Walking Step Calculator to Lose Weight

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Walking Step Calculator to Lose Weight

Estimate your daily step goal for effective weight loss. Understand the relationship between steps, calories burned, and your weight loss journey.

Step Goal Calculator

Enter your current body weight in kilograms (kg).
Enter your target weight loss in kilograms (kg).
0.5 kg per week 1 kg per week 1.5 kg per week A sustainable rate for healthy weight loss.
Typical range is 2000-2500 steps/mile. Adjust based on your stride.
Approximately 7700 calories equal 1 kg of body fat.
Your average daily calorie consumption.
Calories burned at rest. Use an online calculator if unsure.
Sedentary (little or 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) Factor representing your daily physical activity.

Your Weight Loss Projection

Daily Steps Needed:
Estimated Weekly Calorie Deficit: kcal
Total Steps to Reach Goal:
Estimated Weeks to Reach Goal:
How it's calculated:

1. Total Calorie Deficit Needed: Weight Loss Goal (kg) * Calories per kg.

2. Target Daily Calorie Deficit: Total Calorie Deficit Needed / (Desired Weekly Weight Loss / 7).

3. Total Daily Energy Expenditure (TDEE): BMR * Activity Level Multiplier.

4. Calories Burned from Walking: This is derived from the required deficit. We calculate the total deficit needed and then determine how many steps are required to achieve it, considering calories burned per step (which is complex and often estimated via distance/stride).

5. Estimated Steps per Mile: Used to convert distance to steps.

6. Daily Steps Needed: The calculator estimates the steps required to achieve the target daily calorie deficit through walking, factoring in your TDEE and calorie intake. A simplified approach is used where the deficit needed from exercise is calculated, and then steps are estimated based on a typical calorie burn per step/mile.

Weight Loss Step Goal Data

Daily Steps vs. Calorie Deficit Projection
Metric Value Unit
Current Weight kg
Weight Loss Goal kg
Desired Weekly Loss kg/week
Daily Calorie Intake kcal
Estimated TDEE kcal
Target Daily Deficit kcal
Estimated Steps/Mile steps/mile
Estimated Daily Steps steps
Estimated Weeks to Goal weeks

What is a Walking Step Calculator to Lose Weight?

A walking step calculator to lose weight is a specialized tool designed to help individuals determine the number of daily steps they need to take to achieve their weight loss objectives. It bridges the gap between physical activity, calorie expenditure, and the fundamental principles of weight management. By inputting personal data such as current weight, weight loss goals, and activity levels, the calculator provides a personalized step target. This tool is invaluable for anyone looking to incorporate walking into their fitness routine for effective and sustainable fat loss. It demystifies the process, transforming abstract goals into actionable daily targets.

Who should use it? Anyone aiming to lose weight through walking, from beginners starting their fitness journey to experienced walkers looking to optimize their routine. It's particularly useful for individuals who prefer low-impact exercise or want a quantifiable measure of their daily physical activity related to weight loss.

Common misconceptions: A frequent misconception is that simply increasing steps guarantees weight loss without considering diet. While steps significantly contribute to calorie expenditure, a calorie deficit (consuming fewer calories than you burn) is paramount. Another myth is that all steps are equal; intensity and terrain can influence calorie burn. This calculator provides a baseline, but individual results may vary.

Walking Step Calculator to Lose Weight Formula and Mathematical Explanation

The core principle behind weight loss is achieving a consistent calorie deficit. Our walking step calculator to lose weight uses a series of calculations to estimate the daily steps required to create this deficit, primarily through increased physical activity.

Here's a breakdown of the mathematical process:

  1. Total Calorie Deficit Needed: This is the total number of calories that must be burned to achieve the desired weight loss.
    Total Calorie Deficit Needed = Weight Loss Goal (kg) * Calories per kg
  2. Target Daily Calorie Deficit: To achieve a sustainable weight loss rate, we divide the total deficit by the number of days it will take to reach the goal. This is often framed around a desired weekly loss.
    Target Daily Calorie Deficit = (Total Calorie Deficit Needed / Total Days to Goal)
    Alternatively, based on desired weekly loss:
    Target Daily Calorie Deficit = (Weight Loss Goal (kg) * Calories per kg) / (Estimated Weeks to Goal * 7)
    A more direct approach for the calculator:
    Target Daily Calorie Deficit = Desired Weekly Weight Loss (kg) * 7 * Calories per kg / 7 = Desired Weekly Weight Loss (kg) * Calories per kg (This is the deficit needed *per week* to achieve the desired rate, then we can derive daily needs).
    Let's refine: The calculator aims for a *daily* deficit. If you want to lose 1kg/week, and 1kg = 7700 kcal, you need a 7700 kcal deficit per week, or 1100 kcal per day.
    Target Daily Calorie Deficit = Desired Weekly Weight Loss (kg) * Calories per kg / 7
  3. Total Daily Energy Expenditure (TDEE): This is the total number of calories your body burns in a 24-hour period, including basal metabolism and physical activity.
    TDEE = Basal Metabolic Rate (BMR) * Activity Level Multiplier
  4. Calories from Diet: The calories consumed daily.
    Calories from Diet = Daily Calorie Intake
  5. Calorie Surplus/Deficit from Diet Alone:
    Dietary Deficit = TDEE - Calories from Diet
  6. Required Calorie Deficit from Exercise: This is the portion of the target daily deficit that needs to be achieved through physical activity (walking).
    Required Exercise Deficit = Target Daily Calorie Deficit - Dietary Deficit
    If Dietary Deficit is already greater than Target Daily Calorie Deficit, the required exercise deficit can be 0 or a smaller target to maintain momentum. For simplicity, we ensure this value is not negative.
    Required Exercise Deficit = MAX(0, Target Daily Calorie Deficit - Dietary Deficit)
  7. Estimated Calories Burned per Step/Mile: This is complex and varies greatly. A common approximation is that 1 mile of walking burns roughly 80-100 calories for an average person, or about 0.05 calories per step. We use the steps per mile to estimate calories burned per step.
    Calories per Mile = (Required Exercise Deficit / Total Weeks to Goal) * 7 / Weight Loss Goal (kg) * Calories per kg (This is getting convoluted).
    Let's simplify: If 1 mile burns ~100 kcal and is ~2000 steps, then 1 step burns ~0.05 kcal.
    Calories per Step = (Calories per Mile / Steps per Mile) (Approximate)
  8. Daily Steps Needed: The number of steps required to achieve the Required Exercise Deficit.
    Daily Steps Needed = Required Exercise Deficit / Calories per Step
    Daily Steps Needed = Required Exercise Deficit / (Calories per Mile / Steps per Mile)
    Using a common approximation: 1 mile burns ~100 calories.
    Miles Needed = Required Exercise Deficit / Calories per Mile
    Daily Steps Needed = Miles Needed * Steps per Mile
    Daily Steps Needed = (Required Exercise Deficit / 100) * Steps per Mile (Using 100 kcal/mile as a common estimate)
  9. Total Steps to Reach Goal:
    Total Steps to Reach Goal = Daily Steps Needed * Estimated Weeks to Goal * 7
  10. Estimated Weeks to Goal:
    Estimated Weeks to Goal = Total Calorie Deficit Needed / (Target Daily Calorie Deficit * 7)

Variables Table

Variable Meaning Unit Typical Range
Current Weight Body mass at the start of the weight loss journey. kg 40 – 150+
Weight Loss Goal The target amount of weight to lose. kg 1 – 50+
Desired Weekly Weight Loss The rate at which weight loss is targeted. kg/week 0.5 – 1.5 (sustainable)
Steps per Mile Number of steps taken to cover one mile. steps/mile 1800 – 2600
Calories per kg Approximate calories equivalent to 1 kg of body fat. kcal/kg 7700 (standard)
Daily Calorie Intake Average calories consumed per day. kcal/day 1200 – 3000+
BMR Basal Metabolic Rate; calories burned at rest. kcal/day 1000 – 2500+
Activity Level Multiplier Factor adjusting TDEE based on daily activity. Unitless 1.2 – 1.9
TDEE Total Daily Energy Expenditure. kcal/day 1500 – 3500+
Target Daily Calorie Deficit The daily calorie deficit needed to meet the weight loss goal. kcal/day 500 – 1500
Required Exercise Deficit Portion of the daily deficit to be met by exercise. kcal/day 0 – 1000+
Daily Steps Needed Estimated steps to achieve the required exercise deficit. steps/day 5000 – 20000+

Practical Examples (Real-World Use Cases)

Let's illustrate how the walking step calculator to lose weight works with practical scenarios:

Example 1: Sarah, aiming for moderate weight loss

Sarah weighs 75 kg and wants to lose 5 kg. She aims for a sustainable loss of 0.75 kg per week. Her daily calorie intake is 1800 kcal. Her BMR is 1400 kcal, and she has a moderately active lifestyle (multiplier 1.55). She walks about 2200 steps per mile.

  • Inputs:
    • Current Weight: 75 kg
    • Weight Loss Goal: 5 kg
    • Desired Weekly Weight Loss: 0.75 kg/week
    • Daily Calorie Intake: 1800 kcal
    • BMR: 1400 kcal
    • Activity Level: Moderately active (1.55)
    • Steps per Mile: 2200
    • Calories per kg: 7700 kcal
  • Calculations:
    • TDEE = 1400 * 1.55 = 2170 kcal/day
    • Target Daily Calorie Deficit = (5 kg * 7700 kcal/kg) / ( (5 kg / 0.75 kg/week) * 7 days/week ) = 38500 kcal / (6.67 weeks * 7 days) = 38500 / 46.67 = ~825 kcal/day
    • Dietary Deficit = 2170 – 1800 = 370 kcal/day
    • Required Exercise Deficit = MAX(0, 825 – 370) = 455 kcal/day
    • Estimated Calories per Mile = ~100 kcal (standard estimate)
    • Miles Needed per Day = 455 kcal / 100 kcal/mile = 4.55 miles
    • Daily Steps Needed = 4.55 miles * 2200 steps/mile = ~10,010 steps
    • Estimated Weeks to Goal = 5 kg / 0.75 kg/week = ~6.67 weeks
  • Outputs:
    • Main Result: ~10,010 steps per day
    • Estimated Weekly Calorie Deficit: ~5775 kcal (455 kcal/day * 7 days)
    • Total Steps to Reach Goal: ~70,070 steps (10,010 steps/day * 7 days/week * 6.67 weeks)
    • Estimated Weeks to Reach Goal: ~6.7 weeks

Interpretation: Sarah needs to aim for approximately 10,000 steps daily, in addition to her current diet and activity, to achieve her 5 kg weight loss goal in about 6.7 weeks. This target ensures she creates the necessary calorie deficit through walking.

Example 2: Mark, focusing on increased activity

Mark weighs 90 kg and wants to lose 10 kg. He desires a faster loss of 1 kg per week. His daily calorie intake is 2200 kcal. His BMR is 1600 kcal, and he's very active (multiplier 1.725). He averages 2100 steps per mile.

  • Inputs:
    • Current Weight: 90 kg
    • Weight Loss Goal: 10 kg
    • Desired Weekly Weight Loss: 1 kg/week
    • Daily Calorie Intake: 2200 kcal
    • BMR: 1600 kcal
    • Activity Level: Very active (1.725)
    • Steps per Mile: 2100
    • Calories per kg: 7700 kcal
  • Calculations:
    • TDEE = 1600 * 1.725 = 2760 kcal/day
    • Target Daily Calorie Deficit = (10 kg * 7700 kcal/kg) / ( (10 kg / 1 kg/week) * 7 days/week ) = 77000 kcal / (10 weeks * 7 days) = 77000 / 70 = 1100 kcal/day
    • Dietary Deficit = 2760 – 2200 = 560 kcal/day
    • Required Exercise Deficit = MAX(0, 1100 – 560) = 540 kcal/day
    • Estimated Calories per Mile = ~100 kcal (standard estimate)
    • Miles Needed per Day = 540 kcal / 100 kcal/mile = 5.4 miles
    • Daily Steps Needed = 5.4 miles * 2100 steps/mile = ~11,340 steps
    • Estimated Weeks to Goal = 10 kg / 1 kg/week = 10 weeks
  • Outputs:
    • Main Result: ~11,340 steps per day
    • Estimated Weekly Calorie Deficit: ~3780 kcal (540 kcal/day * 7 days)
    • Total Steps to Reach Goal: ~793,800 steps (11,340 steps/day * 7 days/week * 10 weeks)
    • Estimated Weeks to Reach Goal: 10 weeks

Interpretation: Mark needs to incorporate approximately 11,340 steps into his day to achieve his 10 kg weight loss goal in 10 weeks. This calculation assumes his diet and existing activity level remain constant, and the additional steps provide the necessary calorie burn.

How to Use This Walking Step Calculator to Lose Weight

Using the walking step calculator to lose weight is straightforward. Follow these steps to get your personalized daily step goal:

  1. Input Your Current Weight: Enter your body weight in kilograms (kg).
  2. Set Your Weight Loss Goal: Specify how many kilograms (kg) you aim to lose.
  3. Choose Desired Weekly Weight Loss: Select a sustainable rate (e.g., 0.5 kg, 1 kg, 1.5 kg per week). Faster rates require a larger calorie deficit.
  4. Enter Your Average Steps per Mile: This helps convert distance into steps. If unsure, use the default or estimate based on your stride.
  5. Input Calories per kg: The standard value is 7700 kcal, representing the energy in 1 kg of body fat.
  6. Specify Daily Calorie Intake: Enter your average daily calorie consumption.
  7. Input Your Basal Metabolic Rate (BMR): This is the energy your body burns at rest. You can find online BMR calculators if you don't know yours.
  8. Select Your Activity Level Multiplier: Choose the option that best describes your daily physical activity level outside of dedicated exercise.
  9. Click "Calculate Steps": The calculator will instantly display your results.

How to read results:

  • Main Result (Daily Steps Needed): This is your primary target. Aim to reach this number of steps each day through walking and other activities.
  • Estimated Weekly Calorie Deficit: Shows the calorie deficit you're projected to create weekly from exercise.
  • Total Steps to Reach Goal: A cumulative target for your entire weight loss journey.
  • Estimated Weeks to Reach Goal: Provides an estimated timeframe to achieve your weight loss objective.

Decision-making guidance: Use the results as a guideline. If the daily step count seems too high, consider adjusting your weight loss goal, increasing your calorie deficit through diet, or gradually increasing your activity level. Consistency is key. Remember to consult with a healthcare professional before starting any new weight loss program.

Key Factors That Affect Walking Step Calculator to Lose Weight Results

While the walking step calculator to lose weight provides a personalized estimate, several factors can influence the actual results:

  1. Metabolic Rate Variations: Individual metabolic rates differ due to genetics, age, sex, and muscle mass. A higher BMR means more calories burned at rest, potentially requiring fewer steps for the same deficit.
  2. Calorie Burn Accuracy: The calculator uses estimates for calories burned per step or mile. Factors like walking speed, incline, terrain (uphill vs. flat), and carrying weight can significantly alter actual calorie expenditure.
  3. Dietary Adherence: The calculator assumes your stated daily calorie intake is accurate and consistently maintained. Deviations from this intake directly impact the overall calorie deficit and weight loss progress.
  4. Muscle Mass vs. Fat Loss: Weight loss isn't solely fat. Muscle gain (especially if strength training) can offset fat loss on the scale, even if body composition improves. Steps primarily burn calories, contributing to fat loss.
  5. Non-Exercise Activity Thermogenesis (NEAT): This includes calories burned from daily activities outside of structured exercise, like fidgeting, standing, and walking around the office. Higher NEAT can contribute to a larger calorie deficit.
  6. Hydration and Sleep: Adequate water intake and quality sleep are crucial for metabolism and energy levels, indirectly affecting workout performance and calorie burn. Poor sleep can increase appetite and decrease motivation.
  7. Hormonal Factors: Hormones like cortisol, insulin, and thyroid hormones play a role in metabolism and fat storage. Conditions affecting these can impact weight loss efforts.
  8. Consistency and Duration: Achieving the target step count consistently over weeks and months is vital. Sporadic efforts will yield slower or no results. The duration of walks also matters; longer, steady-state walks are effective for calorie burn.

Frequently Asked Questions (FAQ)

Q1: How accurate is this walking step calculator to lose weight?

A: The calculator provides an estimate based on standard formulas and user inputs. Individual results can vary due to unique metabolic rates, walking efficiency, and adherence to diet and exercise plans. It's a valuable tool for guidance, not a precise prediction.

Q2: Can I lose weight just by walking, without changing my diet?

A: While walking burns calories and contributes to a deficit, significant and sustainable weight loss typically requires both increased physical activity and dietary adjustments. Relying solely on exercise to create a large deficit can be challenging and may not be sustainable.

Q3: What is a healthy daily step goal for weight loss?

A: For general health, 10,000 steps is often recommended. For weight loss, the goal is personalized. This calculator might suggest anywhere from 8,000 to 15,000+ steps depending on your specific targets and current habits.

Q4: How many calories does one step burn?

A: This varies greatly. A rough estimate is about 0.04 to 0.05 calories per step. This calculator uses a more indirect method based on calories burned per mile and steps per mile for a more practical estimate.

Q5: What if my BMR or activity level is different from the calculator's estimates?

A: The calculator uses standard formulas. For more precise results, use a personalized BMR calculation (e.g., Harris-Benedict or Mifflin-St Jeor equation) and honestly assess your activity level. You can adjust the inputs for a more tailored estimate.

Q6: Does walking speed affect the calorie burn?

A: Yes. Walking faster generally burns more calories per minute than walking slower, although the calorie burn per mile might be similar. Higher intensity can also improve cardiovascular health.

Q7: How long will it take to reach my goal?

A: The calculator provides an estimate based on your desired weekly loss rate. Factors like consistency, metabolic response, and adherence to diet can affect the actual timeframe. Sustainable weight loss is typically 0.5-1 kg per week.

Q8: Can I use this calculator if I'm already exercising?

A: Yes. The 'Activity Level Multiplier' accounts for general daily activity. If you have a structured exercise routine, ensure your chosen multiplier reflects your overall energy expenditure. The 'Required Exercise Deficit' calculation will then determine the additional steps needed.

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isValid &= validateInput('dailyCalorieIntake', 500, 5000, 'dailyCalorieIntakeError', 'Daily Calorie Intake'); isValid &= validateInput('bmr', 500, 5000, 'bmrError', 'Basal Metabolic Rate'); if (!isValid) { document.getElementById('results').style.display = 'none'; return; } var currentWeight = parseFloat(document.getElementById('currentWeight').value); var weightLossGoal = parseFloat(document.getElementById('weightLossGoal').value); var weeklyWeightLossRate = parseFloat(document.getElementById('weeklyWeightLossRate').value); var stepsPerMile = parseFloat(document.getElementById('stepsPerMile').value); var caloriesPerKg = parseFloat(document.getElementById('caloriesPerKg').value); var dailyCalorieIntake = parseFloat(document.getElementById('dailyCalorieIntake').value); var bmr = parseFloat(document.getElementById('bmr').value); var activityLevel = parseFloat(document.getElementById('activityLevel').value); // Calculations var totalCalorieDeficitNeeded = weightLossGoal * caloriesPerKg; var estimatedWeeksToGoal = weightLossGoal / weeklyWeightLossRate; var targetDailyCalorieDeficit = totalCalorieDeficitNeeded / (estimatedWeeksToGoal * 7); var tdee = bmr * activityLevel; var dietaryDeficit = tdee – dailyCalorieIntake; var requiredExerciseDeficit = Math.max(0, targetDailyCalorieDeficit – dietaryDeficit); // Simplified calorie burn per mile (common estimate) var caloriesPerMile = 100; var milesNeededPerDay = requiredExerciseDeficit / caloriesPerMile; var dailyStepsNeeded = milesNeededPerDay * stepsPerMile; var weeklyCalorieDeficit = requiredExerciseDeficit * 7; var totalStepsToGoal = dailyStepsNeeded * estimatedWeeksToGoal * 7; // Display Results document.getElementById('results').style.display = 'block'; document.getElementById('mainResult').textContent = Math.round(dailyStepsNeeded).toLocaleString(); document.getElementById('dailyStepsNeeded').innerHTML = 'Daily Steps Needed: ' + Math.round(dailyStepsNeeded).toLocaleString() + ' steps'; document.getElementById('weeklyCalorieDeficit').innerHTML = 'Estimated Weekly Calorie Deficit from Exercise: ' + Math.round(weeklyCalorieDeficit).toLocaleString() + ' kcal'; document.getElementById('totalStepsToGoal').innerHTML = 'Total Steps to Reach Goal: ' + Math.round(totalStepsToGoal).toLocaleString() + ' steps'; document.getElementById('estimatedWeeksToGoal').innerHTML = 'Estimated Weeks to Reach Goal: ' + estimatedWeeksToGoal.toFixed(1) + ' weeks'; // Update Table document.getElementById('tableCurrentWeight').textContent = currentWeight; document.getElementById('tableWeightLossGoal').textContent = weightLossGoal; document.getElementById('tableWeeklyLoss').textContent = weeklyWeightLossRate; document.getElementById('tableDailyIntake').textContent = dailyCalorieIntake; document.getElementById('tableTDEE').textContent = Math.round(tdee); document.getElementById('tableDailyDeficit').textContent = Math.round(targetDailyCalorieDeficit); document.getElementById('tableStepsPerMile').textContent = stepsPerMile; document.getElementById('tableDailySteps').textContent = Math.round(dailyStepsNeeded); document.getElementById('tableWeeksToGoal').textContent = estimatedWeeksToGoal.toFixed(1); // Update Chart updateChart(dailyStepsNeeded, requiredExerciseDeficit, weeklyWeightLossRate, estimatedWeeksToGoal); } function updateChart(dailySteps, exerciseDeficit, weeklyRate, weeksToGoal) { var ctx = document.getElementById('stepsChart').getContext('2d'); if (window.stepsChartInstance) { window.stepsChartInstance.destroy(); } var chartData = { labels: [], datasets: [{ label: 'Daily Steps Target', data: [], borderColor: '#004a99', backgroundColor: 'rgba(0, 74, 153, 0.1)', fill: false, yAxisID: 'y-steps', tension: 0.1 }, { label: 'Daily Exercise Calorie Deficit', data: [], borderColor: '#28a745', backgroundColor: 'rgba(40, 167, 69, 0.1)', fill: false, yAxisID: 'y-calories', tension: 0.1 }] }; var numDataPoints = Math.min(Math.max(10, Math.ceil(weeksToGoal * 7)), 50); // Show up to 50 days or ~7 weeks var stepsIncrement = dailySteps / numDataPoints; var deficitIncrement = exerciseDeficit / numDataPoints; for (var i = 0; i < numDataPoints; i++) { var day = i + 1; chartData.labels.push('Day ' + day); chartData.datasets[0].data.push(stepsIncrement * day); chartData.datasets[1].data.push(deficitIncrement * day); } window.stepsChartInstance = new Chart(ctx, { type: 'line', data: chartData, options: { responsive: true, maintainAspectRatio: false, scales: { x: { title: { display: true, text: 'Days Towards Goal' } }, y-steps: { type: 'linear', position: 'left', title: { display: true, text: 'Steps' }, ticks: { beginAtZero: true } }, y-calories: { type: 'linear', position: 'right', title: { display: true, text: 'Calories (kcal)' }, ticks: { beginAtZero: true }, grid: { drawOnChartArea: false, // only want the grid lines for one axis to show up } } }, plugins: { tooltip: { mode: 'index', intersect: false, }, legend: { position: 'top', } } } }); } function resetCalculator() { document.getElementById('currentWeight').value = 70; document.getElementById('weightLossGoal').value = 5; document.getElementById('weeklyWeightLossRate').value = 1; document.getElementById('stepsPerMile').value = 2000; document.getElementById('caloriesPerKg').value = 7700; document.getElementById('dailyCalorieIntake').value = 2000; document.getElementById('bmr').value = 1500; document.getElementById('activityLevel').value = 1.725; // Clear errors var errorElements = document.querySelectorAll('.error-message'); for (var i = 0; i < errorElements.length; i++) { errorElements[i].style.display = 'none'; } // Reset results display document.getElementById('mainResult').textContent = '–'; document.getElementById('dailyStepsNeeded').innerHTML = 'Daily Steps Needed: '; document.getElementById('weeklyCalorieDeficit').innerHTML = 'Estimated Weekly Calorie Deficit: kcal'; document.getElementById('totalStepsToGoal').innerHTML = 'Total Steps to Reach Goal: '; document.getElementById('estimatedWeeksToGoal').innerHTML = 'Estimated Weeks to Reach Goal: '; document.getElementById('tableCurrentWeight').textContent = '–'; document.getElementById('tableWeightLossGoal').textContent = '–'; document.getElementById('tableWeeklyLoss').textContent = '–'; document.getElementById('tableDailyIntake').textContent = '–'; document.getElementById('tableTDEE').textContent = '–'; document.getElementById('tableDailyDeficit').textContent = '–'; document.getElementById('tableStepsPerMile').textContent = '–'; document.getElementById('tableDailySteps').textContent = '–'; document.getElementById('tableWeeksToGoal').textContent = '–'; if (window.stepsChartInstance) { window.stepsChartInstance.destroy(); document.getElementById('stepsChart').getContext('2d').clearRect(0, 0, 100, 100); // Clear canvas } document.getElementById('results').style.display = 'none'; } function copyResults() { var mainResult = document.getElementById('mainResult').textContent; var dailySteps = document.getElementById('dailyStepsNeeded').textContent.replace('Daily Steps Needed: ', ").replace(' steps', "); var weeklyDeficit = document.getElementById('weeklyCalorieDeficit').textContent.replace('Estimated Weekly Calorie Deficit from Exercise: ', ").replace(' kcal', "); var totalSteps = document.getElementById('totalStepsToGoal').textContent.replace('Total Steps to Reach Goal: ', "); var weeksToGoal = document.getElementById('estimatedWeeksToGoal').textContent.replace('Estimated Weeks to Reach Goal: ', "); var assumptions = "Key Assumptions:\n"; assumptions += "- Current Weight: " + document.getElementById('currentWeight').value + " kg\n"; assumptions += "- Weight Loss Goal: " + document.getElementById('weightLossGoal').value + " kg\n"; assumptions += "- Desired Weekly Loss: " + document.getElementById('weeklyWeightLossRate').value + " kg/week\n"; assumptions += "- Daily Calorie Intake: " + document.getElementById('dailyCalorieIntake').value + " kcal\n"; assumptions += "- BMR: " + document.getElementById('bmr').value + " kcal\n"; assumptions += "- Activity Level: " + document.getElementById('activityLevel').options[document.getElementById('activityLevel').selectedIndex].text + "\n"; assumptions += "- Steps per Mile: " + document.getElementById('stepsPerMile').value + "\n"; assumptions += "- Calories per kg: " + document.getElementById('caloriesPerKg').value + "\n"; var textToCopy = "— Walking Step Goal Results —\n\n"; textToCopy += "Primary Goal:\n" + dailySteps + " steps per day\n\n"; textToCopy += "Key Projections:\n"; textToCopy += "- Estimated Weekly Calorie Deficit (from exercise): " + weeklyDeficit + " kcal\n"; textToCopy += "- Total Steps to Reach Goal: " + totalSteps + " steps\n"; textToCopy += "- Estimated Weeks to Reach Goal: " + weeksToGoal + "\n\n"; textToCopy += assumptions; navigator.clipboard.writeText(textToCopy).then(function() { alert('Results copied to clipboard!'); }, function(err) { console.error('Failed to copy: ', err); alert('Failed to copy results. Please copy manually.'); }); } // Initialize chart on load if needed, or wait for first calculation document.addEventListener('DOMContentLoaded', function() { // Optionally draw an empty chart or a default one updateChart(10000, 500, 1, 10); // Default values for initial chart display document.getElementById('results').style.display = 'none'; // Hide results initially }); // Add event listeners for input changes to update results in real-time var inputs = document.querySelectorAll('#calculatorForm input, #calculatorForm select'); for (var i = 0; i < inputs.length; i++) { inputs[i].addEventListener('input', calculateSteps); } // Also trigger on change for select elements document.getElementById('weeklyWeightLossRate').addEventListener('change', calculateSteps); document.getElementById('activityLevel').addEventListener('change', calculateSteps); // Add FAQ functionality var faqHeaders = document.querySelectorAll('.faq-item strong'); for (var i = 0; i < faqHeaders.length; i++) { faqHeaders[i].addEventListener('click', function() { var paragraph = this.nextElementSibling; if (paragraph.style.display === 'block') { paragraph.style.display = 'none'; } else { paragraph.style.display = 'block'; } }); // Initially hide paragraphs faqHeaders[i].nextElementSibling.style.display = 'none'; }

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