Cycling Weight Loss Calculator

Cycling Weight Loss Calculator: Burn Calories & Shed Pounds body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f8f9fa; color: #333; line-height: 1.6; margin: 0; padding: 0; display: flex; justify-content: center; padding-top: 20px; padding-bottom: 40px; } .container { width: 100%; max-width: 1080px; background-color: #ffffff; padding: 30px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); border-radius: 8px; text-align: center; margin: 0 auto; } h1, h2, h3 { color: #004a99; margin-bottom: 20px; } h1 { font-size: 2.5em; } h2 { font-size: 1.8em; border-bottom: 2px solid #004a99; padding-bottom: 10px; display: inline-block; } h3 { font-size: 1.4em; margin-top: 30px; } .calc-wrapper { margin-top: 30px; padding: 25px; border: 1px solid #e0e0e0; border-radius: 8px; background-color: #f1f3f5; display: inline-block; width: 100%; box-sizing: border-box; } .input-group { margin-bottom: 20px; text-align: left; position: relative; } .input-group label { display: block; margin-bottom: 8px; font-weight: bold; color: #004a99; } .input-group input[type="number"], .input-group select { width: calc(100% – 24px); padding: 12px; border: 1px solid #ccc; border-radius: 4px; font-size: 1em; box-sizing: border-box; } .input-group input[type="number"]:focus, .input-group select:focus { border-color: #004a99; outline: none; box-shadow: 0 0 0 3px rgba(0, 74, 153, 0.2); } .input-group .helper-text { font-size: 0.85em; color: #666; margin-top: 5px; display: block; } .error-message { color: #dc3545; font-size: 0.85em; margin-top: 5px; display: none; /* Hidden by default */ min-height: 1.2em; /* Prevent layout shift */ } button { background-color: #004a99; color: white; border: none; padding: 12px 25px; border-radius: 5px; font-size: 1.1em; cursor: pointer; margin: 10px 5px; transition: background-color 0.3s ease; font-weight: bold; } button:hover { background-color: #003366; } button.secondary { background-color: #6c757d; } button.secondary:hover { background-color: #5a6268; } .results-container { margin-top: 30px; padding: 25px; border: 1px solid #d0e0f0; border-radius: 8px; background-color: #eef5fc; width: 100%; box-sizing: border-box; } .results-container h3 { margin-top: 0; color: #004a99; } .primary-result { font-size: 2.5em; font-weight: bold; color: #28a745; background-color: #e9f7ec; padding: 15px 20px; border-radius: 6px; margin-bottom: 20px; display: inline-block; border: 2px dashed #28a745; } .intermediate-results div, .formula-explanation { margin-bottom: 15px; font-size: 1.1em; text-align: left; padding: 10px; border-bottom: 1px dashed #cce0f0; } .intermediate-results div:last-child { border-bottom: none; } .intermediate-results strong { color: #004a99; display: inline-block; min-width: 220px; } .formula-explanation { background-color: #f1f8ff; padding: 15px; border-radius: 5px; border-left: 5px solid #004a99; font-style: italic; color: #003366; text-align: left; } .chart-container { margin-top: 30px; padding: 25px; background-color: #ffffff; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } canvas { max-width: 100%; height: auto !important; } table { width: 100%; border-collapse: collapse; margin-top: 20px; } th, td { border: 1px solid #dee2e6; padding: 12px 15px; text-align: left; } thead { background-color: #004a99; color: white; } th { font-weight: bold; } tbody tr:nth-child(even) { background-color: #f8f9fa; } .article-content { margin-top: 40px; text-align: left; font-size: 1.05em; } .article-content p, .article-content ul, .article-content ol { margin-bottom: 20px; } .article-content li { margin-bottom: 10px; } .article-content a { color: #004a99; text-decoration: none; font-weight: bold; } .article-content a:hover { text-decoration: underline; } .faq-list dt { font-weight: bold; color: #004a99; margin-top: 20px; margin-bottom: 5px; } .faq-list dd { margin-left: 20px; margin-bottom: 15px; } .copy-button { background-color: #ffc107; color: #333; } .copy-button:hover { background-color: #e0a800; } .tooltip { position: relative; display: inline-block; border-bottom: 1px dotted black; cursor: help; } .tooltip .tooltiptext { visibility: hidden; width: 280px; background-color: #555; color: #fff; text-align: center; border-radius: 6px; padding: 8px; position: absolute; z-index: 1; bottom: 125%; left: 50%; margin-left: -140px; opacity: 0; transition: opacity 0.3s; font-size: 0.9em; line-height: 1.4; } .tooltip .tooltiptext::after { content: ""; position: absolute; top: 100%; left: 50%; margin-left: -5px; border-width: 5px; border-style: solid; border-color: #555 transparent transparent transparent; } .tooltip:hover .tooltiptext { visibility: visible; opacity: 1; }

Cycling Weight Loss Calculator

Estimate your calorie burn and potential weight loss through cycling.

Cycling Calorie & Weight Loss Calculator

Enter your weight in kilograms (kg).
Enter the duration of your cycling session in minutes.
Low (e.g., casual, flat terrain) Moderate (e.g., brisk pace, some hills) High (e.g., racing, steep climbs) Select the perceived intensity of your ride.

Your Cycling Impact

— kcal
Calories Burned: — kcal
MET Value Used:
Basal Metabolic Rate (BMR): — kcal/day
Net Calories Burned (vs BMR): — kcal
Formula Used: Calories Burned = (METs * Body Weight in kg * 3.5) / 200 * Duration in minutes. BMR is estimated using the Mifflin-St Jeor equation. Net Calories is Calories Burned minus 1/24th of BMR.

Calorie Burn Over Time

Calorie burn estimation for various durations at moderate intensity.

Cycling MET Values by Intensity

Intensity Level MET Value Description
Low 4.0 Casual pace, flat terrain, light effort.
Moderate 7.5 Brisk pace, some hills, moderate effort.
High 12.0 Racing, steep climbs, high effort.
Typical MET values for different cycling intensities.

What is the Cycling Weight Loss Calculator?

The **cycling weight loss calculator** is a specialized tool designed to estimate the number of calories you expend during a cycling session and project its potential impact on your weight loss journey. It takes into account your personal body weight, the duration of your ride, and the intensity at which you cycle. This allows cyclists of all levels, from casual riders to serious athletes, to quantify the metabolic benefits of their activity. Understanding your calorie expenditure is fundamental to managing your energy balance, which is the core principle behind effective weight management. Whether you're trying to shed a few pounds or maintain a healthy physique, this calculator provides valuable insights into how your cycling efforts contribute to your overall fitness and weight goals. It's a vital component for anyone looking to optimize their training for fat loss or improved cardiovascular health. A misconception is that cycling is purely about cardiovascular improvement, but its role in calorie expenditure for **cycling weight loss calculator** is significant.

Cycling Weight Loss Calculator Formula and Mathematical Explanation

The core of the **cycling weight loss calculator** relies on established physiological principles to estimate energy expenditure. The primary formula used for calculating calories burned during physical activity is derived from the concept of Metabolic Equivalents (METs).

Calorie Burn Calculation

The formula for estimating calories burned during cycling is:

Calories Burned = (METs * Body Weight [kg] * 3.5) / 200 * Duration [min]

Let's break down the variables:

Variable Meaning Unit Typical Range
METs Metabolic Equivalent of Task. Represents the ratio of your working metabolic rate relative to your resting metabolic rate. 1 MET is the energy expenditure of sitting quietly. Unitless 1.0 – 12.0+ (depending on intensity)
Body Weight The individual's current body mass. Kilograms (kg) 30 kg – 200+ kg
Duration The total time spent engaged in the activity. Minutes (min) 1 min – 360+ min

The factor 3.5 represents the approximate oxygen consumption (ml/kg/min) at rest (1 MET), and dividing by 200 converts this into kilocalories per minute. This formula provides a standardized way to estimate energy expenditure across various activities.

Basal Metabolic Rate (BMR) Estimation

To understand the net effect of exercise on calorie balance, the calculator also estimates your Basal Metabolic Rate (BMR). A common and reasonably accurate formula is the Mifflin-St Jeor equation:

For men: BMR = (10 * Weight [kg]) + (6.25 * Height [cm]) – (5 * Age [years]) + 5

For women: BMR = (10 * Weight [kg]) + (6.25 * Height [cm]) – (5 * Age [years]) – 161

Since the calculator doesn't ask for height and age (to keep it simple for direct **cycling weight loss calculator** use), it uses a simplified average BMR calculation or assumes standard values for illustrative purposes. A more robust calculator would include these inputs. For this calculator, we'll assume a proxy for BMR: roughly 1 kcal per kg of body weight per hour, which translates to approximately (Body Weight * 24) kcal per day.

Net Calories Burned

The Net Calories Burned figure represents the *additional* calories you burned specifically due to cycling, beyond what your body would have burned at rest during that same period. It's calculated as:

Net Calories = Calories Burned – (BMR / 24 * Duration [min])

This calculation helps clarify the true caloric deficit created by the exercise session, which is crucial for understanding its contribution to **cycling weight loss calculator** goals.

Practical Examples (Real-World Use Cases)

Example 1: The Weekend Warrior

Scenario: Sarah is a 65kg woman who enjoys moderate cycling on weekends to stay fit and manage her weight. She goes for a 90-minute ride on a hilly route.

  • Inputs: Body Weight = 65 kg, Cycling Duration = 90 minutes, Intensity = Moderate (METs = 7.5)
  • Calculation:
    • Calories Burned = (7.5 * 65 * 3.5) / 200 * 90 = 3178.125 / 200 * 90 = 1429.9 kcal
    • Estimated BMR (proxy: 65 kg * 24 hrs * 1 kcal/kg/hr) = 1560 kcal/day
    • BMR during ride = (1560 / 24) * 1.5 hours = 97.5 kcal
    • Net Calories Burned = 1429.9 – 97.5 = 1332.4 kcal
  • Results Interpretation: Sarah burned approximately 1430 calories during her ride. After accounting for her resting metabolism during that time, she created a deficit of about 1332 calories from this single session. Over several weeks, consistent rides like this can significantly contribute to her weight loss objectives, aligning perfectly with the goals of a **cycling weight loss calculator**.

Example 2: The Commuter Cyclist

Scenario: Mark commutes to work by bike, a 45-minute ride each way at a brisk but steady pace. He weighs 80kg.

  • Inputs: Body Weight = 80 kg, Cycling Duration = 45 minutes, Intensity = Moderate (METs = 7.5)
  • Calculation:
    • Calories Burned = (7.5 * 80 * 3.5) / 200 * 45 = 300 * 3.5 / 200 * 45 = 1050 / 200 * 45 = 5.25 * 45 = 472.5 kcal
    • Estimated BMR (proxy: 80 kg * 24 hrs * 1 kcal/kg/hr) = 1920 kcal/day
    • BMR during ride = (1920 / 24) * 0.75 hours = 60 kcal
    • Net Calories Burned = 472.5 – 60 = 412.5 kcal
  • Results Interpretation: Mark burns about 473 calories each way during his commute. This daily expenditure of over 800 net calories (412.5 * 2) contributes substantially to his overall energy deficit, aiding his weight management goals. This daily calorie burn makes cycling an effective tool for **cycling weight loss calculator** driven weight management.

How to Use This Cycling Weight Loss Calculator

Using the **cycling weight loss calculator** is straightforward. Follow these steps to get your personalized calorie and weight loss estimates:

  1. Enter Your Body Weight: Input your current weight in kilograms (kg) into the 'Your Body Weight' field. This is a crucial factor as heavier individuals generally burn more calories for the same activity.
  2. Specify Cycling Duration: Enter the total time you spent cycling in minutes into the 'Cycling Duration' field. Be accurate with your time to ensure the most precise calculation.
  3. Select Intensity Level: Choose the intensity level that best describes your ride from the dropdown menu: Low, Moderate, or High. The intensity significantly impacts your metabolic rate and calorie expenditure. The calculator uses standard MET values associated with each level.
  4. Click Calculate: Once all fields are filled, click the 'Calculate' button.

How to Read Results:

  • Primary Result (Calories Burned): This is the total estimated calories you burned during your cycling session, displayed prominently.
  • Intermediate Values:
    • Calories Burned: The raw total kcal expenditure.
    • MET Value Used: Shows which MET value corresponds to your chosen intensity level.
    • Basal Metabolic Rate (BMR): An estimate of your body's calorie needs at rest.
    • Net Calories Burned: This is the most insightful figure for weight loss, representing the calories burned *above and beyond* your resting metabolism during the exercise.
  • Formula Explanation: Provides a clear, plain-language description of how the primary calorie burn figure was calculated.
  • Chart & Table: The chart visually represents calorie burn across different durations, while the table clarifies MET values for various intensities.

Decision-Making Guidance:

Use the 'Net Calories Burned' to understand the deficit your cycling creates. To lose weight, you need to consistently create a caloric deficit. For example, a deficit of 7,700 calories is roughly equivalent to 1 kg of fat loss. If your cycling sessions consistently contribute 500-1000 net calories to your daily deficit, you can estimate your potential weight loss over time. Remember to also consider your diet, as it plays an equally significant role in overall weight management. Use the **related tools** like a calorie intake tracker for a holistic approach.

Key Factors That Affect Cycling Weight Loss Results

While the **cycling weight loss calculator** provides a solid estimate, several real-world factors can influence the actual calorie burn and weight loss outcome:

  1. Body Composition: Muscle tissue burns more calories at rest than fat tissue. Individuals with a higher muscle mass may burn more calories, even at the same body weight, compared to someone with a higher body fat percentage.
  2. Terrain and Inclines: Riding uphill requires significantly more effort and thus burns more calories per minute than riding on flat ground. While the intensity setting accounts for this broadly, steep or prolonged climbs will increase expenditure beyond the general estimate.
  3. Wind Resistance: Riding against a strong headwind increases the physical effort required, leading to a higher calorie burn. Conversely, a tailwind makes cycling easier and reduces calorie expenditure.
  4. Cycling Efficiency and Technique: A highly skilled cyclist might be more efficient, using less energy to maintain a given speed. However, for most recreational riders, effort and perceived exertion are good proxies for intensity.
  5. Environmental Conditions: Riding in extreme temperatures (hot or cold) can affect your body's energy expenditure as it works to regulate temperature. Dehydration can also impair performance and metabolic efficiency.
  6. Fitness Level: As your cardiovascular fitness improves, your body may become more efficient at the same workload, potentially leading to a slightly lower calorie burn for the same perceived effort over time. However, this is often offset by the ability to sustain higher intensities or durations.
  7. Nutrition and Hydration: While not directly part of the calculation, your dietary intake and hydration status critically affect your ability to perform and recover, thus influencing consistent training and weight loss. Proper fueling is essential for maximizing benefits from **cycling weight loss calculator** insights.
  8. Post-Exercise Oxygen Consumption (EPOC): High-intensity exercise, including vigorous cycling, can lead to an elevated metabolic rate for hours after the workout, known as the "afterburn effect." This calculator primarily focuses on calories burned *during* the activity but EPOC contributes to overall daily expenditure.

Frequently Asked Questions (FAQ)

Q1: How accurate is this cycling weight loss calculator?
A1: The calculator provides an estimate based on standardized formulas and average MET values. Actual calorie burn can vary based on individual metabolism, exact effort, terrain, wind, and other factors. It's a good tool for understanding relative calorie expenditure and planning, but not a precise measurement device.
Q2: Does cycling burn more calories than running?
A2: Generally, for the same duration and perceived intensity, running tends to burn more calories than cycling because it engages more muscle groups and involves supporting your entire body weight against gravity. However, cycling allows for longer durations and higher intensities for many people, potentially leading to higher total calorie burn over a longer period. This **cycling weight loss calculator** highlights its specific benefits.
Q3: How many calories do I need to burn to lose 1 kg of fat?
A3: It's generally estimated that approximately 7,700 kilocalories (kcal) need to be burned to lose 1 kilogram (kg) of body fat. This deficit can be achieved through a combination of reduced calorie intake and increased calorie expenditure.
Q4: What is a good MET value for weight loss cycling?
A4: For effective weight loss, aiming for moderate to high intensity is beneficial. This typically corresponds to MET values between 6.0 and 12.0 or higher. The **cycling weight loss calculator** uses 7.5 for moderate and 12.0 for high intensity.
Q5: How often should I cycle for weight loss?
A5: Consistency is key. Aim for regular cycling sessions several times a week. Combining cycling with other forms of exercise and a balanced diet will yield the best results. Listen to your body and allow for rest days.
Q6: Does cycling build muscle?
A6: Cycling primarily targets the leg muscles (quadriceps, hamstrings, calves) and glutes. While it strengthens and tones these muscles, it's not typically considered a primary muscle-building (hypertrophy) activity compared to weight training. However, increased muscle mass can boost your resting metabolism.
Q7: Can I use this calculator if I cycle indoors on a stationary bike?
A7: Yes, the principles are similar. You can estimate the intensity of your stationary bike workout (e.g., by resistance level or heart rate zone) and use the corresponding MET value. Many stationary bikes also provide their own calorie estimates, which you can compare.
Q8: What's the difference between total calories burned and net calories burned?
A8: Total calories burned is the estimated energy expenditure for the activity itself. Net calories burned subtracts the calories your body would have burned at rest during that same time period (your BMR equivalent). Net calories represent the true additional energy deficit created by the exercise, making it more relevant for **cycling weight loss calculator** driven weight management.

Related Tools and Internal Resources

© 2023 Your Fitness Hub. All rights reserved.

var ctx; var calorieBurnChart; var defaultChartData = { labels: ['15 min', '30 min', '45 min', '60 min', '90 min', '120 min'], datasets: [{ label: 'Calories Burned (kcal)', data: [0, 0, 0, 0, 0, 0], borderColor: '#004a99', backgroundColor: 'rgba(0, 74, 153, 0.2)', fill: true, tension: 0.1 }, { label: 'Net Calories (kcal)', data: [0, 0, 0, 0, 0, 0], borderColor: '#28a745', backgroundColor: 'rgba(40, 167, 69, 0.2)', fill: true, tension: 0.1 }] }; function initializeChart() { ctx = document.getElementById('calorieBurnChart'); if (ctx) { calorieBurnChart = new Chart(ctx, { type: 'line', data: defaultChartData, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'Kilocalories (kcal)' } }, x: { title: { display: true, text: 'Duration (minutes)' } } }, plugins: { legend: { display: true, position: 'top', }, title: { display: true, text: 'Estimated Calorie Burn vs. Duration (Moderate Intensity)' } } } }); } } function updateChart() { if (!calorieBurnChart) { initializeChart(); if (!calorieBurnChart) return; // Still failed to initialize } var bodyWeight = parseFloat(document.getElementById('bodyWeight').value); var intensityLevel = parseInt(document.getElementById('intensityLevel').value); var metValues = { 1: 4.0, 2: 7.5, 3: 12.0 }; var selectedMET = metValues[intensityLevel] || 7.5; // Default to moderate if invalid var durations = [15, 30, 45, 60, 90, 120]; var caloriesBurnedData = []; var netCaloriesData = []; for (var i = 0; i < durations.length; i++) { var duration = durations[i]; var bmrPerMinute = (bodyWeight * 1) / 24; // Simplified BMR proxy var caloriesBurned = (selectedMET * bodyWeight * 3.5) / 200 * duration; var netCalories = caloriesBurned – (bmrPerMinute * duration); caloriesBurnedData.push(caloriesBurned.toFixed(0)); netCaloriesData.push(netCalories.toFixed(0)); } calorieBurnChart.data.datasets[0].data = caloriesBurnedData; calorieBurnChart.data.datasets[1].data = netCaloriesData; var intensityText = document.getElementById('intensityLevel').options[document.getElementById('intensityLevel').selectedIndex].text; calorieBurnChart.options.plugins.title.text = 'Estimated Calorie Burn vs. Duration (' + intensityText + ' Intensity)'; calorieBurnChart.update(); } function calculateWeightLoss() { var bodyWeightInput = document.getElementById('bodyWeight'); var cyclingDurationInput = document.getElementById('cyclingDuration'); var intensityLevelSelect = document.getElementById('intensityLevel'); var bodyWeightError = document.getElementById('bodyWeightError'); var cyclingDurationError = document.getElementById('cyclingDurationError'); var intensityLevelError = document.getElementById('intensityLevelError'); var isValid = true; // Clear previous errors bodyWeightError.style.display = 'none'; cyclingDurationError.style.display = 'none'; intensityLevelError.style.display = 'none'; // Validate body weight var bodyWeight = parseFloat(bodyWeightInput.value); if (isNaN(bodyWeight) || bodyWeight <= 0) { bodyWeightError.textContent = 'Please enter a valid body weight (must be a positive number).'; bodyWeightError.style.display = 'block'; isValid = false; } // Validate cycling duration var cyclingDuration = parseInt(cyclingDurationInput.value); if (isNaN(cyclingDuration) || cyclingDuration < 0) { cyclingDurationError.textContent = 'Please enter a valid duration (0 minutes or more).'; cyclingDurationError.style.display = 'block'; isValid = false; } if (!isValid) { return; // Stop calculation if validation fails } var metValues = { 1: 4.0, 2: 7.5, 3: 12.0 }; var intensityLevel = parseInt(intensityLevelSelect.value); var selectedMET = metValues[intensityLevel]; if (selectedMET === undefined) { intensityLevelError.textContent = 'Please select a valid intensity level.'; intensityLevelError.style.display = 'block'; isValid = false; } if (!isValid) { return; } // Calculations var caloriesBurned = (selectedMET * bodyWeight * 3.5) / 200 * cyclingDuration; var bmrDaily = bodyWeight * 24; // Simplified proxy for BMR kcal/day var bmrPerMinute = bmrDaily / 24; var netCalories = caloriesBurned – (bmrPerMinute * cyclingDuration); // Ensure net calories aren't negative (can happen with very short durations) if (netCalories < 0) netCalories = 0; // Display Results document.getElementById('primary-result').textContent = caloriesBurned.toFixed(0) + ' kcal'; document.getElementById('caloriesBurned').innerHTML = 'Calories Burned: ' + caloriesBurned.toFixed(0) + ' kcal'; document.getElementById('metValue').innerHTML = 'MET Value Used: ' + selectedMET.toFixed(1); document.getElementById('bmr').innerHTML = 'Basal Metabolic Rate (BMR): ' + bmrDaily.toFixed(0) + ' kcal/day'; document.getElementById('netCalories').innerHTML = 'Net Calories Burned (vs BMR): ' + netCalories.toFixed(0) + ' kcal'; updateChart(); } function resetCalculator() { document.getElementById('bodyWeight').value = 70; document.getElementById('cyclingDuration').value = 60; document.getElementById('intensityLevel').value = 2; // Moderate document.getElementById('bodyWeightError').style.display = 'none'; document.getElementById('cyclingDurationError').style.display = 'none'; document.getElementById('intensityLevelError').style.display = 'none'; // Reset results display document.getElementById('primary-result').textContent = '– kcal'; document.getElementById('caloriesBurned').innerHTML = 'Calories Burned: — kcal'; document.getElementById('metValue').innerHTML = 'MET Value Used: –'; document.getElementById('bmr').innerHTML = 'Basal Metabolic Rate (BMR): — kcal/day'; document.getElementById('netCalories').innerHTML = 'Net Calories Burned (vs BMR): — kcal'; // Reset chart to default state (or call calculate once to update based on defaults) calculateWeightLoss(); } function copyResults() { var primaryResult = document.getElementById('primary-result').textContent.trim(); var caloriesBurned = document.getElementById('caloriesBurned').textContent.replace('Calories Burned: ', ").trim(); var metValue = document.getElementById('metValue').textContent.replace('MET Value Used: ', ").trim(); var bmr = document.getElementById('bmr').textContent.replace('Basal Metabolic Rate (BMR): ', ").trim(); var netCalories = document.getElementById('netCalories').textContent.replace('Net Calories Burned (vs BMR): ', ").trim(); var assumptions = "Intensity: " + document.getElementById('intensityLevel').options[document.getElementById('intensityLevel').selectedIndex].text; var textToCopy = "— Cycling Weight Loss Results —\n\n"; textToCopy += "Primary Result (Total Calories Burned): " + primaryResult + "\n"; textToCopy += "Detailed Breakdown:\n"; textToCopy += "- Calories Burned: " + caloriesBurned + "\n"; textToCopy += "- MET Value Used: " + metValue + "\n"; textToCopy += "- Estimated BMR: " + bmr + "\n"; textToCopy += "- Net Calories Burned (vs BMR): " + netCalories + "\n\n"; textToCopy += "Key Assumptions:\n"; textToCopy += "- " + assumptions + "\n"; textToCopy += "- Body Weight: " + document.getElementById('bodyWeight').value + " kg\n"; textToCopy += "- Duration: " + document.getElementById('cyclingDuration').value + " minutes\n"; // Use navigator.clipboard if available, otherwise fallback 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; textArea.style.position = "fixed"; textArea.style.top = 0; textArea.style.left = 0; textArea.style.width = '2em'; textArea.style.height = '2em'; textArea.style.padding = '0'; textArea.style.border = 'none'; textArea.style.outline = 'none'; textArea.style.boxShadow = 'none'; textArea.style.background = 'transparent'; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'successful' : 'unsuccessful'; alert('Results copied to clipboard (' + msg + ')!'); } catch (err) { console.error('Fallback: Oops, unable to copy', err); alert('Failed to copy results.'); } document.body.removeChild(textArea); } // Initial calculation and chart setup on page load window.onload = function() { calculateWeightLoss(); initializeChart(); // Ensure chart is initialized updateChart(); // Update chart with initial values };

Leave a Comment