Calculate How Many Steps I Need to Lose Weight

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Calculate How Many Steps You Need to Lose Weight

Your Personalized Step Goal for Weight Loss

Weight Loss Step Calculator

Enter your current weight in kilograms (kg).
Enter your desired weight in kilograms (kg).
How many kilograms (kg) you aim to lose per week (e.g., 0.5 kg).
Approximate calories burned per 10,000 steps (e.g., 300-500 kcal). Adjust based on your pace and intensity.
Standard estimate: 7700 kcal is needed to burn 1 kg of fat.

Your Weight Loss Step Goal

Total Weight Loss (kg)

Total Calorie Deficit Needed

Target Weekly Steps

How it works: This calculator determines your total weight loss target in kg. It then calculates the total calorie deficit required for this loss. Dividing the total deficit by your estimated daily calorie burn per step activity gives you the total steps needed. This is then converted to a weekly average.

Understanding Your Step-Based Weight Loss Plan

Visualizing your estimated weekly steps and weight loss progress over time.

Key Assumptions and Metrics
Metric Value Unit
Current Weight kg
Target Weight kg
Total Weight Loss kg
Calorie Deficit per 1 kg Fat kcal
Total Calorie Deficit kcal
Estimated Daily Burn per 10k Steps kcal
Target Weekly Steps Steps

What is the Steps Needed for Weight Loss Calculation?

The "Steps Needed for Weight Loss" calculation is a personalized tool designed to help individuals understand the volume of physical activity, specifically walking steps, required to achieve a specific weight loss goal. It translates your desired weight loss into a quantifiable number of daily or weekly steps, making the abstract concept of calorie deficit more tangible. This calculation is particularly useful for those who prefer or are able to focus on walking as their primary method of increasing physical activity for weight management. It considers factors like your current weight, target weight, desired rate of loss, and the estimated calorie expenditure of your walking activity.

Who should use it: Anyone looking to lose weight who wants to incorporate more walking into their routine or quantify the impact of their current walking habits. It's ideal for individuals who find step tracking motivating or for those who have access to wearable fitness devices. Beginners to exercise, people seeking low-impact activity, or those needing a structured approach to increasing their daily movement can all benefit from this calculator.

Common misconceptions:

  • All steps are equal: While the calculator uses an average, the intensity, duration, and terrain of your steps significantly impact calorie burn.
  • Steps alone guarantee weight loss: Weight loss is multifactorial; diet plays a crucial role, and often a calorie deficit achieved through diet is more efficient than one solely from exercise.
  • A fixed number of steps works for everyone: Individual metabolism, body composition, and daily activities outside of intentional walking mean step goals need personalization.
  • More steps always means faster weight loss: While more steps generally burn more calories, a point of diminishing returns or potential for injury exists. Sustainable progress is key.

Steps Needed for Weight Loss Formula and Mathematical Explanation

The core principle behind weight loss is achieving a consistent calorie deficit, meaning you burn more calories than you consume. The "Steps Needed for Weight Loss" calculator applies this principle by quantifying the physical activity required to create that deficit.

Here's a breakdown of the formula:

  1. Calculate Total Weight to Lose: This is the difference between your current weight and your target weight.
    Total Weight Loss (kg) = Current Weight (kg) – Target Weight (kg)
  2. Calculate Total Calorie Deficit Needed: We use the standard estimate that 1 kilogram of fat is equivalent to approximately 7700 kilocalories.
    Total Calorie Deficit (kcal) = Total Weight Loss (kg) * Calorie Deficit per 1 kg Fat (kcal/kg)
  3. Calculate Estimated Daily Calorie Burn from Steps: This is provided by the user and represents how many calories they estimate they burn per a standard increment of steps (e.g., per 10,000 steps).
    Daily Calorie Burn from Steps (kcal/day) = (Estimated Daily Burn per increment / Increment Steps) * Daily Target Steps
    Alternatively, we simplify this by using the user input for 'Estimated Daily Calorie Burn from Activity (Steps)' directly. This input is assumed to be *per day* or the average contribution from steps to your daily deficit. For the purpose of *calculating* total steps, we'll rearrange to find the steps needed *to achieve* the deficit.
  4. Calculate Total Steps Needed: Divide the total calorie deficit by the calorie burn per step increment.
    Total Steps Needed = Total Calorie Deficit (kcal) / (Estimated Daily Burn per increment / Increment Steps)
    To simplify and provide a daily average target, we can re-frame:
    Daily Calorie Deficit Required = Weekly Weight Loss (kg) * Calorie Deficit per 1 kg Fat (kcal/kg) / 7 days
    Daily Target Steps = Daily Calorie Deficit Required (kcal/day) / (Estimated Daily Burn from Activity / Standard Step Increment like 10,000)
    Let's refine this for clarity and direct output:
    Weekly Calorie Deficit Target = Desired Weekly Weight Loss (kg) * Calorie Deficit per 1 kg Fat (kcal/kg)
    Weekly Steps Target = Weekly Calorie Deficit Target (kcal/week) / (Estimated Daily Burn from Activity (kcal/day) / Daily Steps Increment (e.g., 10000 steps/day)) * 7 days/week
    A more direct approach:
    Primary Calculation:
    Total Calorie Deficit = (Current Weight – Target Weight) * Calorie Deficit per 1 kg Fat
    Steps per Calorie = Standard Step Increment (e.g., 10000) / Estimated Daily Burn per Increment
    Total Steps Required = Total Calorie Deficit * Steps per Calorie
    Target Daily Steps = Total Steps Required / Number of Days in Goal Period (This is complex as goal period is not defined).
    Simplified Approach for Calculator Output:
    1. Calculate Total Weight Loss (kg): `(currentWeight – targetWeight)`
    2. Calculate Total Calorie Deficit Needed: `Total Weight Loss * deficitPerKg`
    3. Calculate Weekly Calorie Deficit Needed: `Total Calorie Deficit / (Number of weeks to reach target)` – This is also problematic.
    Let's align with the output:
    We calculate the *total calorie deficit* required. Then, we calculate the *weekly calorie deficit* based on the *desired weekly weight loss*.
    Weekly Calorie Deficit = Desired Weekly Weight Loss (kg) * deficitPerKg (kcal/kg)
    Target Weekly Steps = Weekly Calorie Deficit (kcal/week) / (activityBurn (kcal/day) / 10000 steps/day)
    This gives the total steps needed per week to achieve the *desired weekly weight loss*.

Variables Table:

Variable Meaning Unit Typical Range / Notes
Current Weight Your starting weight. kg Health range (e.g., 40-200 kg)
Target Weight Your desired weight goal. kg Must be less than Current Weight.
Desired Weekly Weight Loss The rate at which you aim to lose weight. kg/week Recommended: 0.25 to 1 kg/week. Max 2 kg/week.
Calorie Deficit per 1 kg of Fat The estimated number of calories equivalent to 1 kg of body fat. kcal/kg Standard: 7700 kcal/kg.
Estimated Daily Burn from Activity (Steps) Calories burned per day through walking/steps. kcal/day Highly variable. Approx. 300-500 kcal per 10,000 steps for average person.
Total Weight Loss The total amount of weight you aim to lose. kg Calculated: Current Weight – Target Weight.
Total Calorie Deficit Needed The cumulative calorie deficit required to reach the target weight. kcal Calculated: Total Weight Loss * Calorie Deficit per 1 kg Fat.
Weekly Calorie Deficit Target The calorie deficit to be achieved each week. kcal/week Calculated: Desired Weekly Weight Loss * Calorie Deficit per 1 kg Fat.
Target Weekly Steps The total number of steps needed per week to achieve the weekly calorie deficit. Steps/week Calculated based on the other inputs.

Practical Examples (Real-World Use Cases)

Example 1: Moderate Weight Loss Goal

Sarah wants to lose 5 kg and is aiming for a sustainable weekly loss of 0.5 kg. She currently weighs 75 kg and her target is 70 kg. She has a fitness tracker that estimates she burns about 400 kcal for every 10,000 steps she takes.

  • Inputs:
    • Current Weight: 75 kg
    • Target Weight: 70 kg
    • Desired Weekly Weight Loss: 0.5 kg
    • Estimated Daily Burn from Activity (per 10,000 steps): 400 kcal
    • Calorie Deficit per 1 kg Fat: 7700 kcal
  • Calculations:
    • Total Weight Loss: 75 kg – 70 kg = 5 kg
    • Total Calorie Deficit Needed: 5 kg * 7700 kcal/kg = 38,500 kcal
    • Weekly Calorie Deficit Target: 0.5 kg * 7700 kcal/kg = 3,850 kcal/week
    • Steps per kcal burned: 10,000 steps / 400 kcal = 25 steps/kcal
    • Target Weekly Steps: 3,850 kcal/week * 25 steps/kcal = 96,250 steps/week
    • Average Daily Steps: 96,250 steps/week / 7 days/week ≈ 13,750 steps/day
  • Interpretation: To lose 0.5 kg per week and reach her goal of 70 kg, Sarah needs to accumulate approximately 13,750 steps daily, burning an additional 3,850 calories per week through her activity. This aligns with her 0.5 kg weekly goal.

Example 2: Larger Initial Weight Loss Push

Mark weighs 90 kg and wants to reach 80 kg, aiming for a slightly faster initial loss of 1 kg per week for a few weeks before slowing down. He estimates his walking burns about 450 kcal per 10,000 steps.

  • Inputs:
    • Current Weight: 90 kg
    • Target Weight: 80 kg
    • Desired Weekly Weight Loss: 1 kg
    • Estimated Daily Burn from Activity (per 10,000 steps): 450 kcal
    • Calorie Deficit per 1 kg Fat: 7700 kcal
  • Calculations:
    • Total Weight Loss: 90 kg – 80 kg = 10 kg
    • Total Calorie Deficit Needed: 10 kg * 7700 kcal/kg = 77,000 kcal
    • Weekly Calorie Deficit Target: 1 kg * 7700 kcal/kg = 7,700 kcal/week
    • Steps per kcal burned: 10,000 steps / 450 kcal ≈ 22.22 steps/kcal
    • Target Weekly Steps: 7,700 kcal/week * 22.22 steps/kcal ≈ 171,111 steps/week
    • Average Daily Steps: 171,111 steps/week / 7 days/week ≈ 24,444 steps/day
  • Interpretation: Mark needs to aim for roughly 24,444 steps per day to achieve his goal of losing 1 kg per week. This is a significant daily step count and highlights that faster weight loss requires a substantial increase in physical activity, alongside dietary considerations. He might need to gradually build up to this number.

How to Use This Steps Calculator

Our Steps Needed for Weight Loss Calculator is designed for simplicity and effectiveness. Follow these steps to get your personalized walking goal:

  1. Enter Current Weight: Input your current body weight in kilograms (kg). Ensure accuracy for the best results.
  2. Enter Target Weight: Specify your desired weight goal in kilograms (kg). This should be less than your current weight.
  3. Set Desired Weekly Weight Loss: Choose a realistic rate of weight loss per week, typically between 0.5 kg and 1 kg for sustainable results. The calculator accepts values up to 2 kg/week but advises caution for rates exceeding 1 kg/week.
  4. Estimate Daily Calorie Burn from Steps: This is a crucial input. Use your fitness tracker's data or general estimates (around 300-500 kcal per 10,000 steps) to determine how many calories your walking activity burns per day. If you track steps directly, you can infer this: e.g., if 10,000 steps burn 400 kcal, then 1,000 steps burn 40 kcal.
  5. Verify Calorie Deficit per 1 kg Fat: The calculator uses the standard scientific value of 7700 kcal for 1 kg of fat. You can adjust this if you are following specific, evidence-based guidance that suggests a different figure.
  6. Click 'Calculate Steps': Once all fields are populated, click the button.

How to read results:

  • Primary Result (e.g., Target Weekly Steps): This is your main actionable number. It tells you the total number of steps you should aim for each week to achieve your desired weekly weight loss, assuming your calorie burn estimate is accurate and dietary intake remains constant or contributes to the deficit.
  • Intermediate Values: These provide context:
    • Total Weight Loss: The total difference between your current and target weight.
    • Total Calorie Deficit Needed: The overall calorie deficit required to achieve your total weight loss.
    • Weekly Calorie Deficit Target: The specific calorie deficit you need to create each week.
  • Table: Offers a detailed breakdown of all inputs and calculated metrics for clarity.
  • Chart: Visually represents your projected weekly step count and weight loss progression.

Decision-making guidance: Use the calculated steps as a target. If the number seems too high, consider:

  • Slightly reducing your desired weekly weight loss rate.
  • Improving the accuracy of your calorie burn estimate (e.g., using a more precise tracker or considering intensity).
  • Focusing equally on dietary changes to contribute to the calorie deficit, which may allow for fewer steps.
Remember, consistency is key. Aim for sustainable habits rather than drastic, short-term changes.

Key Factors That Affect Steps Needed for Weight Loss Results

While our calculator provides a personalized estimate, several factors can influence the actual number of steps you need and the effectiveness of your weight loss journey:

  1. Individual Metabolism: Basal Metabolic Rate (BMR) varies significantly between individuals due to genetics, age, sex, and muscle mass. A higher BMR means more calories burned at rest, potentially requiring fewer steps to achieve the same deficit compared to someone with a lower BMR.
  2. Dietary Intake: This calculator primarily focuses on the exercise (steps) component of calorie deficit. However, weight loss is most effectively achieved through a combination of diet and exercise. If your calorie intake is not controlled, the steps calculated may not be sufficient to overcome a calorie surplus. A deficit achieved primarily through diet is often more efficient.
  3. Accuracy of Calorie Burn Estimation: Wearable devices and general estimations are not perfectly accurate. Factors like stride length, terrain (inclines/declines), carrying weight, and individual efficiency can alter actual calorie expenditure per step. Re-evaluating your calorie burn estimate periodically is advisable. This is a critical assumption.
  4. Intensity and Duration of Walking: Simply hitting a step count doesn't guarantee a specific calorie burn. Brisk walking burns more calories per minute than a leisurely stroll. The calculator assumes a certain average intensity and burn rate. Varying your walking intensity (e.g., incorporating intervals) can increase effectiveness.
  5. Non-Exercise Activity Thermogenesis (NEAT): This includes all the calories burned from activities outside of structured exercise, like fidgeting, standing, and daily chores. NEAT can vary greatly and significantly impacts overall daily calorie expenditure. Someone with a high NEAT might need fewer intentional steps.
  6. Muscle Mass: Muscle tissue burns more calories at rest than fat tissue. Individuals with higher muscle mass will have a higher BMR and potentially burn more calories throughout the day, including during their steps, compared to someone with less muscle mass and more body fat.
  7. Consistency and Adherence: Achieving weight loss goals requires consistent effort. Hitting your step target every day or week is more impactful than sporadic bursts of activity. The calculator provides a target, but adherence is key to realizing the benefits.
  8. Health Conditions and Medications: Certain health issues (like thyroid problems) or medications can affect metabolism and weight. It's important to consult with a healthcare provider to ensure your weight loss plan is safe and appropriate for your individual health status.

Frequently Asked Questions (FAQ)

Is 10,000 steps a day enough for weight loss?
10,000 steps a day is a great general fitness goal and can contribute to weight loss, especially when combined with a calorie-controlled diet. However, the exact number of steps needed for significant weight loss varies greatly depending on your starting weight, target weight, metabolism, and dietary habits. Our calculator helps personalize this goal. For some, 10,000 steps might be enough if they create a substantial deficit through diet, while others may need considerably more.
How many calories does walking 10,000 steps burn?
On average, walking 10,000 steps can burn between 300 to 500 calories for most adults. This estimate is influenced by factors like body weight, walking speed, incline, and terrain. Heavier individuals tend to burn more calories. Our calculator uses your estimated burn rate per step increment.
Can I lose weight just by walking?
Yes, you can lose weight primarily through walking if it helps you create a consistent calorie deficit. However, achieving significant weight loss often requires a combined approach. Diet plays a critical role; reducing calorie intake can make reaching your target deficit much easier and faster than relying solely on exercise. Walking is excellent for cardiovascular health, mood, and general fitness, and it's a highly effective tool when integrated into a comprehensive weight management plan.
What is a safe rate of weekly weight loss?
For most individuals, a safe and sustainable rate of weight loss is considered to be 0.5 kg to 1 kg (about 1 to 2 pounds) per week. Losing weight too quickly can lead to muscle loss, nutrient deficiencies, fatigue, and may be harder to maintain long-term. Our calculator allows you to set this rate, with a recommended range.
How does my current weight affect the number of steps needed?
Your current weight significantly impacts calorie burn. A heavier person will generally burn more calories than a lighter person doing the exact same activity (like walking 10,000 steps) because they are moving more mass. Therefore, if you are heavier, you might achieve a greater calorie deficit with the same number of steps compared to someone lighter.
Should I focus on daily steps or weekly steps?
The calculator provides a 'Target Weekly Steps' result. While hitting this total over the week is the goal, aiming for a consistent daily step count (e.g., dividing the weekly target by 7) often makes it more manageable and helps build routine. However, some days you might walk more, and others less, as long as the weekly total is met.
What if my calorie burn estimate is wrong?
If your calorie burn estimate is inaccurate, your calculated step goal might be too high or too low. It's wise to use reliable tracking devices and periodically reassess your activity's calorie expenditure. If you're not seeing expected results, review this estimate and your dietary intake. Consider consulting a fitness professional for a more accurate assessment.
Do I need to adjust my diet if I increase my steps?
While increasing steps contributes to a calorie deficit, it's not a license to overeat. Many people overestimate the calories burned during exercise and underestimate calories consumed. For effective weight loss, it's crucial to pay attention to your diet alongside increasing your activity. A balanced approach often yields the best and most sustainable results.

© 2023 Your Website Name. All rights reserved. Please consult a healthcare professional before starting any new diet or exercise program.

var currentWeightInput = document.getElementById('currentWeight'); var targetWeightInput = document.getElementById('targetWeight'); var weeklyWeightLossInput = document.getElementById('weeklyWeightLoss'); var activityBurnInput = document.getElementById('activityBurn'); var deficitPerKgInput = document.getElementById('deficitPerKg'); var currentWeightError = document.getElementById('currentWeightError'); var targetWeightError = document.getElementById('targetWeightError'); var weeklyWeightLossError = document.getElementById('weeklyWeightLossError'); var activityBurnError = document.getElementById('activityBurnError'); var deficitPerKgError = document.getElementById('deficitPerKgError'); var primaryResultDiv = document.getElementById('primary-result'); var totalWeightLossSpan = document.getElementById('totalWeightLoss'); var totalCalorieDeficitSpan = document.getElementById('totalCalorieDeficit'); var weeklyStepsSpan = document.getElementById('weeklySteps'); var tableCurrentWeight = document.getElementById('tableCurrentWeight'); var tableTargetWeight = document.getElementById('tableTargetWeight'); var tableTotalWeightLoss = document.getElementById('tableTotalWeightLoss'); var tableDeficitPerKg = document.getElementById('tableDeficitPerKg'); var tableTotalCalorieDeficit = document.getElementById('tableTotalCalorieDeficit'); var tableActivityBurn = document.getElementById('tableActivityBurn'); var tableWeeklySteps = document.getElementById('tableWeeklySteps'); var stepsChart; var chartCtx; function initializeChart() { chartCtx = document.getElementById('stepsChart').getContext('2d'); stepsChart = new Chart(chartCtx, { type: 'bar', data: { labels: [], // Will be populated by updateChart datasets: [{ label: 'Estimated Weekly Steps', data: [], // Will be populated by updateChart backgroundColor: 'rgba(0, 74, 153, 0.6)', borderColor: 'rgba(0, 74, 153, 1)', borderWidth: 1, yAxisID: 'y-steps' }, { label: 'Target Weekly Weight Loss (kg)', data: [], // Will be populated by updateChart type: 'line', fill: false, borderColor: 'rgba(40, 167, 69, 1)', tension: 0.1, yAxisID: 'y-loss' }] }, options: { responsive: true, maintainAspectRatio: false, scales: { x: { title: { display: true, text: 'Week' } }, y-steps: { type: 'linear', position: 'left', beginAtZero: true, title: { display: true, text: 'Steps' }, ticks: { callback: function(value) { if (value >= 1000) { return value / 1000 + 'k'; } return value; } } }, y_loss: { type: 'linear', position: 'right', beginAtZero: false, // Can start below 0 if needed for context title: { display: true, text: 'Weight Loss (kg)' }, grid: { drawOnChartArea: false, // only want the grid lines for one axis to show up } } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || "; if (label) { label += ': '; } if (context.dataset.yAxisID === 'y-steps') { label += Math.round(context.raw / 1000) + 'k steps'; } else { label += context.raw.toFixed(2) + ' kg'; } return label; } } } } } }); } function validateInput(inputElement, errorElement, minValue, maxValue, label, isFloat = true) { var value = parseFloat(inputElement.value); var errorMessage = ""; if (isNaN(value)) { errorMessage = "Please enter a valid number."; errorElement.textContent = errorMessage; return false; } if (value <= 0 && inputElement.id !== 'currentWeight' && inputElement.id !== 'targetWeight') { // Allow 0 for some fields if logically possible, but not for burn errorMessage = label + " must be a positive number."; errorElement.textContent = errorMessage; return false; } if (inputElement.id === 'currentWeight' && value <= 0) { errorMessage = "Current weight must be a positive number."; errorElement.textContent = errorMessage; return false; } if (inputElement.id === 'targetWeight' && value <= 0) { errorMessage = "Target weight must be a positive number."; errorElement.textContent = errorMessage; return false; } if (value maxValue) { errorMessage = label + " cannot be greater than " + maxValue + "."; errorElement.textContent = errorMessage; return false; } errorElement.textContent = ""; // Clear error message return true; } function validateAllInputs() { var isValid = true; isValid = validateInput(currentWeightInput, currentWeightError, 0.1, undefined, "Current Weight") && isValid; isValid = validateInput(targetWeightInput, targetWeightError, 0.1, undefined, "Target Weight") && isValid; isValid = validateInput(weeklyWeightLossInput, weeklyWeightLossError, 0.1, 2, "Weekly Weight Loss", true) && isValid; isValid = validateInput(activityBurnInput, activityBurnError, 10, undefined, "Daily Calorie Burn", true) && isValid; isValid = validateInput(deficitPerKgInput, deficitPerKgError, 100, undefined, "Calorie Deficit per 1kg", true) && isValid; var currentWeight = parseFloat(currentWeightInput.value); var targetWeight = parseFloat(targetWeightInput.value); if (currentWeight 0 ? Math.round(parseFloat(document.getElementById('currentWeight').value) – parseFloat(document.getElementById('targetWeight').value)) / parseFloat(document.getElementById('weeklyWeightLoss').value) : 0; var labels = []; var stepsData = []; var lossData = []; // Limit chart to a reasonable number of weeks, e.g., 12-24 var maxWeeksToShow = Math.min(Math.max(12, Math.ceil(weeksToTarget)), 24); for (var i = 1; i <= maxWeeksToShow; i++) { labels.push(i); // Assuming steps and loss are constant per week for simplicity of chart projection stepsData.push(targetWeeklySteps); // Calculate projected loss for the week. Note: loss is constant per week by input. lossData.push(weeklyWeightLoss); } if (stepsChart) { stepsChart.data.labels = labels; stepsChart.data.datasets[0].data = stepsData; stepsChart.data.datasets[1].data = lossData; stepsChart.update(); } else { // Chart hasn't been initialized yet, initialize it now initializeChart(); stepsChart.data.labels = labels; stepsChart.data.datasets[0].data = stepsData; stepsChart.data.datasets[1].data = lossData; stepsChart.update(); } } function resetCalculator() { currentWeightInput.value = 70; targetWeightInput.value = 65; weeklyWeightLossInput.value = 0.5; activityBurnInput.value = 300; // Default to 300 kcal per 10,000 steps deficitPerKgInput.value = 7700; // Clear errors currentWeightError.textContent = ""; targetWeightError.textContent = ""; weeklyWeightLossError.textContent = ""; activityBurnError.textContent = ""; deficitPerKgError.textContent = ""; // Reset results primaryResultDiv.textContent = "–"; totalWeightLossSpan.textContent = "–"; totalCalorieDeficitSpan.textContent = "–"; weeklyStepsSpan.textContent = "–"; // Reset table tableCurrentWeight.textContent = "–"; tableTargetWeight.textContent = "–"; tableTotalWeightLoss.textContent = "–"; tableDeficitPerKg.textContent = "–"; tableTotalCalorieDeficit.textContent = "–"; tableActivityBurn.textContent = "–"; tableWeeklySteps.textContent = "–"; // Reset chart data if (stepsChart) { stepsChart.data.labels = []; stepsChart.data.datasets[0].data = []; stepsChart.data.datasets[1].data = []; stepsChart.update(); } } function copyResults() { var resultText = "— Weight Loss Step Goal —\n\n"; resultText += "Primary Result: " + primaryResultDiv.textContent + "\n\n"; resultText += "Key Intermediate Values:\n"; resultText += "- Total Weight Loss: " + totalWeightLossSpan.textContent + " kg\n"; resultText += "- Total Calorie Deficit Needed: " + totalCalorieDeficitSpan.textContent + " kcal\n"; resultText += "- Target Weekly Steps: " + weeklyStepsSpan.textContent + " steps\n\n"; resultText += "Key Assumptions:\n"; resultText += "- Current Weight: " + tableCurrentWeight.textContent + " kg\n"; resultText += "- Target Weight: " + tableTargetWeight.textContent + " kg\n"; resultText += "- Desired Weekly Weight Loss: " + weeklyWeightLossInput.value + " kg/week\n"; resultText += "- Calorie Deficit per 1 kg Fat: " + deficitPerKgInput.value + " kcal/kg\n"; resultText += "- Estimated Daily Burn from Activity (per 10,000 steps): " + activityBurnInput.value + " kcal\n"; var textArea = document.createElement("textarea"); textArea.value = resultText; document.body.appendChild(textArea); textArea.select(); try { document.execCommand('copy'); alert("Results copied to clipboard!"); } catch (err) { console.error('Failed to copy: ', err); alert("Failed to copy results. Please copy manually."); } document.body.removeChild(textArea); } // Initialize FAQ toggle functionality var faqQuestions = document.querySelectorAll('.faq-question'); faqQuestions.forEach(function(question) { question.addEventListener('click', function() { var faqItem = this.parentElement; faqItem.classList.toggle('open'); }); }); // Initial calculation on page load document.addEventListener('DOMContentLoaded', function() { initializeChart(); // Initialize chart first calculateSteps(); // Then perform initial calculation });

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