoints?

A: This calculator provides a foundational Points estimate. WW's PersonalPoints plan is highly individualized, considering factors like a personal assessment and preferences. While the core concepts of energy expenditure are similar, the specific allocation might differ.

Q4: What does "Sedentary" activity level mean?

A: Sedentary typically means you have a job that involves mostly sitting and you get little to no regular exercise. This is the lowest activity level and results in the lowest Points budget besides basal needs.

Q5: How important are the Weekly Points?

A: Weekly Points offer flexibility. They can be used for special occasions, larger meals, or when you feel hungrier. Some people prefer to save them for the weekend, while others spread them out. There's no single right way to use them.

Q6: Should I adjust my Points if I start exercising more?

A: Yes. If your activity level significantly increases, you may need to adjust your Points budget. You can recalculate using a higher activity level. WW often provides additional Points for exercise activities within their tracking system.

Q7: What if my weight changes significantly?

A: Your Points allowance is dynamic. If you experience a significant change in weight (e.g., lose 5-10 kg), it's advisable to recalculate your Points to ensure your budget remains appropriate for your current body size and metabolic rate.

Q8: Does the calculator account for all nutrients?

A: This calculator primarily uses BMR/TDEE estimation. Traditional WW Points (like SmartPoints) also factored in saturated fat, sugar, and protein. Newer systems are more personalized. While this tool focuses on energy balance, remember WW encourages a balanced intake of nutrients.

function validateInput(id, errorId, min, max) { var input = document.getElementById(id); var errorDisplay = document.getElementById(errorId); var value = parseFloat(input.value); var isValid = true; if (isNaN(value) || input.value.trim() === "") { errorDisplay.textContent = "This field is required."; isValid = false; } else if (value max) { errorDisplay.textContent = "Value cannot be greater than " + max + "."; isValid = false; } else { errorDisplay.textContent = ""; isValid = true; } return isValid; } function calculatePoints() { // Clear previous errors document.getElementById('ageError').textContent = ""; document.getElementById('weightKgError').textContent = ""; document.getElementById('heightCmError').textContent = ""; document.getElementById('weeklyGoalError').textContent = ""; // Validate inputs var isValidAge = validateInput('age', 'ageError', 18); var isValidWeight = validateInput('weightKg', 'weightKgError', 1); var isValidHeight = validateInput('heightCm', 'heightCmError', 50); // Realistic min height var isValidWeeklyGoal = validateInput('weeklyGoal', 'weeklyGoalError', 0); if (!isValidAge || !isValidWeight || !isValidHeight || !isValidWeeklyGoal) { return; } var age = parseFloat(document.getElementById('age').value); var weightKg = parseFloat(document.getElementById('weightKg').value); var heightCm = parseFloat(document.getElementById('heightCm').value); var gender = document.getElementById('gender').value; var activityLevelMultiplier = parseFloat(document.getElementById('activityLevel').value); var weeklyGoal = parseFloat(document.getElementById('weeklyGoal').value); // Calculate BMR (Mifflin-St Jeor Equation) 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; } bmr = Math.max(bmr, 500); // Ensure BMR is not unrealistically low // Calculate TDEE var tdee = bmr * (1 + activityLevelMultiplier); // Using the provided multipliers directly as additive factor tdee = Math.max(tdee, bmr * 1.2); // Minimum TDEE based on sedentary // Estimate Points – This is a simplified estimation. Real WW formulas are proprietary. // We'll aim for a deficit based on weekly goal, and then convert to points-like values. // A common approach: Base daily points derived from TDEE, adjusted for goal. // Let's assume roughly 15-20 points/day is a lower baseline, and points per calorie roughly 0.03-0.05 // A simplified method: // Daily points are roughly TDEE / calories_per_point, adjusted for deficit. // Let's approximate 1 point ~ 30-40 kcal for calculation basis. var caloriesPerPoint = 35; var dailyPointsEstimate = Math.max(15, (tdee – (weeklyGoal * 7700 / 7)) / caloriesPerPoint); // Ensure a minimum and account for deficit dailyPointsEstimate = Math.round(dailyPointsEstimate); // Weekly points are often a set amount plus potentially related to goal or activity // Let's set a base weekly points value, adjustable by goal var baseWeeklyPoints = 21; // Standard WW weekly points range var weeklyPointsEstimate = baseWeeklyPoints + (weeklyGoal * 5); // Add points based on goal, higher goal = more points (less strict deficit) weeklyPointsEstimate = Math.min(weeklyPointsEstimate, 35); // Cap weekly points weeklyPointsEstimate = Math.max(weeklyPointsEstimate, 10); // Ensure minimum weeklyPointsEstimate = Math.round(weeklyPointsEstimate); // Ensure daily points + weekly points provide reasonable calorie range var totalWeeklyCaloriesFromPoints = (dailyPointsEstimate * 7 + weeklyPointsEstimate) * caloriesPerPoint; // Display Results document.getElementById('primaryResult').textContent = dailyPointsEstimate + " Daily Points"; document.getElementById('dailyPoints').innerHTML = "Daily Points: " + dailyPointsEstimate; document.getElementById('weeklyPoints').innerHTML = "Weekly Points: " + weeklyPointsEstimate; document.getElementById('bmrValue').innerHTML = "Basal Metabolic Rate (BMR): " + bmr.toFixed(0) + " kcal"; // Populate Table document.getElementById('resultsTableBody').innerHTML = ` Age${age}Years Weight${weightKg}kg Height${heightCm}cm Gender${gender === 'male' ? 'Male' : 'Female'}– Activity Level${document.getElementById('activityLevel').options[document.getElementById('activityLevel').selectedIndex].text}Multiplier Weekly Goal${weeklyGoal}kg/week Basal Metabolic Rate (BMR)${bmr.toFixed(0)}kcal/day Total Daily Energy Expenditure (TDEE)${tdee.toFixed(0)}kcal/day Estimated Daily Points${dailyPointsEstimate}Points Estimated Weekly Points${weeklyPointsEstimate}Points `; // Update Chart Data updateChart(dailyPointsEstimate, weeklyPointsEstimate); // Show results containers document.getElementById('resultsContainer').style.display = 'block'; document.getElementById('chartContainer').style.display = 'block'; document.getElementById('tableContainer').style.display = 'block'; } function resetCalculator() { document.getElementById('age').value = 35; document.getElementById('weightKg').value = 70; document.getElementById('heightCm').value = 165; document.getElementById('gender').value = 'female'; document.getElementById('activityLevel').value = '0.2'; // Lightly Active document.getElementById('weeklyGoal').value = 0.5; // Clear errors document.getElementById('ageError').textContent = ""; document.getElementById('weightKgError').textContent = ""; document.getElementById('heightCmError').textContent = ""; document.getElementById('weeklyGoalError').textContent = ""; // Clear results document.getElementById('primaryResult').textContent = "–"; document.getElementById('dailyPoints').innerHTML = "Daily Points: –"; document.getElementById('weeklyPoints').innerHTML = "Weekly Points: –"; document.getElementById('bmrValue').innerHTML = "Basal Metabolic Rate (BMR): — kcal"; document.getElementById('resultsTableBody').innerHTML = ""; document.getElementById('resultsContainer').style.display = 'none'; document.getElementById('chartContainer').style.display = 'none'; document.getElementById('tableContainer').style.display = 'none'; if (typeof pointsChartInstance !== 'undefined') { pointsChartInstance.destroy(); // Destroy previous chart if it exists } } function copyResults() { var primaryResult = document.getElementById('primaryResult').innerText; var dailyPoints = document.getElementById('dailyPoints').innerText; var weeklyPoints = document.getElementById('weeklyPoints').innerText; var bmrValue = document.getElementById('bmrValue').innerText; var tableRows = document.getElementById('resultsTableBody').getElementsByTagName('tr'); var tableData = "Key Assumptions:\n"; for (var i = 0; i < tableRows.length; i++) { var cells = tableRows[i].getElementsByTagName('td'); if (cells.length === 3) { tableData += `- ${cells[0].innerText}: ${cells[1].innerText} ${cells[2].innerText}\n`; } } var textToCopy = `WW Points Calculation Results:\n\n` + `${primaryResult}\n` + `${dailyPoints}\n` + `${weeklyPoints}\n` + `${bmrValue}\n\n` + `${tableData}`; // Use navigator.clipboard for modern browsers if (navigator.clipboard && navigator.clipboard.writeText) { navigator.clipboard.writeText(textToCopy).then(function() { alert('Results copied to clipboard!'); }).catch(function(err) { console.error('Failed to copy text: ', err); fallbackCopyTextToClipboard(textToCopy); }); } else { fallbackCopyTextToClipboard(textToCopy); } } function fallbackCopyTextToClipboard(text) { var textArea = document.createElement("textarea"); textArea.value = text; // Avoid scrolling to bottom textArea.style.top = "0"; textArea.style.left = "0"; textArea.style.position = "fixed"; 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('Could not copy results automatically. Please copy manually.'); } document.body.removeChild(textArea); } // Charting Logic var pointsChartInstance = null; // Global variable to hold the chart instance function updateChart(dailyPoints, weeklyPoints) { var ctx = document.getElementById('pointsChart').getContext('2d'); // Destroy previous chart instance if it exists if (pointsChartInstance) { pointsChartInstance.destroy(); } // Chart configuration pointsChartInstance = new Chart(ctx, { type: 'bar', // Use bar chart for comparison data: { labels: ['Points Allowance'], datasets: [{ label: 'Daily Points', data: [dailyPoints], backgroundColor: 'rgba(0, 74, 153, 0.7)', // Primary color variation borderColor: 'rgba(0, 74, 153, 1)', borderWidth: 1 }, { label: 'Weekly Points (Average per day)', data: [weeklyPoints / 7], // Show average daily contribution of weekly points backgroundColor: 'rgba(40, 167, 69, 0.7)', // Success color variation borderColor: 'rgba(40, 167, 69, 1)', borderWidth: 1 }] }, options: { responsive: true, maintainAspectRatio: false, // Allow custom height/width scales: { y: { beginAtZero: true, title: { display: true, text: 'Points' } } }, plugins: { legend: { display: true, position: 'top', }, title: { display: true, text: 'Daily vs. Weekly Points Allocation', font: { size: 16 } } } } }); } // Initial calculation on page load if inputs have default values document.addEventListener('DOMContentLoaded', function() { calculatePoints(); });

Leave a Comment