How Many Steps I Need to Lose Weight Calculator

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How Many Steps I Need to Lose Weight Calculator

Estimate your daily step goal to achieve weight loss by creating a consistent calorie deficit through walking.

Your Personalized Step Goal

Enter your weight in kilograms (kg).
Enter your height in centimeters (cm).
Enter your age in years.
Male Female
Sedentary (little to 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/week) Extra active (very hard exercise/sports & physical job or 2x training)
Enter your goal in kilograms (kg) per week (e.g., 0.5 kg).
Your average step length in centimeters (cm). (~70-75cm for adults)

Your Results

— steps
BMR: — kcal
TDEE: — kcal
Calorie Deficit Needed: — kcal/day
Steps per kg lost: — steps

Calculated based on Mifflin-St Jeor equation for BMR, TDEE adjusted for activity level, and a standard 7700 kcal per kg of body fat.

Results copied!
Daily Steps Goal Breakdown
Metric Value Unit
Basal Metabolic Rate (BMR) kcal/day
Total Daily Energy Expenditure (TDEE) kcal/day
Required Daily Calorie Deficit kcal/day
Weekly Weight Loss Goal kg/week
Steps per Kilogram Lost steps/kg
Estimated Daily Steps Target steps
Projected Weight Loss Over Time

What is a Steps to Lose Weight Calculator?

A steps to lose weight calculator is a specialized tool designed to help individuals estimate the number of daily steps they need to take to achieve a specific weight loss goal. It bridges the gap between general fitness advice and personalized action by quantifying physical activity requirements based on individual metrics and weight loss aspirations. Essentially, it translates a desired calorie deficit into a concrete walking target.

This calculator is for anyone looking to incorporate walking into their weight loss strategy. Whether you're a beginner starting your fitness journey, someone trying to maintain a healthy weight, or an experienced exerciser aiming for specific results, this tool provides a data-driven approach. It helps set realistic expectations and provides a clear, actionable plan.

Common misconceptions include believing that simply increasing steps guarantees weight loss without considering diet, or that a fixed number of steps works for everyone. This tool combats those myths by factoring in individual metabolism, activity levels, and personalized goals, offering a more accurate estimate of the steps needed to lose weight.

Steps to Lose Weight Calculator Formula and Mathematical Explanation

The core principle behind this calculator is creating a sustainable calorie deficit. Weight loss occurs when you consistently burn more calories than you consume. A widely accepted estimate is that approximately 7,700 kilocalories (kcal) are equivalent to one kilogram (kg) of body fat. Our calculator uses this principle, combined with metabolic rate estimations, to determine your daily step target.

Here's a step-by-step breakdown of the calculation:

  1. Calculate Basal Metabolic Rate (BMR): We use the Mifflin-St Jeor equation, considered one of the most accurate for estimating resting energy expenditure.
    • 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
  2. Calculate Total Daily Energy Expenditure (TDEE): This is your BMR multiplied by an activity factor that accounts for your general daily movements and exercise (excluding the steps goal itself).
    • TDEE = BMR × Activity Factor
    • Activity Factors: Sedentary (1.2), Lightly Active (1.375), Moderately Active (1.55), Very Active (1.725), Extra Active (1.9)
  3. Determine Required Daily Calorie Deficit: This is based on your desired weekly weight loss.
    • Calories per kg of fat = 7700 kcal
    • Required Weekly Deficit = Desired Weekly Weight Loss (kg) × 7700 kcal/kg
    • Required Daily Deficit = Required Weekly Deficit / 7 days
  4. Calculate Calorie Burn from Steps: While exact calorie burn from steps varies, a common estimate for walking is around 0.04 to 0.1 kcal per step per pound of body weight, or more simply, around 20-30 kcal per 1000 steps for an average adult. For our calculator's purpose, we estimate a simplified average burn rate relevant to achieving the deficit. A more direct approach is to determine how many steps are needed to contribute significantly to the deficit. A common proxy suggests ~100 steps per meter or ~3000 steps per mile. For simplicity, we'll focus on the deficit required and how many steps are needed to achieve it.
  5. Calculate Estimated Steps Target: The calculator aims to show the steps required to achieve the *deficit* through walking, assuming other caloric intake and expenditure remain constant.
    • Steps per kg lost = 7700 kcal / (Estimated kcal burned per step * steps per kg)
    • A simplified approach: Calculate the daily deficit (kcal/day) and estimate steps needed. A moderate pace burns roughly 100 steps per minute for many individuals, contributing a certain calorie amount. For the calculator's purpose, we approximate the steps needed to meet the daily deficit based on typical energy expenditure during walking. The calculator directly estimates the steps needed to cover the daily deficit by determining the total steps required to burn that many calories. A commonly used approximation suggests that an average person burns about 30-40 calories per 1000 steps.
    • Steps Target = (Required Daily Deficit in kcal / Estimated kcal burned per 1000 steps) × 1000
    • To make it more personalized: Steps per kg lost (approximated through deficit contribution) = 7700 / (Average kcal burned per step) Estimated Daily Steps Target = Required Daily Deficit / (Average kcal burned per step)
    • A more robust calculation for steps is: Estimated Steps Target = (Required Daily Deficit in kcal) / (Estimated Kcal Burned per Step) Where Estimated Kcal Burned per Step is derived from your TDEE minus BMR, and then distributed over a baseline number of steps. For this calculator, we use the average kcal burn per step derived from common fitness tracker data. A simplified approximation is: Steps Target = (Required Daily Deficit in kcal / Estimated kcal per 1000 steps) * 1000 Using 35 kcal per 1000 steps as an average: Steps Target = (Required Daily Deficit / 35) * 1000 Our calculator calculates steps per kg lost directly and then multiplies by the desired weekly loss to estimate the total steps needed for the deficit, then divides by 7 for daily. Steps per kg = 7700 / AverageKcalPerStep (approx 30-50 kcal per 1000 steps) Daily Steps = (Weight Loss Goal * 7700) / 7 / AverageKcalPerStep * 1000

The intermediate values show your metabolic baseline (BMR), your total daily energy needs (TDEE), and the specific calorie deficit you need to create daily to meet your weight loss goal. The main result provides the estimated daily steps required to achieve this deficit through walking.

Variable Explanations

Variable Meaning Unit Typical Range
Weight (kg) Your current body weight. Kilograms (kg) 30 – 200+ kg
Height (cm) Your standing height. Centimeters (cm) 120 – 200 cm
Age (years) Your current age. Years 1 – 100 years
Gender Biological sex, affecting metabolic calculations. Male / Female N/A
Activity Level Your general exercise frequency and intensity (excluding the specific steps goal). Categorical Sedentary to Extra Active
Weight Loss Goal (kg/week) Your desired rate of weight loss. Kilograms per week (kg/week) 0.1 – 2.0 kg/week
Stride Length (cm) The average distance covered by one step. Centimeters (cm) 50 – 100 cm
BMR Basal Metabolic Rate – calories burned at rest. kcal/day 1000 – 2500+ kcal/day
TDEE Total Daily Energy Expenditure – total calories burned daily. kcal/day 1500 – 3500+ kcal/day
Daily Calorie Deficit The number of calories you need to burn daily below your TDEE. kcal/day 250 – 1000+ kcal/day
Steps Target Estimated daily steps needed to achieve the calorie deficit. Steps 5,000 – 20,000+ steps

Practical Examples

Let's illustrate how the steps to lose weight calculator works with real-world scenarios:

Example 1: Sarah Aims for Moderate Weight Loss

Sarah is 35 years old, weighs 75 kg, and is 165 cm tall. She identifies as moderately active (exercises 3-5 days a week) and wants to lose 0.5 kg per week. Her average stride length is 65 cm.

  • Inputs: Weight: 75 kg, Height: 165 cm, Age: 35, Gender: Female, Activity Level: Moderately active, Weight Loss Goal: 0.5 kg/week, Stride Length: 65 cm.
  • Calculator Outputs:
    • BMR: Approximately 1450 kcal/day
    • TDEE: Approximately 2250 kcal/day (1450 * 1.55)
    • Required Daily Calorie Deficit: Approximately 385 kcal/day (0.5 kg/week * 7700 kcal/kg / 7 days)
    • Steps per kg lost: ~200,000 steps (based on ~38.5 kcal/1000 steps)
    • Estimated Daily Steps Target: Approximately 11,000 steps
  • Interpretation: To lose 0.5 kg per week, Sarah needs to create a daily deficit of about 385 kcal. The calculator suggests she needs to aim for around 11,000 steps daily, in addition to her existing moderately active lifestyle, to burn those extra calories through walking. This means her current daily non-exercise steps plus her workout steps need to total around 11,000 to meet this specific deficit goal.

Example 2: Mark Wants Significant Weight Loss

Mark is 45 years old, weighs 100 kg, and is 180 cm tall. He works a desk job (sedentary) but wants to increase his activity significantly. He aims for a more ambitious 1 kg weight loss per week. His average stride length is 80 cm.

  • Inputs: Weight: 100 kg, Height: 180 cm, Age: 45, Gender: Male, Activity Level: Sedentary, Weight Loss Goal: 1.0 kg/week, Stride Length: 80 cm.
  • Calculator Outputs:
    • BMR: Approximately 1750 kcal/day
    • TDEE: Approximately 2100 kcal/day (1750 * 1.2)
    • Required Daily Calorie Deficit: Approximately 1100 kcal/day (1.0 kg/week * 7700 kcal/kg / 7 days)
    • Steps per kg lost: ~160,000 steps (based on ~48 kcal/1000 steps)
    • Estimated Daily Steps Target: Approximately 15,700 steps
  • Interpretation: Mark's goal of losing 1 kg per week requires a substantial daily deficit of 1100 kcal. Since his baseline TDEE is relatively low due to his sedentary job, achieving this deficit primarily through walking requires a significant increase in steps, estimated at around 15,700 steps per day. This highlights the importance of both diet and increased activity for ambitious weight loss goals. Mark might also consider incorporating moderate exercise beyond walking to reach his goal more efficiently.

How to Use This Steps to Lose Weight Calculator

Using the steps to lose weight calculator is straightforward and designed for ease of use:

  1. Enter Your Personal Details: Input your current weight (kg), height (cm), age (years), and gender. These metrics are crucial for accurately calculating your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE).
  2. Select Your Activity Level: Choose the option that best describes your general activity level outside of the specific steps you plan to take for weight loss. This factor significantly impacts your TDEE.
  3. Set Your Weight Loss Goal: Specify how many kilograms you aim to lose per week. A safe and sustainable rate is typically between 0.5 kg and 1 kg per week.
  4. Input Your Stride Length: Provide your average stride length in centimeters. This helps in estimating the distance covered by your steps, though the primary calculation relies on calorie burn.
  5. Calculate: Click the "Calculate Steps" button.

Reading Your Results:

  • Main Result (Highlighted): This is your primary target – the estimated number of steps you should aim for daily to achieve your set weight loss goal.
  • Intermediate Values: These provide context: BMR (calories burned at rest), TDEE (total daily calorie burn), and the specific Daily Calorie Deficit needed. The "Steps per kg lost" gives a perspective on the volume of walking required for each kilogram of fat loss.
  • Table Breakdown: The table offers a detailed view of all calculated metrics, reinforcing the intermediate values and showing the final step target.
  • Chart: The visual representation helps you understand the projected weight loss trajectory over several weeks based on your target deficit.

Decision-Making Guidance:

  • Realistic Goals: If your target step count seems overwhelmingly high, consider adjusting your weekly weight loss goal to a more sustainable rate (e.g., 0.5 kg/week).
  • Holistic Approach: Remember that diet plays a significant role. To achieve your desired deficit, you may need to combine increased physical activity (walking) with mindful eating habits. Consult a healthcare professional or registered dietitian for personalized dietary advice.
  • Consistency is Key: Aim to hit your daily step goal consistently. Track your progress and adjust as needed. Small, consistent efforts lead to significant long-term results.
  • Listen to Your Body: If you're new to increased activity, start gradually and build up your step count to avoid injury.

Key Factors That Affect Steps to Lose Weight Calculator Results

While the steps to lose weight calculator provides a valuable estimate, several factors can influence your actual results:

  1. Accuracy of Calorie Burn Estimates: The calculator uses average estimates for calorie burn per step or per 1000 steps. Individual metabolism, walking intensity (speed, incline), and body composition (muscle vs. fat mass) can significantly alter how many calories you burn. For instance, a faster pace or walking uphill burns more calories than a leisurely stroll on flat ground.
  2. Dietary Intake: This is perhaps the most critical factor. The calculator focuses on the activity side of the energy balance equation. If your calorie intake exceeds your TDEE plus the deficit from walking, you won't lose weight. Conversely, if you create too large a deficit through diet and activity, you might lose weight too quickly, potentially losing muscle mass.
  3. Metabolic Adaptation: As you lose weight, your BMR and TDEE decrease. Your body becomes more efficient, meaning it might require fewer calories to perform the same activities. This can lead to a plateau, where weight loss slows down, and you may need to adjust your calorie deficit or activity level.
  4. Non-Exercise Activity Thermogenesis (NEAT): This refers to the calories burned from all physical activity that isn't formal exercise – fidgeting, walking around the office, standing, etc. NEAT can vary greatly between individuals and significantly impacts overall daily calorie expenditure. The calculator's "Activity Level" factor attempts to account for this, but individual variations exist.
  5. Muscle Mass: Muscle tissue burns more calories at rest than fat tissue. Individuals with higher muscle mass tend to have a higher BMR and TDEE, meaning they burn more calories throughout the day, which can influence weight loss rate.
  6. Sleep Quality and Stress Levels: Poor sleep and high stress can disrupt hormones that regulate appetite (ghrelin and leptin) and metabolism, potentially hindering weight loss efforts and increasing cravings for calorie-dense foods.
  7. Hydration: Adequate water intake is essential for metabolism and can sometimes be mistaken for hunger, potentially influencing calorie consumption.

Frequently Asked Questions (FAQ)

How accurate is the 'steps to lose weight calculator'?
The calculator provides an estimate based on standard formulas and averages. Factors like individual metabolism, exact calorie burn during walking (intensity, incline), and dietary adherence can cause actual results to vary. It's a powerful guide, not a definitive prediction.
Do I need to achieve this step count *in addition* to my current daily steps?
The "Estimated Daily Steps Target" represents your *total* daily steps goal to achieve the calculated deficit. If you already walk 5,000 steps daily, and the calculator suggests 10,000 steps, you need to add 5,000 more steps through intentional walking or activity.
What if my TDEE is lower than my target calorie deficit?
This scenario is unlikely for healthy weight loss goals (e.g., 0.5-1 kg/week). If your goal requires a deficit larger than your TDEE, it implies an unsustainable rate of loss or an underestimation of your TDEE. Always aim for safe deficit levels (typically 500-1000 kcal/day) and consult a professional if results seem unachievable.
Can I achieve my weight loss goal just by walking?
Yes, it's possible, especially for moderate weight loss goals. However, combining a balanced, calorie-controlled diet with walking is generally the most effective and sustainable approach. Relying solely on exercise without dietary changes can be challenging for significant weight loss.
How many calories does walking 10,000 steps burn?
This varies greatly. On average, a person might burn 30-50 calories per 1,000 steps, depending on weight, speed, and terrain. So, 10,000 steps could burn roughly 300-500 calories. The calculator refines this estimate based on your TDEE and deficit goals.
What if I have a medical condition?
Always consult with your doctor or a healthcare professional before starting any new diet or exercise program, especially if you have pre-existing health conditions. This calculator provides general information and is not a substitute for professional medical advice.
How does stride length affect the calculation?
Stride length primarily influences the distance covered for a given number of steps. While the calculator focuses more on the calorie deficit and estimated calorie burn per step, a longer stride means covering more distance (and potentially burning slightly more calories) for the same number of steps compared to a shorter stride.
Should I adjust my step goal as I lose weight?
Yes, ideally. As you lose weight, your BMR and TDEE decrease. To maintain the same rate of weight loss, you might need to slightly adjust your calorie intake or increase your daily steps to maintain the required deficit. Recalculating periodically is recommended.
What is the role of NEAT in weight loss?
NEAT (Non-Exercise Activity Thermogenesis) accounts for calories burned through daily movements like fidgeting, walking to the car, or standing. It can vary significantly and contribute substantially to overall daily calorie expenditure. Increasing NEAT, alongside dedicated step goals, can accelerate weight loss.
function validateInput(id, errorId, minValue, maxValue) { var input = document.getElementById(id); var errorElement = document.getElementById(errorId); var value = parseFloat(input.value); if (isNaN(value)) { errorElement.textContent = "Please enter a valid number."; return false; } if (value maxValue) { errorElement.textContent = "Value cannot exceed " + maxValue + "."; return false; } errorElement.textContent = ""; return true; } function calculateSteps() { var weightKg = parseFloat(document.getElementById('weightKg').value); var heightCm = parseFloat(document.getElementById('heightCm').value); var age = parseInt(document.getElementById('age').value); var gender = document.getElementById('gender').value; var activityLevel = document.getElementById('activityLevel').value; var weightLossGoal = parseFloat(document.getElementById('weightLossGoal').value); var strideLengthCm = parseFloat(document.getElementById('strideLengthCm').value); var valid = true; valid = validateInput('weightKg', 'weightKgError', 1) && valid; valid = validateInput('heightCm', 'heightCmError', 1) && valid; valid = validateInput('age', 'ageError', 1) && valid; valid = validateInput('weightLossGoal', 'weightLossGoalError', 0) && valid; valid = validateInput('strideLengthCm', 'strideLengthCmError', 1) && valid; if (!valid) { document.getElementById('mainResult').textContent = "– steps"; document.getElementById('bmrResult').querySelector('span').textContent = "– kcal"; document.getElementById('tdeeResult').querySelector('span').textContent = "– kcal"; document.getElementById('deficitResult').querySelector('span').textContent = "– kcal/day"; document.getElementById('stepsPerKg').querySelector('span').textContent = "– steps"; clearChart(); return; } var genderValue = (gender === 'male') ? 5 : -161; // Calculate BMR using Mifflin-St Jeor Equation var bmr = (10 * weightKg) + (6.25 * heightCm) – (5 * age) + genderValue; // Activity Factors var activityFactors = { 'sedentary': 1.2, 'light': 1.375, 'moderate': 1.55, 'very_active': 1.725, 'extra_active': 1.9 }; var tdee = bmr * activityFactors[activityLevel]; // Calculate Daily Calorie Deficit var kcalPerKgFat = 7700; var requiredWeeklyDeficit = weightLossGoal * kcalPerKgFat; var dailyCalorieDeficit = requiredWeeklyDeficit / 7; // Estimate steps based on calorie burn // Simplified: Assume average ~35 kcal burned per 1000 steps. This is a rough estimate. // More refined approach: Calorie burn per step depends on weight, speed, incline. // For this calculator, we'll use a general estimate and link deficit to steps. var kcalPer1000Steps = 35; // Average estimate var estimatedStepsPerKg = kcalPerKgFat / kcalPer1000Steps * 1000; // Total steps to burn 7700 kcal var dailyStepsTarget = 0; if (dailyCalorieDeficit > 0) { dailyStepsTarget = (dailyCalorieDeficit / kcalPer1000Steps) * 1000; } else { dailyStepsTarget = 0; // No steps needed if no deficit goal } // Display Results document.getElementById('mainResult').textContent = Math.round(dailyStepsTarget) + " steps"; document.getElementById('bmrResult').querySelector('span').textContent = Math.round(bmr) + " kcal"; document.getElementById('tdeeResult').querySelector('span').textContent = Math.round(tdee) + " kcal"; document.getElementById('deficitResult').querySelector('span').textContent = Math.round(dailyCalorieDeficit) + " kcal/day"; document.getElementById('stepsPerKg').querySelector('span').textContent = Math.round(estimatedStepsPerKg) + " steps"; // Update Table document.getElementById('tableBmr').textContent = Math.round(bmr); document.getElementById('tableTdee').textContent = Math.round(tdee); document.getElementById('tableDeficit').textContent = Math.round(dailyCalorieDeficit); document.getElementById('tableWeeklyLoss').textContent = weightLossGoal.toFixed(1); document.getElementById('tableStepsPerKg').textContent = Math.round(estimatedStepsPerKg); document.getElementById('tableStepsTarget').textContent = Math.round(dailyStepsTarget); // Update Chart updateChart(weightLossGoal, dailyCalorieDeficit, tdee); } function updateChart(weightLossGoalPerWeek, dailyCalorieDeficit, initialTdee) { var canvas = document.getElementById('weightLossChart'); var ctx = canvas.getContext('2d'); canvas.width = canvas.parentElement.offsetWidth – 40; // Adjust for padding canvas.height = 300; var weeks = 12; // Project for 12 weeks var projectedWeight = []; var cumulativeDeficit = []; var currentWeight = parseFloat(document.getElementById('weightKg').value); var kcalPerKgFat = 7700; var currentTdee = initialTdee; // simplified: TDEE doesn't change drastically week-to-week for this projection var stepsTarget = parseFloat(document.getElementById('mainResult').textContent.replace(/ steps/i, ")); // Estimate calories burned from steps var kcalPer1000Steps = 35; // Consistent with calculation var caloriesBurnedFromSteps = (stepsTarget / 1000) * kcalPer1000Steps; for (var i = 0; i <= weeks; i++) { var weeklyDeficit = (dailyCalorieDeficit + caloriesBurnedFromSteps) * 7; var weightLost = (weeklyDeficit / kcalPerKgFat); projectedWeight.push(currentWeight – weightLost); cumulativeDeficit.push(weeklyDeficit * i); currentWeight -= weightLost; if (currentWeight < 1) currentWeight = 1; // Prevent unrealistic negative weights } // Clear previous chart ctx.clearRect(0, 0, canvas.width, canvas.height); // Chart Data var labels = []; for (var j = 0; j <= weeks; j++) { labels.push("Week " + j); } var chartData = { labels: labels, datasets: [{ label: 'Projected Weight (kg)', data: projectedWeight, borderColor: 'var(–primary-color)', backgroundColor: 'rgba(0, 74, 153, 0.1)', fill: true, yAxisID: 'y1', tension: 0.1 }, { label: 'Cumulative Calorie Deficit (kcal)', data: cumulativeDeficit, borderColor: 'var(–success-color)', backgroundColor: 'rgba(40, 167, 69, 0.1)', fill: false, yAxisID: 'y2', hidden: true // Initially hidden, can be toggled }] }; // Chart Options var chartOptions = { responsive: true, maintainAspectRatio: false, scales: { x: { title: { display: true, text: 'Timeframe' } }, y1: { type: 'linear', position: 'left', title: { display: true, text: 'Weight (kg)' }, ticks: { beginAtZero: false // Allow axis to start non-zero } }, y2: { type: 'linear', position: 'right', title: { display: true, text: 'Cumulative Deficit (kcal)' }, ticks: { beginAtZero: true }, grid: { drawOnChartArea: false, // only want the grid lines for one axis to show up } } }, plugins: { legend: { position: 'top', }, title: { display: true, text: 'Weight Loss Projection & Calorie Deficit' } } }; // Custom Chart Rendering Logic (Pure JS & Canvas) function drawChart(data, options) { var chartWidth = canvas.width; var chartHeight = canvas.height; // Clear canvas ctx.clearRect(0, 0, chartWidth, chartHeight); // Margins var margin = {top: 30, right: 30, bottom: 50, left: 60}; var plotWidth = chartWidth – margin.left – margin.right; var plotHeight = chartHeight – margin.top – margin.bottom; // Find min/max for scales var minY1 = Math.min(…data.datasets[0].data); var maxY1 = Math.max(…data.datasets[0].data); var minY2 = Math.min(…data.datasets[1].data); var maxY2 = Math.max(…data.datasets[1].data); // Adjust scales to start slightly below min and end slightly above max if needed minY1 = Math.floor(minY1 * 0.95); maxY1 = Math.ceil(maxY1 * 1.05); minY2 = Math.floor(minY2 * 0.95); maxY2 = Math.ceil(maxY2 * 1.05); // Scale functions var xScale = function(index) { return margin.left + (index / data.labels.length) * plotWidth; }; var yScale1 = function(value) { return margin.top + plotHeight – ((value – minY1) / (maxY1 – minY1)) * plotHeight; }; var yScale2 = function(value) { return margin.top + plotHeight – ((value – minY2) / (maxY2 – minY2)) * plotHeight; }; // Draw Axes ctx.beginPath(); ctx.strokeStyle = '#ccc'; ctx.moveTo(margin.left, margin.top + plotHeight); ctx.lineTo(margin.left + plotWidth, margin.top + plotHeight); // X axis ctx.moveTo(margin.left, margin.top); ctx.lineTo(margin.left, margin.top + plotHeight); // Y1 axis ctx.stroke(); // Draw X Labels ctx.fillStyle = '#333'; ctx.textAlign = 'center'; ctx.textBaseline = 'top'; for (var i = 0; i < data.labels.length; i++) { ctx.fillText(data.labels[i], xScale(i) + plotWidth / data.labels.length / 2, margin.top + plotHeight + 10); } // Draw Y1 Labels and Ticks ctx.textAlign = 'right'; ctx.textBaseline = 'middle'; var y1TickCount = 5; for (var i = 0; i <= y1TickCount; i++) { var tickValue = minY1 + (maxY1 – minY1) * (i / y1TickCount); var tickY = yScale1(tickValue); ctx.fillText(tickValue.toFixed(0), margin.left – 10, tickY); ctx.beginPath(); ctx.moveTo(margin.left – 5, tickY); ctx.lineTo(margin.left, tickY); ctx.stroke(); } // Draw Y2 Labels and Ticks ctx.textAlign = 'left'; ctx.textBaseline = 'middle'; var y2TickCount = 5; for (var i = 0; i <= y2TickCount; i++) { var tickValue = minY2 + (maxY2 – minY2) * (i / y2TickCount); var tickY = yScale2(tickValue); ctx.fillText(tickValue.toFixed(0), margin.left + plotWidth + 10, tickY); ctx.beginPath(); ctx.moveTo(margin.left + plotWidth – 5, tickY); ctx.lineTo(margin.left + plotWidth, tickY); ctx.stroke(); } // Draw Data Series 1 (Weight) ctx.beginPath(); ctx.strokeStyle = data.datasets[0].borderColor; ctx.lineWidth = 2; for (var i = 0; i < data.datasets[0].data.length; i++) { var x = xScale(i) + plotWidth / data.labels.length / 2; var y = yScale1(data.datasets[0].data[i]); if (i === 0) { ctx.moveTo(x, y); } else { ctx.lineTo(x, y); } } ctx.stroke(); // Draw Data Series 2 (Deficit) – If not hidden if (!data.datasets[1].hidden) { ctx.beginPath(); ctx.strokeStyle = data.datasets[1].borderColor; ctx.lineWidth = 2; for (var i = 0; i margin.top / 2 – 15 && y margin.left + plotWidth – 70 && x < margin.left + plotWidth) { data.datasets[1].hidden = !data.datasets[1].hidden; drawChart(data, options); // Redraw chart } }; } drawChart(chartData, chartOptions); } function clearChart() { var canvas = document.getElementById('weightLossChart'); var ctx = canvas.getContext('2d'); ctx.clearRect(0, 0, canvas.width, canvas.height); } function resetForm() { document.getElementById('weightKg').value = "70"; document.getElementById('heightCm').value = "170"; document.getElementById('age').value = "30"; document.getElementById('gender').value = "male"; document.getElementById('activityLevel').value = "sedentary"; document.getElementById('weightLossGoal').value = "0.5"; document.getElementById('strideLengthCm').value = "70"; // Clear errors document.getElementById('weightKgError').textContent = ""; document.getElementById('heightCmError').textContent = ""; document.getElementById('ageError').textContent = ""; document.getElementById('weightLossGoalError').textContent = ""; document.getElementById('strideLengthCmError').textContent = ""; calculateSteps(); // Recalculate with defaults } function copyResults() { var mainResult = document.getElementById('mainResult').textContent; var bmr = document.getElementById('bmrResult').querySelector('span').textContent; var tdee = document.getElementById('tdeeResult').querySelector('span').textContent; var deficit = document.getElementById('deficitResult').querySelector('span').textContent; var stepsPerKg = document.getElementById('stepsPerKg').querySelector('span').textContent; var assumptions = [ "Weight: " + document.getElementById('weightKg').value + " kg", "Height: " + document.getElementById('heightCm').value + " cm", "Age: " + document.getElementById('age').value + " years", "Gender: " + document.getElementById('gender').value, "Activity Level: " + document.getElementById('activityLevel').value, "Weight Loss Goal: " + document.getElementById('weightLossGoal').value + " kg/week", "Stride Length: " + document.getElementById('strideLengthCm').value + " cm" ]; var textToCopy = "— Steps to Lose Weight Calculator Results —\n\n"; textToCopy += "Primary Goal: " + mainResult + "\n"; textToCopy += "BMR: " + bmr + "\n"; textToCopy += "TDEE: " + tdee + "\n"; textToCopy += "Required Daily Calorie Deficit: " + deficit + "\n"; textToCopy += "Steps per kg lost: " + stepsPerKg + "\n\n"; textToCopy += "— Key Assumptions —\n"; textToCopy += assumptions.join("\n") + "\n"; navigator.clipboard.writeText(textToCopy).then(function() { var copyMessage = document.getElementById('copyMessage'); copyMessage.style.display = 'block'; setTimeout(function() { copyMessage.style.display = 'none'; }, 2000); }).catch(function(err) { console.error('Failed to copy text: ', err); }); } // Initialize calculation on page load document.addEventListener('DOMContentLoaded', function() { calculateSteps(); // Add event listeners for input changes to update dynamically var inputs = document.querySelectorAll('.loan-calc-container input, .loan-calc-container select'); inputs.forEach(function(input) { input.addEventListener('input', calculateSteps); }); // Toggle FAQ answers var faqQuestions = document.querySelectorAll('.faq-question'); faqQuestions.forEach(function(question) { question.addEventListener('click', function() { this.classList.toggle('active'); var answer = this.nextElementSibling; if (answer.style.display === 'block') { answer.style.display = 'none'; } else { answer.style.display = 'block'; } }); }); });

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