Walking Steps Calculator for Weight Loss

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Walking Steps Calculator for Weight Loss

Estimate your daily step goal and calories burned to aid your weight loss journey.

Enter your current weight in kilograms.
Enter your height in centimeters.
Enter your age for more accurate calorie estimation.
Male Female Select your gender.
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) Choose the option that best describes your lifestyle.
Typical walking speed (e.g., 4.5-6.0 km/h).
How much weight do you aim to lose?
Over how many weeks do you plan to achieve this loss?

Your Personalized Goals

Daily Steps Needed
Target Calories Burned Per Day
Basal Metabolic Rate (BMR)
Total Daily Energy Expenditure (TDEE)
How it's calculated:

Your daily calorie deficit needed is (Target Weight Loss * 7700 kcal/kg) / Weeks to Reach Goal. Your Basal Metabolic Rate (BMR) is estimated using the Mifflin-St Jeor Equation. Total Daily Energy Expenditure (TDEE) = BMR * Activity Level Multiplier. Net calories to burn through walking = Daily Calorie Deficit – (TDEE – BMR). Estimated calories burned per hour of walking = (MET * 3.5 * Weight) / 200 * 60 (where MET for walking ~3.0-5.0 depending on speed). Daily Steps Needed = (Net calories to burn through walking / Calories burned per step). *Note: Calories burned per step is a rough estimate, often around 0.04-0.05 kcal per step for average stride.*

Estimated Calories Burned vs. Daily Step Goal

Comparison of estimated calories burned at different step counts and your required daily steps.

Key Variables and Their Impact

Variable Meaning Unit Typical Range Impact on Results
Weight Your current body weight. kg 40 – 150+ Higher weight burns more calories per step.
Height Your body height. cm 140 – 200+ Influences BMR calculation.
Age Your age. Years 18 – 80+ BMR generally decreases with age.
Gender Biological sex. N/A Male/Female Affects BMR due to body composition differences.
Activity Level Overall daily activity outside of planned exercise. Multiplier 1.2 – 1.9 Higher activity increases TDEE, affecting required deficit.
Walking Speed Pace of your walk. km/h 4.0 – 6.5 Faster speed burns more calories per unit time.
Target Weight Loss Desired weight reduction. kg 1 – 20+ Higher loss requires larger daily deficit.
Weeks to Reach Goal Timeframe for achieving weight loss. Weeks 1 – 52+ Shorter timeframe requires more aggressive deficit.

What is a Walking Steps Calculator for Weight Loss?

A walking steps calculator for weight loss is a specialized tool designed to help individuals quantify their physical activity needs in terms of daily steps to achieve a specific weight loss goal. It bridges the gap between general fitness advice and personalized actionable targets. By inputting key personal metrics such as weight, height, age, gender, and activity level, alongside desired weight loss parameters, the calculator estimates the number of steps you need to take each day. It also provides crucial intermediate figures like your Basal Metabolic Rate (BMR), Total Daily Energy Expenditure (TDEE), and the required daily calorie deficit. This walking steps calculator for weight loss empowers users with data-driven insights, making the often-daunting process of losing weight more manageable and trackable through consistent walking.

Who should use it? Anyone aiming to lose weight through increased physical activity, particularly walking, can benefit. This includes individuals new to fitness, those looking to incorporate more movement into their sedentary lifestyles, or experienced walkers seeking to optimize their routine for calorie expenditure. It's particularly useful for those who prefer a quantitative approach to fitness and want to understand the direct link between their daily steps and their weight management objectives.

Common misconceptions about using a walking steps calculator for weight loss include believing that simply hitting a step count guarantees weight loss without considering diet, or assuming a fixed number of steps (like 10,000) is universally optimal. This calculator helps clarify that the required steps are highly personalized and depend on multiple factors. Another misconception is that only strenuous exercise contributes to weight loss; walking, especially in sufficient volume, is a highly effective and sustainable method.

Walking Steps Calculator for Weight Loss Formula and Mathematical Explanation

The core of the walking steps calculator for weight loss lies in translating a desired weight loss outcome into a daily step target. This involves several key metabolic and activity calculations.

Step 1: Calculate Target Daily Calorie Deficit The fundamental principle of weight loss is consuming fewer calories than the body expends. Approximately 7700 kilocalories (kcal) are equivalent to 1 kilogram of body fat.

  • Total Calorie Deficit Needed = Target Weight Loss (kg) * 7700 kcal/kg
  • Daily Calorie Deficit = Total Calorie Deficit Needed / Weeks to Reach Goal

Step 2: Estimate Basal Metabolic Rate (BMR) BMR is the number of calories your body burns at rest to maintain basic functions. The Mifflin-St Jeor equation is commonly used:

  • For Men: BMR = (10 * weight in kg) + (6.25 * height in cm) – (5 * age in years) + 5
  • For Women: BMR = (10 * weight in kg) + (6.25 * height in cm) – (5 * age in years) – 161

Step 3: Calculate Total Daily Energy Expenditure (TDEE) TDEE accounts for your BMR plus the calories burned through daily activities and exercise.

  • TDEE = BMR * Activity Level Multiplier

Step 4: Determine Net Calories to Burn Through Walking This is the portion of your total daily deficit that needs to be achieved specifically through walking, assuming your dietary intake covers your TDEE minus this deficit.

  • Net Calories to Burn via Walking = Daily Calorie Deficit – (TDEE – BMR)
  • *Note: If (TDEE – BMR) is greater than the Daily Calorie Deficit, it implies your basal and general activity levels already create a sufficient deficit, and minimal additional walking is needed to hit the goal if diet is controlled.*

Step 5: Estimate Calories Burned Per Hour of Walking This estimation uses the Metabolic Equivalent of Task (MET) value. Walking at ~5 km/h has a MET value of approximately 3.5 to 4.0. A common formula is:

  • Calories Burned per Hour ≈ (MET * 3.5 * Weight in kg) / 200 * 60
  • *We use 60 minutes for an hour.*

Step 6: Estimate Calories Burned Per Step This is an approximation. An average stride burns roughly 0.04 to 0.05 kcal.

  • Calories Burned Per Step ≈ (Calories Burned per Hour / 60 minutes) / Average Steps Per Minute
  • *Average Steps Per Minute ≈ Walking Speed (km/h) * 1000 m/km / 60 min/hr / Stride Length (meters per step)* *Simplified approach: Use an average kcal/step value, e.g., 0.045 kcal/step.*

Step 7: Calculate Daily Steps Needed Finally, divide the net calories needed from walking by the estimated calories burned per step.

  • Daily Steps Needed = Net Calories to Burn via Walking / Calories Burned Per Step

Variables Table:

Variable Meaning Unit Typical Range
Weight Current body weight. kg 40 – 150+
Height Body height. cm 140 – 200+
Age User's age. Years 18 – 80+
Gender Biological sex. N/A Male/Female
Activity Level Overall daily non-exercise activity. Multiplier 1.2 (Sedentary) – 1.9 (Extra Active)
Walking Speed Average pace during walks. km/h 4.0 – 6.5
Target Weight Loss Desired amount of weight to lose. kg 1 – 20+
Weeks to Reach Goal Timeframe for achieving weight loss. Weeks 1 – 52+

Practical Examples (Real-World Use Cases)

Let's explore how the walking steps calculator for weight loss works with concrete examples:

Example 1: Sarah, aiming for moderate weight loss

Sarah weighs 65 kg, is 165 cm tall, 35 years old, and identifies as female. She leads a moderately active life (Activity Level: 1.55). She wants to lose 4 kg over 8 weeks. She typically walks at a comfortable pace of 5 km/h.

  • Inputs: Weight: 65 kg, Height: 165 cm, Age: 35, Gender: Female, Activity Level: 1.55, Walking Speed: 5 km/h, Target Weight Loss: 4 kg, Weeks: 8.
  • Calculated Results:
    • Daily Calorie Deficit needed: (4 kg * 7700 kcal/kg) / 8 weeks = 3850 kcal/day.
    • BMR (approximate): (10*65) + (6.25*165) – (5*35) – 161 = 650 + 1031.25 – 175 – 161 = 1345.25 kcal.
    • TDEE (approximate): 1345.25 * 1.55 = 2085 kcal.
    • Net Calories to Burn via Walking: 3850 – (2085 – 1345.25) = 3850 – 739.75 = 3110.25 kcal.
    • Calories Burned per Hour Walking (~5 km/h): (3.8 * 3.5 * 65) / 200 * 60 ≈ 256 kcal/hour.
    • Steps per Hour (approx. @ 5 km/h): ~6000 steps/hour.
    • Calories Burned per Step: ~256 kcal/hour / 6000 steps/hour ≈ 0.043 kcal/step.
    • Daily Steps Needed: 3110.25 kcal / 0.043 kcal/step ≈ 72,331 steps.
  • Interpretation: Sarah needs to aim for approximately 72,331 steps daily to achieve her goal, primarily through walking, in addition to maintaining her current TDEE. This is a high number, indicating that a significant portion of her calorie deficit will need to come from diet or a combination of increased walking and potentially some shorter, more intense exercise bursts. The calculator highlights the substantial effort required for significant weight loss solely through walking.

Example 2: Mark, maintaining fitness with increased steps

Mark weighs 80 kg, is 180 cm tall, 40 years old, and identifies as male. He is very active (Activity Level: 1.725). He isn't aiming for significant weight loss but wants to increase his daily step count to maintain his current weight and improve cardiovascular health, targeting an extra 500 kcal burn per day via walking.

  • Inputs: Weight: 80 kg, Height: 180 cm, Age: 40, Gender: Male, Activity Level: 1.725, Walking Speed: 5.5 km/h, Target Deficit (from walking): 500 kcal/day. (Weeks input is less critical here for the primary calculation, but needed for calculator logic, set to 1).
  • Calculated Results:
    • Daily Calorie Deficit from Walking: 500 kcal.
    • BMR (approximate): (10*80) + (6.25*180) – (5*40) + 5 = 800 + 1125 – 200 + 5 = 1730 kcal.
    • TDEE (approximate): 1730 * 1.725 = 2984 kcal.
    • Net Calories to Burn via Walking: 500 kcal (as requested).
    • Calories Burned per Hour Walking (~5.5 km/h): (4.0 * 3.5 * 80) / 200 * 60 ≈ 336 kcal/hour.
    • Steps per Hour (approx. @ 5.5 km/h): ~6600 steps/hour.
    • Calories Burned per Step: ~336 kcal/hour / 6600 steps/hour ≈ 0.051 kcal/step.
    • Daily Steps Needed: 500 kcal / 0.051 kcal/step ≈ 9,804 steps.
  • Interpretation: Mark needs to incorporate roughly 9,804 steps into his day to burn an additional 500 kcal, aiding in weight maintenance and cardiovascular health. This is a much more achievable target, demonstrating how the calculator adjusts based on the specific goal (maintenance vs. loss). It confirms that adding around 10,000 steps is a reasonable target for a significant calorie burn for someone of his size and walking speed.

How to Use This Walking Steps Calculator for Weight Loss

Using the walking steps calculator for weight loss is straightforward and designed for ease of use. Follow these simple steps to get your personalized daily step goal:

  1. Enter Your Personal Details: Accurately input your current weight (in kg), height (in cm), age (in years), and select your gender. These are crucial for calculating your metabolic rate.
  2. Define Your Activity Level: Choose the option that best reflects your typical daily physical activity outside of planned exercise. This multiplier significantly impacts your TDEE.
  3. Specify Walking Pace: Enter your average walking speed in kilometers per hour (km/h). A faster pace burns more calories in less time.
  4. Set Your Weight Loss Goal: Input the total amount of weight (in kg) you aim to lose and the number of weeks you plan to achieve this goal over. If you're not aiming for weight loss but rather maintenance or increased activity, you can adjust the target deficit accordingly (e.g., aim for 300-500 kcal burned per day).
  5. Click "Calculate My Goals": Once all fields are filled, press the calculate button.

How to read results:

  • Primary Highlighted Result (Daily Steps Needed): This is your main target. Aim to achieve this number of steps daily consistently.
  • Intermediate Values (BMR, TDEE, Target Calories Burned Per Day): These provide context. Your BMR is your resting burn rate, TDEE is your total daily burn, and the Target Calories Burned Per Day shows the specific deficit you're aiming for.
  • Formula Explanation: Understand the underlying calculations to see how the results are derived.
  • Chart and Table: Visualize the relationship between steps and calories, and review the impact of different variables.

Decision-making guidance: If the calculated daily steps seem overwhelmingly high, it suggests that achieving your weight loss goal solely through walking might be challenging without dietary adjustments. Consider:

  • Adjusting your timeline: Spreading the weight loss over more weeks will reduce the required daily deficit and steps.
  • Dietary changes: Even a small reduction in daily calorie intake (e.g., 200-300 kcal) can significantly lower the number of steps required.
  • Increasing intensity: Incorporating some jogging or interval training can burn calories more efficiently than steady walking.
  • Revising your goal: Setting a more modest weight loss goal might be more realistic.
For weight maintenance or general fitness, the "Daily Steps Needed" can be interpreted as the number of steps required to create the specified calorie burn *in addition* to your TDEE.

Key Factors That Affect Walking Steps Calculator for Weight Loss Results

Several factors influence the accuracy and outcome of a walking steps calculator for weight loss. Understanding these nuances helps in setting realistic expectations:

  • Body Composition: While weight is used, the ratio of muscle to fat mass affects metabolic rate. Muscle burns more calories at rest than fat. The calculator uses general formulas that might not perfectly capture individual body compositions.
  • Metabolic Efficiency: Individuals have varying metabolic rates beyond what standard formulas predict due to genetics, hormonal factors, and overall health.
  • Walking Cadence and Stride Length: The calculator often uses an average for steps per minute or calories per step. Actual stride length varies based on height, speed, and individual biomechanics. A longer stride might cover more ground with fewer steps but burn calories differently.
  • Terrain and Incline: Walking uphill or on uneven terrain significantly increases calorie expenditure compared to walking on a flat, smooth surface. The calculator typically assumes flat terrain.
  • Environmental Factors: Extreme temperatures (hot or cold) can affect how many calories your body burns for thermoregulation, potentially altering total energy expenditure.
  • Muscle Soreness and Fatigue: Recovery and muscle repair also consume calories. Intense or prolonged walking sessions can lead to DOMS (Delayed Onset Muscle Soreness), which requires energy for recovery.
  • Dietary Intake Consistency: Crucially, the calculator assumes you are managing your calorie intake to achieve the target deficit. If dietary intake is not controlled, increasing steps alone might not lead to the desired weight loss.
  • Sleep Quality and Stress Levels: Poor sleep and high stress can negatively impact hormones regulating appetite and metabolism (like cortisol and ghrelin), potentially hindering weight loss efforts even with increased steps.

Frequently Asked Questions (FAQ)

1. Is 10,000 steps a day enough for weight loss?

10,000 steps is a popular goal, but whether it's "enough" for weight loss depends entirely on your individual calorie balance. For some, it might create a sufficient deficit, especially when combined with dietary control. For others, particularly larger individuals or those with very sedentary lifestyles, it might not be enough on its own. Our calculator helps determine a more personalized target based on your specific goals.

2. How many calories does walking 10,000 steps burn?

On average, walking 10,000 steps can burn between 300 to 500 calories. This varies significantly based on your weight, walking speed, terrain, and individual metabolism. A heavier person walking at a faster pace will burn more calories than a lighter person walking slowly.

3. Can I lose weight just by walking?

Yes, you can lose weight just by walking, provided you create a consistent calorie deficit. Walking increases your calorie expenditure. However, for significant weight loss, it's often most effective when combined with a healthy, calorie-controlled diet. Relying solely on walking might require a very high daily step count, which can be challenging to sustain.

4. How does walking speed affect calorie burn?

Faster walking speed increases the intensity (MET value) of the activity, leading to a higher calorie burn per minute. So, walking 5 km/h burns more calories than walking 3 km/h in the same amount of time. The calculator accounts for this by allowing you to input your average walking speed.

5. What is the difference between BMR and TDEE?

BMR (Basal Metabolic Rate) is the minimum number of calories your body needs to function at rest (e.g., breathing, circulation). TDEE (Total Daily Energy Expenditure) includes your BMR plus all the calories burned through physical activity, digestion, and other daily tasks. TDEE represents your total daily calorie burn.

6. Is the calculator accurate for everyone?

The calculator provides an estimate based on widely accepted formulas. Individual metabolic rates, body compositions, and responses to exercise can vary. It serves as an excellent guide and starting point, but for precise measurements, professional assessments might be needed.

7. What if my TDEE is already less than my target daily deficit?

This scenario typically occurs if your activity level is very high or your target weight loss is aggressive over a short period. It indicates that your current lifestyle already burns a significant number of calories. In such cases, the calculator might suggest a very high step count. It's often advisable to focus on sustainable goals, ensure adequate nutrient intake, and potentially consult a healthcare professional or registered dietitian.

8. How often should I update my details in the calculator?

You should update your details whenever your weight changes significantly, or if you drastically alter your activity level. As you lose weight, your BMR and TDEE will decrease, meaning you may need fewer steps to achieve the same deficit. Regularly recalculating ensures your goals remain relevant and achievable.

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Let's stick to the formula's intent: // "Net calories to burn through walking = Daily Calorie Deficit – (TDEE – BMR)" is a bit tricky. // A more practical approach: We need to burn `dailyCalorieDeficit` *more* than our baseline maintenance (TDEE). // Let's refine: The goal is to achieve a daily deficit. If we assume diet covers part of it, // the remaining must come from exercise. The prompt asks for steps for *weight loss*, implying the deficit must be met. // The MOST direct interpretation: We need `dailyCalorieDeficit` additional calories burned per day. // Let's use a simpler, more direct approach for clarity: // Target total daily expenditure to achieve deficit = TDEE + dailyCalorieDeficit // Calories to burn via walking = (TDEE + dailyCalorieDeficit) – TDEE = dailyCalorieDeficit. // So, the Net Calories to Burn via Walking IS the dailyCalorieDeficit IF we assume diet covers exactly TDEE. // BUT, the prompt says "Net calories to burn through walking = Daily Calorie Deficit – (TDEE – BMR)". // This implies that the calories burned from general activity (TDEE – BMR) already contribute to the deficit. // So, the additional deficit needed *specifically from dedicated walking* is: var netCaloriesFromWalking = dailyCalorieDeficit – (tdee – bmr); // If netCaloriesFromWalking is negative, it means TDEE – BMR already exceeds the required daily deficit. // In this case, we assume the goal is met without extra focused walking effort for calorie burn. netCaloriesFromWalking = Math.max(0, netCaloriesFromWalking); // Estimate calories burned per hour of walking // MET for brisk walking (5 km/h) is around 3.5-4.0. Let's use 3.8 for 5 km/h. var met = 3.0 + (walkingSpeedKmh – 4.0) * 0.4; // Rough estimation for MET based on speed met = Math.max(3.0, Math.min(5.0, met)); // Clamp MET between 3.0 and 5.0 var caloriesPerHourWalking = (met * 3.5 * weightKg) / 200 * 60; caloriesPerHourWalking = Math.max(0, caloriesPerHourWalking); var caloriesPerStep = 0; if (caloriesPerHourWalking > 0) { // Assuming ~100 steps per minute for 5 km/h walking var stepsPerMinute = walkingSpeedKmh * 1000 / 60; // approx steps/min stepsPerMinute = Math.max(80, Math.min(130, stepsPerMinute)); // Clamp steps/min caloriesPerStep = (caloriesPerHourWalking / 60) / stepsPerMinute; } caloriesPerStep = Math.max(0.01, caloriesPerStep); // Ensure it's a small positive number var dailyStepsNeeded = 0; if (caloriesPerStep > 0) { dailyStepsNeeded = netCaloriesFromWalking / caloriesPerStep; } dailyStepsNeeded = Math.round(dailyStepsNeeded); // Update display primaryResult.innerText = dailyStepsNeeded.toLocaleString(); caloriesPerKgDisplay.innerText = Math.round(dailyCalorieDeficit).toLocaleString(); bmrValueDisplay.innerText = Math.round(bmr).toLocaleString(); tdeeValueDisplay.innerText = Math.round(tdee).toLocaleString(); resultsSection.style.display = 'block'; updateChart(dailyStepsNeeded, weightKg, netCaloriesFromWalking); } function updateChart(targetSteps, currentWeightKg, targetDeficitKcal) { var canvas = getElement('walkingStepsChart'); var ctx = canvas.getContext('2d'); // Clear previous chart if it exists if (chart) { chart.destroy(); } // Calculate data points for the chart // Let's show calorie burn for different step counts and the target var stepsData = [0, 2000, 4000, 6000, 8000, 10000, 12000, targetSteps]; var caloriesBurnedData = []; // Use average calories per step for this calculation for consistency var caloriesPerStepForChart = 0.045; // Re-using average, can be made dynamic // Recalculate calories per step based on the inputs used in the calculator if available var weightKgInput = getElement('weightKg'); var walkingSpeedInput = getElement('walkingSpeed'); var weightKg = parseFloat(weightKgInput.value); var walkingSpeedKmh = parseFloat(walkingSpeedInput.value); var met = 3.0 + (walkingSpeedKmh – 4.0) * 0.4; met = Math.max(3.0, Math.min(5.0, met)); var caloriesPerHourWalking = (met * 3.5 * weightKg) / 200 * 60; caloriesPerHourWalking = Math.max(0, caloriesPerHourWalking); if (caloriesPerHourWalking > 0) { var stepsPerMinute = walkingSpeedKmh * 1000 / 60; stepsPerMinute = Math.max(80, Math.min(130, stepsPerMinute)); caloriesPerStepForChart = (caloriesPerHourWalking / 60) / stepsPerMinute; caloriesPerStepForChart = Math.max(0.01, caloriesPerStepForChart); } stepsData.forEach(function(steps) { var kcalBurned = steps * caloriesPerStepForChart; caloriesBurnedData.push(kcalBurned); }); // Add target line if targetSteps is significant var targetLineY = targetDeficitKcal; chart = new Chart(ctx, { type: 'line', data: { labels: stepsData.map(function(s) { return s.toLocaleString(); }), datasets: [{ label: 'Estimated Calories Burned Per Day', data: caloriesBurnedData, borderColor: 'var(–primary-color)', backgroundColor: 'rgba(0, 74, 153, 0.2)', fill: true, tension: 0.1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { x: { title: { display: true, text: 'Daily Steps' } }, y: { title: { display: true, text: 'Kilocalories (kcal)' }, beginAtZero: true, // Add a horizontal line for the target deficit afterBuildTicks: function(chart) { var yScale = chart.scales['y']; if (yScale.min targetLineY) { chart.chart.config.options.plugins = chart.chart.config.options.plugins || {}; chart.chart.config.options.plugins.annotation = { annotations: [{ type: 'line', mode: 'horizontal', scaleID: 'y', value: targetLineY, borderColor: 'var(–success-color)', borderWidth: 2, label: { content: 'Target Daily Deficit: ' + targetLineY.toLocaleString() + ' kcal', enabled: true, position: 'end', backgroundColor: 'rgba(0,0,0,0.6)', color: 'white' } }] }; } } } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || "; if (label) { label += ': '; } if (context.parsed.y !== null) { label += Math.round(context.parsed.y) + ' kcal'; } return label; } } } } } }); // Ensure annotation plugin is loaded if using it if (typeof ChartAnnotation !== 'undefined') { Chart.register(ChartAnnotation); } } function resetCalculator() { getElement('weightKg').value = '70'; getElement('heightCm').value = '170'; getElement('age').value = '30'; getElement('gender').value = 'male'; getElement('activityLevel').value = '1.375'; // Lightly Active getElement('walkingSpeed').value = '5'; getElement('weightLossGoalKg').value = '5'; getElement('weeksToReachGoal').value = '10'; // Clear errors getElement('weightKgError').innerText = "; getElement('weightKgError').classList.remove('visible'); getElement('weightKg').style.borderColor = '#ccc'; getElement('heightCmError').innerText = "; getElement('heightCmError').classList.remove('visible'); getElement('heightCm').style.borderColor = '#ccc'; getElement('ageError').innerText = "; getElement('ageError').classList.remove('visible'); getElement('age').style.borderColor = '#ccc'; getElement('walkingSpeedError').innerText = "; getElement('walkingSpeedError').classList.remove('visible'); getElement('walkingSpeed').style.borderColor = '#ccc'; getElement('weightLossGoalKgError').innerText = "; getElement('weightLossGoalKgError').classList.remove('visible'); getElement('weightLossGoalKg').style.borderColor = '#ccc'; getElement('weeksToReachGoalError').innerText = "; getElement('weeksToReachGoalError').classList.remove('visible'); getElement('weeksToReachGoal').style.borderColor = '#ccc'; getElement('resultsSection').style.display = 'none'; // Clear chart if (chart) { chart.destroy(); chart = null; } } function copyResults() { var primaryResultText = getElement('primaryResult').innerText; var dailyStepsNeeded = primaryResultText === '–' ? 'N/A' : primaryResultText + ' steps'; var targetCalories = getElement('caloriesPerKg').getElementsByTagName('span')[0].innerText; var bmr = getElement('bmrValue').getElementsByTagName('span')[0].innerText; var tdee = getElement('tdeeValue').getElementsByTagName('span')[0].innerText; var assumptions = [ 'Weight: ' + getElement('weightKg').value + ' kg', 'Height: ' + getElement('heightCm').value + ' cm', 'Age: ' + getElement('age').value, 'Gender: ' + getElement('gender').value, 'Activity Level: ' + getElement('activityLevel').options[getElement('activityLevel').selectedIndex].text, 'Walking Speed: ' + getElement('walkingSpeed').value + ' km/h', 'Target Weight Loss: ' + getElement('weightLossGoalKg').value + ' kg', 'Weeks to Reach Goal: ' + getElement('weeksToReachGoal').value ]; var copyText = "— Walking Steps Goal for Weight Loss —\n\n"; copyText += "Primary Goal:\n" + dailyStepsNeeded + "\n\n"; copyText += "Key Metrics:\n"; copyText += " – Target Daily Calorie Deficit: " + targetCalories + " kcal\n"; copyText += " – Basal Metabolic Rate (BMR): " + bmr + " kcal\n"; copyText += " – Total Daily Energy Expenditure (TDEE): " + tdee + " kcal\n\n"; copyText += "Assumptions:\n"; assumptions.forEach(function(item) { copyText += "- " + item + "\n"; }); // Use a temporary textarea to copy text var textArea = document.createElement("textarea"); textArea.value = copyText; textArea.style.position = "fixed"; textArea.style.left = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'Results copied successfully!' : 'Failed to copy results.'; console.log(msg); // Optionally show a temporary message to the user alert(msg); } catch (err) { console.error('Unable to copy results.', err); alert('Failed to copy results.'); } document.body.removeChild(textArea); } // Initial calculation on load if inputs have default values document.addEventListener('DOMContentLoaded', function() { // Check if default values exist and trigger calculation if (getElement('weightKg').value && getElement('heightCm').value && getElement('age').value && getElement('walkingSpeed').value && getElement('weightLossGoalKg').value && getElement('weeksToReachGoal').value) { calculateSteps(); } });

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