Treadmill Weight Loss Calculator

Treadmill Weight Loss Calculator: Estimate Your Calorie Burn & Weight Loss :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ddd; –shadow-color: rgba(0, 0, 0, 0.1); –white: #fff; } 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; min-height: 100vh; } .container { width: 100%; max-width: 960px; margin: 20px auto; padding: 20px; background-color: var(–white); border-radius: 8px; box-shadow: 0 4px 12px var(–shadow-color); box-sizing: border-box; } h1, h2, h3 { color: var(–primary-color); text-align: center; } h1 { font-size: 2.2em; margin-bottom: 10px; } h2 { font-size: 1.8em; margin-top: 30px; margin-bottom: 15px; border-bottom: 2px solid var(–primary-color); padding-bottom: 5px; } h3 { font-size: 1.4em; margin-top: 20px; margin-bottom: 10px; 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Treadmill Weight Loss Calculator

Estimate your calorie burn and time to reach weight loss goals on the treadmill.

Treadmill Weight Loss Calculator

Enter your weight in kilograms (kg).
Enter the speed in kilometers per hour (km/h).
0% (Flat) 1% 2% 3% 4% 5% 6% 7% 8% 9% 10% Select the incline percentage.
Enter the duration of your workout in minutes.

Your Treadmill Workout Results

Estimated Calories Burned: kcal
MET Value (Approximate):
Weight Loss Needed (for 1kg): 7700 kcal
Time to Lose 1kg:
Total Weight Loss Target:
Time to Reach Target:
How it's calculated:

Calories Burned = (MET * Body Weight in kg * Duration in hours) * 1.05 (activity factor). MET values are approximate and depend on speed and incline. Time to lose 1kg is calculated by dividing 7700 kcal by the calories burned per workout. Total time to reach your target weight loss is the time per kg multiplied by the number of kgs you want to lose.

Calorie Burn Over Time

This chart illustrates the cumulative calorie burn throughout your workout session.

MET Values for Walking/Running

Activity Speed (km/h) Incline (%) Approx. METs
Walking 4.0 0 3.5
Walking 5.5 0 4.5
Walking 6.0 5 8.0
Running 8.0 0 8.3
Running 10.0 0 10.0
Running 10.0 5 14.5

MET (Metabolic Equivalent of Task) values are estimates. Higher METs indicate greater energy expenditure.

What is a Treadmill Weight Loss Calculator?

A treadmill weight loss calculator is a specialized tool designed to help individuals estimate the number of calories they can burn during a treadmill workout and project how long it might take to achieve specific weight loss goals. It takes into account key variables such as your body weight, the speed and incline of the treadmill, and the duration of your exercise session. This calculator serves as a valuable guide for anyone looking to incorporate treadmill training into their fitness regimen for effective weight management.

Who should use it? Anyone aiming to lose weight, improve cardiovascular health, or simply understand their energy expenditure better through treadmill use can benefit from this tool. Whether you are a beginner or an experienced runner, the calculator provides a quantifiable way to track progress and set realistic expectations.

Common misconceptions about treadmill weight loss often revolve around the idea that simply spending time on the treadmill guarantees significant weight loss without considering intensity, diet, or individual metabolism. This calculator helps to clarify that factors like speed, incline, and duration play a crucial role in calorie expenditure, and that weight loss is a multifaceted process.

Treadmill Weight Loss Calculator Formula and Mathematical Explanation

The core of the treadmill weight loss calculator relies on estimating calorie expenditure, which is then used to project weight loss timelines. The most common method involves using METs (Metabolic Equivalents of Task).

Step-by-step derivation:

  1. Determine the MET value: This is the most variable part. METs are a measure of energy expenditure relative to resting metabolism. For a treadmill, MET values are estimated based on speed and incline. Lower speeds and flat inclines yield lower METs, while higher speeds and steeper inclines yield higher METs. Our calculator uses an approximation based on common values, but real-world METs can vary.
  2. Calculate Calories Burned Per Minute: The general formula is:
    Calories Burned per Minute = (MET * 3.5 * Body Weight in kg) / 200
  3. Calculate Total Calories Burned:
    Total Calories Burned = Calories Burned per Minute * Duration in minutes
  4. Estimate Weight Loss: It's generally accepted that approximately 7,700 kilocalories (kcal) must be burned to lose 1 kilogram (kg) of body fat.
    Weight Loss (kg) = Total Calories Burned / 7700
  5. Calculate Time to Lose 1kg:
    Time to Lose 1kg = 7700 / (Calories Burned per Minute * 60) (if duration is in minutes)
  6. Calculate Time to Reach Target Weight Loss:
    Time to Reach Target = Time to Lose 1kg * Number of kgs to lose

Variable Explanations:

Here's a breakdown of the variables used in the treadmill weight loss calculator:

Variable Meaning Unit Typical Range
Body Weight The user's current weight. Kilograms (kg) 30 – 200 kg
Treadmill Speed The pace set on the treadmill during the workout. Kilometers per hour (km/h) 1.0 – 15.0 km/h
Treadmill Incline The degree of elevation set on the treadmill. Percentage (%) 0 – 15 %
Workout Duration The total time spent exercising on the treadmill. Minutes 1 – 120 minutes
MET Value Metabolic Equivalent of Task; energy cost of activity. Unitless 2.0 – 15.0 (varies greatly)
Calories Burned Estimated energy expenditure during the workout. Kilocalories (kcal) Varies based on inputs
Time to Lose 1kg Estimated time needed to burn 7700 kcal. Hours/Days Varies based on calorie burn rate

Practical Examples (Real-World Use Cases)

Let's explore how the treadmill weight loss calculator can be used in practical scenarios:

Example 1: Weight Loss Beginner

Scenario: Sarah weighs 75 kg and wants to start losing weight. She plans to use the treadmill for 30 minutes, 3 times a week, at a brisk walking pace of 5.0 km/h on a 2% incline.

Inputs:

  • Body Weight: 75 kg
  • Treadmill Speed: 5.0 km/h
  • Treadmill Incline: 2%
  • Workout Duration: 30 minutes

Calculator Output (Approximate):

  • Estimated Calories Burned per Workout: ~250 kcal
  • MET Value (Approximate): 4.8
  • Time to Lose 1kg: ~15.4 hours of workouts
  • Target Weight Loss: Let's say Sarah aims for 5 kg.
  • Time to Reach Target (5kg): ~77 hours of workouts (5 kg * 15.4 hours/kg)

Interpretation: Sarah needs to complete about 15.4 hours of these specific treadmill workouts to burn enough calories to lose 1 kg. To lose 5 kg, she'd need approximately 77 hours of consistent effort. This helps her set a realistic timeline and understand the commitment required.

Example 2: Fitness Enthusiast Fat Burning

Scenario: Mark weighs 85 kg and is training for a half-marathon. He wants to increase his calorie burn during recovery runs. He sets the treadmill to 9.0 km/h with a 3% incline for 45 minutes.

Inputs:

  • Body Weight: 85 kg
  • Treadmill Speed: 9.0 km/h
  • Treadmill Incline: 3%
  • Workout Duration: 45 minutes

Calculator Output (Approximate):

  • Estimated Calories Burned per Workout: ~650 kcal
  • MET Value (Approximate): 10.5
  • Time to Lose 1kg: ~11.8 hours of workouts
  • Target Weight Loss: Mark wants to lose 2 kg.
  • Time to Reach Target (2kg): ~23.6 hours of workouts (2 kg * 11.8 hours/kg)

Interpretation: Mark is burning a significant number of calories (~650 kcal) per session, making his goal of losing 2 kg achievable in about 24 hours of these specific runs. This highlights how higher intensity workouts contribute more effectively to fat loss.

These examples show how the treadmill weight loss calculator provides personalized insights based on individual inputs and goals, making fitness planning more effective.

How to Use This Treadmill Weight Loss Calculator

Using our treadmill weight loss calculator is straightforward. Follow these steps to get personalized estimates for your weight loss journey:

  1. Enter Your Body Weight: Input your current weight in kilograms (kg) into the "Your Body Weight" field.
  2. Set Treadmill Speed: Enter the speed (in km/h) you plan to maintain on the treadmill.
  3. Select Incline: Choose the incline percentage (%) from the dropdown menu that corresponds to your workout setting.
  4. Specify Workout Duration: Enter how many minutes you intend to exercise on the treadmill.
  5. Click "Calculate": Once all fields are filled, click the "Calculate" button.

How to read results:

  • Primary Highlighted Result: This typically shows the total estimated calories burned for the specific workout session you entered.
  • Estimated Calories Burned: The total calorie expenditure for the workout.
  • MET Value (Approximate): An indicator of the workout's intensity relative to resting metabolism.
  • Weight Loss Needed (for 1kg): A constant reminder of the calorie deficit required for 1kg of fat loss.
  • Time to Lose 1kg: Estimates how many workouts like the one specified you would need to complete to achieve a 1kg weight loss.
  • Total Weight Loss Target & Time to Reach Target: If you input a target weight loss (e.g., by setting a desired future weight and calculating the difference), this section projects the total time investment needed.

Decision-making guidance: Use the results to adjust your workout intensity, duration, or frequency to meet your weight loss goals. If the projected time to reach your goal seems too long, consider increasing the speed, incline, or duration of your treadmill sessions, or complementing your workouts with dietary changes. Remember, sustainable weight loss is often a combination of exercise and a balanced nutrition plan.

Key Factors That Affect Treadmill Weight Loss Results

While the treadmill weight loss calculator provides valuable estimates, several real-world factors can influence your actual calorie burn and weight loss progress:

  1. Individual Metabolism: Basal Metabolic Rate (BMR) varies significantly between individuals due to genetics, age, sex, and body composition. A higher metabolism burns more calories even at rest.
  2. Body Composition: Muscle tissue burns more calories than fat tissue. Someone with a higher muscle mass will burn more calories during the same workout compared to someone with a lower muscle mass but the same body weight.
  3. Fitness Level: As you become fitter, your body becomes more efficient. You might burn fewer calories doing the same workout over time compared to when you first started.
  4. Environmental Factors: While less applicable to treadmills indoors, variations in room temperature can slightly affect metabolic rate.
  5. Dietary Intake: Exercise is only one part of the weight loss equation. Calorie intake plays a crucial role. A significant calorie deficit from diet alone or combined with exercise is necessary for weight loss.
  6. Workout Consistency: Sporadic workouts won't yield the same results as a consistent training schedule. Regularity is key for both calorie burn and metabolic adaptation.
  7. Sleep Quality and Stress Levels: Poor sleep and high stress can negatively impact hormones that regulate appetite and metabolism (like cortisol and ghrelin), potentially hindering weight loss efforts.
  8. Hydration: Proper hydration is essential for optimal metabolic function. Dehydration can slow down calorie burning.

Understanding these factors helps in interpreting the calculator's output realistically and adjusting your overall weight management strategy.

Frequently Asked Questions (FAQ)

Q1: How accurate is the treadmill weight loss calculator? A: The calculator provides an estimate based on standard formulas and average MET values. Actual calorie burn can vary due to individual metabolism, body composition, and specific physiological responses to exercise. It's a useful guide, not a precise measurement. Q2: What is a MET value? A: MET stands for Metabolic Equivalent of Task. It represents the ratio of your working metabolic rate relative to your resting metabolic rate. A MET value of 1 is the energy expenditure while sitting quietly. Higher MET values indicate a more strenuous activity. Q3: Is incline or speed more effective for calorie burn on a treadmill? A: Both speed and incline significantly increase calorie burn. Higher speeds increase cardiovascular demand, while higher inclines engage more muscles (especially glutes and hamstrings) and increase the overall work required, thus burning more calories. Often, a combination yields the best results. Q4: How many calories do I need to burn to lose 1 kg? A: It is generally estimated that you need to create a deficit of approximately 7,700 kilocalories (kcal) to lose 1 kilogram (kg) of body fat. Q5: Can I use this calculator if I run outdoors? A: While the principle of calorie burn is similar, outdoor running conditions (terrain, wind resistance, elevation changes) are different. This calculator is specifically designed for treadmill use where speed and incline are precisely controlled. For outdoor activities, a more general activity tracker or calculator might be needed. Q6: What if my weight or workout duration is outside the typical range? A: The calculator may still provide a result, but extreme values might lead to less reliable estimates. For very high or low weights/durations, consult with a fitness professional or healthcare provider for personalized advice. Q7: Does diet matter when using the treadmill for weight loss? A: Absolutely. Diet is a critical component of weight loss. To lose weight, you must consume fewer calories than you burn (calorie deficit). Treadmill exercise contributes to burning calories, but it needs to be combined with a balanced, calorie-controlled diet for optimal results. Check out our calorie intake calculator. Q8: How often should I use the treadmill for weight loss? A: Consistency is key. Aim for at least 150 minutes of moderate-intensity aerobic activity or 75 minutes of vigorous-intensity aerobic activity per week, spread throughout the week. For weight loss, you might need more. Listen to your body, allow for rest days, and consider consulting a fitness plan advisor.

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var MET_BASE = 3.5; // Standard MET reference value var CALORIES_PER_KG_FAT = 7700; // Kilocalories to lose 1kg of fat function validateInput(id, errorId, min, max, allowDecimal = true) { var inputElement = document.getElementById(id); var errorElement = document.getElementById(errorId); var value = parseFloat(inputElement.value); var isValid = true; errorElement.textContent = "; // Clear previous error if (isNaN(value) || (value === 0 && id !== 'treadmillIncline')) { // Allow 0 for incline errorElement.textContent = 'Please enter a valid number.'; isValid = false; } else if (value < 0) { errorElement.textContent = 'Value cannot be negative.'; isValid = false; } else if (min !== null && value max) { errorElement.textContent = 'Value too high.'; isValid = false; } // Additional check for specific inputs if (id === 'treadmillSpeedKph' && !isNaN(value) && value > 0 && value < 1.0) { errorElement.textContent = 'Speed should generally be 1.0 km/h or higher for meaningful exercise.'; isValid = false; } if (id === 'durationMinutes' && !isNaN(value) && value <= 0) { errorElement.textContent = 'Duration must be greater than 0 minutes.'; isValid = false; } // Remove error class if valid if (isValid) { inputElement.style.borderColor = '#ccc'; } else { inputElement.style.borderColor = '#dc3545'; } return isValid; } function getApproximateMET(speedKph, inclinePercent) { var baseMet = 0; if (speedKph < 4.0) { baseMet = 2.0; // Very slow walk } else if (speedKph < 5.5) { baseMet = 3.5; // Moderate walk } else if (speedKph < 7.0) { baseMet = 5.0; // Brisk walk / slow jog } else if (speedKph < 9.0) { baseMet = 7.0; // Jog } else { baseMet = 9.0; // Run } // Adjust MET for incline – a rough approximation var inclineAdjustment = inclinePercent * 0.5; // Each 1% incline adds ~0.5 MET var finalMet = baseMet + inclineAdjustment; // Cap MET values to avoid unrealistic numbers for extreme settings if (finalMet 15.0) finalMet = 15.0; return finalMet; } function calculateWeightLoss() { var isValid = true; isValid &= validateInput('userWeightKg', 'weightError', 1, 500); isValid &= validateInput('treadmillSpeedKph', 'speedError', 0.1, 25); // Allow low speeds for warm-up/cool-down but flag very low isValid &= validateInput('treadmillIncline', 'inclineError', 0, 15); isValid &= validateInput('durationMinutes', 'durationError', 1, 360); if (!isValid) { document.getElementById('results').style.display = 'none'; return; } var userWeightKg = parseFloat(document.getElementById('userWeightKg').value); var treadmillSpeedKph = parseFloat(document.getElementById('treadmillSpeedKph').value); var treadmillIncline = parseFloat(document.getElementById('treadmillIncline').value); var durationMinutes = parseFloat(document.getElementById('durationMinutes').value); var metValue = getApproximateMET(treadmillSpeedKph, treadmillIncline); var durationHours = durationMinutes / 60; // Formula: Calories Burned = (MET * 3.5 * Body Weight in kg) / 200 * Duration in minutes // A more common simplified MET formula uses: Calories/min = MET * 3.5 * weight (kg) / 200 // Or even simpler: Calories/hour = MET * weight (kg) * 1.05 (activity factor) // Let's use a widely cited formula: Calories Burned per Hour = MET * Weight (kg) * 1.05 // And then adjust for duration var caloriesPerHour = metValue * userWeightKg * 1.05; var totalCaloriesBurned = caloriesPerHour * durationHours; // Ensure calories burned is not negative due to potential floating point issues or invalid inputs not caught if (totalCaloriesBurned < 0) totalCaloriesBurned = 0; var timeToLose1kgHours = CALORIES_PER_KG_FAT / caloriesPerHour; var timeToLose1kgDisplay = (timeToLose1kgHours 0 ? weightLossFromSessionKg.toFixed(3) + ' kg' : 'N/A'; var timeToReachTargetDisplay = 'N/A'; // Can't calculate without a specific target kgs to lose document.getElementById('primaryResult').textContent = totalCaloriesBurned.toFixed(0) + ' kcal'; document.getElementById('caloriesBurned').textContent = totalCaloriesBurned.toFixed(0); document.getElementById('metValue').textContent = metValue.toFixed(1); document.getElementById('timeToLose1kg').textContent = timeToLose1kgDisplay; document.getElementById('targetWeightLoss').textContent = targetWeightLossDisplay; // Represents weight loss achieved in THIS session document.getElementById('timeToReachTarget').textContent = timeToReachTargetDisplay; // Not directly calculable without user target kg document.getElementById('results').style.display = 'block'; updateChart(durationMinutes, totalCaloriesBurned, metValue, userWeightKg); } function resetCalculator() { document.getElementById('userWeightKg').value = '70'; document.getElementById('treadmillSpeedKph').value = '5.0'; document.getElementById('treadmillIncline').value = '2'; document.getElementById('durationMinutes').value = '30'; // Clear errors document.getElementById('weightError').textContent = "; document.getElementById('speedError').textContent = "; document.getElementById('inclineError').textContent = "; document.getElementById('durationError').textContent = "; // Reset input borders document.getElementById('userWeightKg').style.borderColor = '#ccc'; document.getElementById('treadmillSpeedKph').style.borderColor = '#ccc'; document.getElementById('treadmillIncline').style.borderColor = '#ccc'; // Selects don't have border color directly, CSS handles it document.getElementById('durationMinutes').style.borderColor = '#ccc'; document.getElementById('results').style.display = 'none'; if (typeof calorieChart !== 'undefined') { calorieChart.destroy(); // Destroy previous chart instance if it exists } } function copyResults() { var primaryResult = document.getElementById('primaryResult').textContent; var caloriesBurned = document.getElementById('caloriesBurned').textContent; var metValue = document.getElementById('metValue').textContent; var timeToLose1kg = document.getElementById('timeToLose1kg').textContent; var assumptions = "Key Assumptions:\n"; assumptions += "- Body Weight: " + document.getElementById('userWeightKg').value + " kg\n"; assumptions += "- Treadmill Speed: " + document.getElementById('treadmillSpeedKph').value + " km/h\n"; assumptions += "- Treadmill Incline: " + document.getElementById('treadmillIncline').value + "%\n"; assumptions += "- Workout Duration: " + document.getElementById('durationMinutes').value + " minutes\n"; assumptions += "- Calories per 1kg fat: 7700 kcal\n"; var resultText = "Treadmill Workout Results:\n\n"; resultText += "Estimated Calories Burned: " + caloriesBurned + " kcal\n"; resultText += "MET Value (Approximate): " + metValue + "\n"; resultText += "Time to Lose 1kg: " + timeToLose1kg + "\n\n"; resultText += assumptions; // Use a temporary textarea to copy text to clipboard var textArea = document.createElement("textarea"); textArea.value = resultText; textArea.style.position = "fixed"; // Avoid scrolling to bottom of page in MS Edge. 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 ? 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Please select and copy the text above.'); } document.body.removeChild(textArea); } var calorieChart = null; // Global variable to hold the chart instance function updateChart(durationMinutes, totalCaloriesBurned, metValue, weightKg) { var ctx = document.getElementById('calorieBurnChart').getContext('2d'); // Clear previous chart if it exists if (calorieChart) { calorieChart.destroy(); } var labels = []; var cumulativeCalories = []; var caloriesPerMinute = (metValue * 3.5 * weightKg) / 200; // Using the alternate formula for step-by-step for (var i = 1; i <= durationMinutes; i++) { labels.push(i + ' min'); cumulativeCalories.push(caloriesPerMinute * i); } // Ensure cumulativeCalories doesn't exceed totalCaloriesBurned due to formula differences // Recalculate based on the primary formula for consistency in chart data var caloriesPerHour = metValue * weightKg * 1.05; var caloriesPerMinuteConsistent = caloriesPerHour / 60; cumulativeCalories = []; for (var i = 1; i <= durationMinutes; i++) { cumulativeCalories.push(caloriesPerMinuteConsistent * i); } calorieChart = new Chart(ctx, { type: 'line', data: { labels: labels, datasets: [{ label: 'Cumulative Calories Burned (kcal)', data: cumulativeCalories, borderColor: 'var(–primary-color)', backgroundColor: 'rgba(0, 74, 153, 0.1)', fill: true, tension: 0.1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'Calories (kcal)' } }, x: { title: { display: true, text: 'Time (minutes)' } } }, plugins: { legend: { position: 'top', }, title: { display: true, text: 'Cumulative Calorie Burn During Workout' } } } }); } // Initial calculation on load if default values are present document.addEventListener('DOMContentLoaded', function() { // Optional: Trigger calculation on load if you want to show results immediately // calculateWeightLoss(); }); <!– If not, you'd need to add: –>

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