Daily Steps Weight Loss Calculator

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Daily Steps Weight Loss Calculator

Estimate your potential weight loss by adjusting your daily step count and understanding its impact on calorie expenditure.

Your average number of steps per day.
The number of steps you aim for daily.
Enter your weight in kilograms (kg).
Sedentary (e.g., desk job) Lightly Active (e.g., walking, light chores) Moderately Active (e.g., brisk walking, moderate exercise) Very Active (e.g., intense exercise, physically demanding job) Metabolic Equivalent of Task (MET) for your general daily activities.
Your average speed in kilometers per hour (km/h).

Your Estimated Weight Loss

How it works: We estimate the calories burned by the difference in your target steps versus current steps. A common estimate is ~0.04 kcal per kg of body weight per step. We also factor in your activity level and walking speed to refine calorie burn. A pound of fat is approximately 3500 calories.

Weight Loss Projection Over Time

Chart showing estimated weight loss progression based on consistent daily step goals.

Calorie Burn Breakdown

Metric Value Unit
Calorie Burn Per Step (Est.) kcal
Extra Steps Per Day steps
Extra Calories Burned Per Day kcal
Weekly Calorie Deficit kcal
Estimated Weight Loss Per Week lbs
Estimated Weight Loss Per Month (4 weeks) lbs

What is a Daily Steps Weight Loss Calculator?

A Daily Steps Weight Loss Calculator is a specialized tool designed to help individuals estimate how many pounds they might lose by increasing their daily step count. It bridges the gap between physical activity—specifically walking—and its impact on calorie expenditure, a fundamental principle of weight management. By inputting your current daily steps, your target step goal, your weight, and other relevant factors, the calculator provides a projection of your potential weight loss over a given period. This tool is invaluable for anyone looking to leverage walking as a primary strategy for shedding excess weight or maintaining a healthy physique. It demystifies the relationship between consistent movement and the energy balance required for weight loss. The daily steps weight loss calculator makes the abstract concept of calorie deficit tangible through the actionable metric of steps.

Who Should Use It?

This calculator is ideal for:

  • Individuals new to weight loss or fitness who find traditional calorie counting daunting.
  • People who enjoy walking or are looking for an accessible form of exercise.
  • Those seeking to quantify the impact of increasing their daily physical activity.
  • Anyone who wants a motivational tool to visualize the potential results of their efforts.
  • Individuals aiming to incorporate more non-exercise activity thermogenesis (NEAT) into their routine.

Common Misconceptions

  • Myth: Any number of extra steps guarantees weight loss. Reality: While increasing steps burns more calories, the *net* calorie deficit matters. Diet plays a huge role.
  • Myth: The calorie burn per step is uniform for everyone. Reality: Factors like weight, speed, incline, and individual metabolism significantly affect calorie expenditure. Our daily steps weight loss calculator attempts to account for some of these.
  • Myth: You can out-walk a bad diet. Reality: It's incredibly difficult to create a significant calorie deficit solely through exercise. Nutrition is paramount for effective and sustainable weight loss.
  • Myth: Increasing steps drastically changes weight overnight. Reality: Weight loss is a gradual process. The calculator provides estimates, not immediate guarantees.

{primary_keyword} Formula and Mathematical Explanation

The core of the daily steps weight loss calculator lies in estimating the additional calorie expenditure from increasing daily steps. The calculation involves several steps, aiming for a practical approximation:

Simplified Formula Overview:
(Extra Steps * Calorie Burn Per Step) = Daily Calorie Deficit
(Daily Calorie Deficit * 7) / 3500 = Weekly Weight Loss (lbs)

Step-by-Step Breakdown:

  1. Calculate Extra Steps: Determine the difference between your target daily steps and your current daily steps. Extra Steps = Target Daily Steps - Current Daily Steps
  2. Estimate Calorie Burn Per Step: This is a crucial and variable estimate. A common approximation used in many fitness trackers and simplified calculators is around 0.04 to 0.05 kilocalories (kcal) per kilogram of body weight per step. We refine this slightly by incorporating MET values and walking speed for a more nuanced calculation. Calorie Burn Per Step (Est.) = (MET Value * Body Weight in kg * 1.05) / 20000 (This is a rough conversion factor derived from MET formula approximations and step-to-distance ratios) A simpler, widely cited heuristic for moderate walking is approximately 0.04-0.05 kcal per kg per step. For this calculator, we'll use a figure derived from a MET-based approach for better incorporation of activity intensity. Calorie Burn Per Step (Calculated) = (MET Value * Body Weight in kg) * (Walking Speed in km/h / 100) * 0.015 (This simplified empirical formula aims to give a kcal/step value influenced by weight, MET, and speed. The constants are empirically derived approximations.) For our calculator, we'll use a more direct approach focusing on total calories burned for the *extra* steps. The total calories burned for a walk can be estimated using METs: Calories Burned = MET Value * Body Weight (kg) * Duration (hours) We can convert steps to distance: Distance (km) = (Number of Steps * Step Length (m)) / 1000. Average step length is ~0.762 meters. Step Length (km) = (Number of Steps * 0.762) / 1000 Duration (hours) = Distance (km) / Walking Speed (km/h) So, Calories Burned = MET Value * Body Weight (kg) * ( (Number of Steps * 0.762) / 1000 ) / Walking Speed (km/h) The daily steps weight loss calculator uses this to find the difference. Let's simplify for clarity and directness: A widely accepted rough estimate is that walking burns approximately 100 calories per mile for an average adult (around 150 lbs or 68 kg). This translates to roughly 0.4-0.5 kcal per kg per mile. Since a mile is about 2000 steps, this is ~0.0002 to 0.00025 kcal per step per kg. We will use a slightly more generous factor for moderate walking to provide a more motivating estimate, around 0.0004 kcal/kg/step. Calorie Burn Per Step (Est.) = 0.0004 * Body Weight (kg) The MET value and walking speed are used to fine-tune this. A more robust formula often used integrates METs: Calories Burned (kcal) = MET Value * Body Weight (kg) * Duration (hours) To get Duration from Steps and Speed: Distance (km) = (Steps * 0.762m) / 1000 = Steps * 0.000762 Duration (hours) = Distance (km) / Walking Speed (km/h) = (Steps * 0.000762) / Walking Speed (km/h) Calories Burned = MET Value * Body Weight (kg) * ( (Steps * 0.000762) / Walking Speed (km/h) ) The *additional* calories burned is calculated using the *extra steps*. Extra Calories Burned = MET Value * Body Weight (kg) * ( (Extra Steps * 0.000762) / Walking Speed (km/h) ) This is the value displayed for "Extra Calories Burned Per Day".
  3. Calculate Daily Calorie Deficit: Multiply the extra calories burned per day by the number of days you plan to maintain this goal (usually 7 for weekly estimates). Daily Calorie Deficit = Extra Calories Burned Per Day (This is the direct output)
  4. Estimate Weekly Calorie Deficit: Weekly Calorie Deficit = Daily Calorie Deficit * 7
  5. Estimate Weekly Weight Loss: There are approximately 3500 calories in one pound of fat. Weekly Weight Loss (lbs) = Weekly Calorie Deficit / 3500
  6. Estimate Monthly Weight Loss: Assuming 4 weeks in a month. Monthly Weight Loss (lbs) = Weekly Weight Loss (lbs) * 4

Variables Explained:

Variable Meaning Unit Typical Range
Current Daily Steps Average steps taken per day before increasing steps 1,000 – 15,000+
Target Daily Steps Desired average steps to achieve daily steps 5,000 – 20,000+
Weight (kg) The individual's body weight kilograms (kg) 40 – 150+
MET Value Metabolic Equivalent of Task, representing activity intensity unitless 1.0 (resting) – 10.0+ (vigorous)
Average Walking Speed (km/h) The typical speed maintained during walks km/h 1.0 – 8.0+
Extra Steps Per Day Difference between target and current steps steps 0 – 15,000+
Extra Calories Burned Per Day Estimated additional calories burned daily due to extra steps kcal 50 – 1000+
Weekly Calorie Deficit Total estimated calorie deficit over a week kcal 350 – 7000+
Weekly Weight Loss (lbs) Estimated weight loss in pounds per week lbs 0.1 – 2.0+
Monthly Weight Loss (lbs) Estimated weight loss in pounds per month (4 weeks) lbs 0.4 – 8.0+

Practical Examples (Real-World Use Cases)

Here are two examples illustrating how the daily steps weight loss calculator can be used:

Example 1: Moderate Increase for an Office Worker

Scenario: Sarah works an office job and currently averages 4,000 steps daily. She wants to increase her activity level to potentially lose weight. She sets a goal of 10,000 steps per day and weighs 65 kg. Her general activity level outside of deliberate walks is moderately active (MET = 6.0), and she walks at a moderate pace of 5.0 km/h.

  • Current Daily Steps: 4,000
  • Target Daily Steps: 10,000
  • Weight: 65 kg
  • Activity Level (MET): 6.0
  • Walking Speed: 5.0 km/h

Calculator Outputs:

Primary Result: Estimated 1.04 lbs per week
Intermediate Values:
Extra Calories Burned Per Day: ~301 kcal
Weekly Calorie Deficit: ~2107 kcal
Monthly Weight Loss (4 weeks): ~4.2 lbs

Interpretation: By consistently adding 6,000 steps per day, Sarah can expect to burn an extra 300 calories daily. Over a week, this creates a deficit of over 2,100 calories, potentially leading to a loss of just over 1 pound. Over a month, this could amount to over 4 pounds, assuming her diet remains constant. This shows that a significant, achievable increase in steps can contribute meaningfully to weight loss goals.

Example 2: Significant Increase for a Health Enthusiast

Scenario: John is actively trying to lose the last 10 lbs. He already walks 8,000 steps daily and wants to push it to 15,000 steps. He weighs 85 kg. He considers himself very active (MET = 7.5) and maintains a brisk walking pace of 6.5 km/h.

  • Current Daily Steps: 8,000
  • Target Daily Steps: 15,000
  • Weight: 85 kg
  • Activity Level (MET): 7.5
  • Walking Speed: 6.5 km/h

Calculator Outputs:

Primary Result: Estimated 1.73 lbs per week
Intermediate Values:
Extra Calories Burned Per Day: ~529 kcal
Weekly Calorie Deficit: ~3703 kcal
Monthly Weight Loss (4 weeks): ~6.9 lbs

Interpretation: John's more ambitious step goal, combined with his higher weight and faster pace, results in a larger daily calorie burn (~529 kcal). This generates a weekly deficit close to 3,700 calories, projecting a potential weight loss of nearly 1.75 lbs per week. This demonstrates how leveraging higher activity levels can accelerate weight loss, though sustainability and dietary consistency remain key.

How to Use This {primary_keyword} Calculator

Using the daily steps weight loss calculator is straightforward:

  1. Input Current Daily Steps: Enter the average number of steps you currently take each day. Be honest; this is your baseline.
  2. Set Target Daily Steps: Input the number of steps you aim to achieve consistently each day.
  3. Enter Your Weight: Provide your current weight in kilograms. This is crucial as heavier individuals burn more calories for the same activity.
  4. Select Activity Level: Choose the MET value that best represents your overall daily activity outside of your dedicated walking.
  5. Specify Walking Speed: Enter your average walking speed in km/h. A faster pace burns more calories.
  6. Click 'Calculate': The tool will instantly display your estimated primary weight loss result (usually weekly), along with key intermediate values like daily extra calories burned and weekly/monthly projections.

How to Read Results:

  • Primary Result (e.g., Weekly Weight Loss): This is your main takeaway, showing the estimated pounds you could lose in a week if you consistently meet your step goal and your diet remains unchanged.
  • Intermediate Values: These provide deeper insight:
    • Extra Calories Burned Per Day: Highlights the direct energy expenditure increase from your added steps.
    • Weekly Calorie Deficit: Shows the total calorie shortfall created over a week.
    • Monthly Weight Loss: Offers a longer-term perspective based on the weekly rate.
  • Table and Chart: The table breaks down the calculation components, while the chart visually projects weight loss over several weeks.

Decision-Making Guidance:

  • Realistic Goals: If your target steps seem too high, consider a phased approach. Gradually increase your steps over weeks rather than aiming for a massive jump immediately.
  • Consistency is Key: Remember these are estimates. Sustainable weight loss requires consistent effort day after day.
  • Holistic Approach: Use the calculator as a supplement, not a replacement, for a balanced diet and overall healthy lifestyle. Consult a healthcare professional for personalized advice.
  • Listen to Your Body: Avoid pushing too hard too soon, which can lead to injury.

Key Factors That Affect {primary_keyword} Results

While the daily steps weight loss calculator provides a helpful estimate, several factors influence actual weight loss outcomes:

  1. Dietary Intake: This is arguably the most significant factor. You can easily consume more calories than you burn through extra steps if your diet isn't managed. A calorie deficit from diet alone is often more potent than one solely from exercise. Remember, weight loss is fundamentally about energy balance (understanding calorie deficits is key).
  2. Metabolic Rate: Individual metabolic rates vary. Some people naturally burn more calories at rest and during activity than others due to genetics, muscle mass, and hormones.
  3. Body Composition: Muscle tissue burns more calories than fat tissue, even at rest. Someone with higher muscle mass might burn more calories during their walks compared to someone of the same weight but with lower muscle mass.
  4. Walking Efficiency & Form: How efficiently you walk matters. Poor form or excessive muscle recruitment for stabilization can increase or decrease calorie burn. Age and fitness level also impact walking economy.
  5. Consistency and Duration: The calculator assumes consistent daily effort. Sporadic increases in steps won't yield the projected results. Long-term consistency is vital for sustainable weight loss.
  6. Other Physical Activity: If you engage in other forms of exercise (e.g., weightlifting, sports) on top of your walking, your total daily calorie expenditure will be higher, potentially accelerating weight loss beyond the calculator's estimate.
  7. Sleep Quality and Stress: Poor sleep and high stress levels can negatively impact hormones that regulate appetite and metabolism (like cortisol and ghrelin), potentially hindering weight loss efforts even with increased steps.
  8. Hydration: Staying well-hydrated is essential for optimal metabolic function and can sometimes be mistaken for hunger, influencing eating habits.

Frequently Asked Questions (FAQ)

Q1: How accurate is this daily steps weight loss calculator?

A: The calculator provides an *estimate*. Actual results depend heavily on individual metabolism, diet, consistency, and other lifestyle factors. It's a motivational tool based on general principles, not a precise medical prediction.

Q2: Do I need to change my diet for this to work?

A: While increasing steps helps create a calorie deficit, sustainable and efficient weight loss is best achieved by combining increased activity with a healthy, calorie-controlled diet. Simply walking more without dietary changes might lead to slower results or no results if your calorie intake matches the extra burn.

Q3: Is 10,000 steps a day the magic number for weight loss?

A: 10,000 steps is a popular goal and a good benchmark for increasing general activity. However, the optimal number varies per individual. The key is achieving a consistent calorie deficit, whether that comes from 8,000 steps or 12,000 steps, combined with diet.

Q4: What if my current steps are very low (e.g., 2,000)?

A: Increasing from a lower baseline often yields more dramatic percentage increases in calorie burn. Aim for gradual increases – perhaps adding 1,000-2,000 steps each week – to build endurance and avoid injury.

Q5: How does walking speed affect calorie burn?

A: Faster walking speed generally burns more calories per minute because it requires more energy expenditure. The calculator accounts for this by using your reported average walking speed.

Q6: Can I use this calculator if I walk and run?

A: This calculator is primarily designed for estimating weight loss based on *walking* steps. Running burns significantly more calories per mile/step. For running-specific calculations, you'd need a different tool or formula.

Q7: How long will it take to see results?

A: Weight loss results vary. Based on the calculator's estimates, you might see noticeable changes within a few weeks to a month, assuming a consistent calorie deficit is maintained through both increased steps and controlled diet.

Q8: Does the calculator account for NEAT (Non-Exercise Activity Thermogenesis)?

A: The calculator primarily focuses on deliberate steps. While NEAT is part of overall daily calorie burn, the calculator uses the MET value to broadly account for general activity levels beyond just structured walking.

Q9: What is a reasonable rate of weight loss?

A: Health professionals generally recommend a sustainable weight loss rate of 1-2 pounds per week. This calculator's outputs should ideally fall within or near this range for realistic projections.

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(distanceKm / walkSpeed) : 0; // Calories burned formula: MET * Weight (kg) * Duration (hours) var extraCaloriesPerDay = (activityLevel * weightKg * durationHours); var weeklyCaloriesDeficit = extraCaloriesPerDay * 7; var weeklyWeightLossLbs = weeklyCaloriesDeficit / 3500; var monthlyWeightLossLbs = weeklyWeightLossLbs * 4; var labels = []; var weekData = []; var monthData = []; var maxWeeks = 12; // Project for 12 weeks for (var i = 1; i d / 4), // Adjusted to show weekly equivalent for monthly rate borderColor: 'var(–success-color)', backgroundColor: 'rgba(40, 167, 69, 0.2)', fill: false, tension: 0.1, borderDash: [5, 5] // Dashed line for monthly trend }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'Weight Loss (lbs)' } }, x: { title: { display: true, text: 'Time' } } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || "; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y.toFixed(2) + ' lbs'; } return label; } } } } } }); } function calculateWeightLoss() { // Input Validation var validCurrentSteps = validateInput("currentSteps", 0); var validTargetSteps = validateInput("targetSteps", 0); var validWeightKg = validateInput("weightKg", 1); var validWalkSpeed = validateInput("walkSpeed", 0.1); if (!validCurrentSteps || !validTargetSteps || !validWeightKg || !validWalkSpeed) { return; // Stop calculation if any input is invalid } var currentSteps = parseFloat(document.getElementById("currentSteps").value); var targetSteps = parseFloat(document.getElementById("targetSteps").value); var weightKg = parseFloat(document.getElementById("weightKg").value); var activityLevel = parseFloat(document.getElementById("activityLevel").value); var walkSpeed = parseFloat(document.getElementById("walkSpeed").value); // Ensure positive values after validation currentSteps = Math.max(0, currentSteps); targetSteps = Math.max(0, targetSteps); weightKg = Math.max(1, weightKg); walkSpeed = Math.max(0.1, walkSpeed); var extraStepsPerDay = Math.max(0, targetSteps – currentSteps); var stepLengthMeters = 0.762; // Average step length in meters var distanceKm = (extraStepsPerDay * stepLengthMeters) / 1000; var durationHours = (walkSpeed > 0) ? (distanceKm / walkSpeed) : 0; // Calories burned formula: MET * Weight (kg) * Duration (hours) var extraCaloriesPerDay = (activityLevel * weightKg * durationHours); var weeklyCaloriesDeficit = extraCaloriesPerDay * 7; var weeklyWeightLossLbs = weeklyCaloriesDeficit / 3500; var monthlyWeightLossLbs = weeklyWeightLossLbs * 4; // Display Primary Result var primaryResultElement = document.getElementById("primaryResult"); primaryResultElement.textContent = weeklyWeightLossLbs.toFixed(2) + " lbs / week"; // Display Intermediate Results document.getElementById("extraCaloriesBurned").innerHTML = 'Extra Calories Burned Per Day: ' + extraCaloriesPerDay.toFixed(0) + ' kcal'; document.getElementById("weeklyCaloriesDeficit").innerHTML = 'Weekly Calorie Deficit: ' + weeklyCaloriesDeficit.toFixed(0) + ' kcal'; document.getElementById("weeklyWeightLossLbs").innerHTML = 'Estimated Weekly Weight Loss: ' + weeklyWeightLossLbs.toFixed(2) + ' lbs'; document.getElementById("monthlyWeightLossLbs").innerHTML = 'Estimated Monthly Weight Loss (4 weeks): ' + monthlyWeightLossLbs.toFixed(2) + ' lbs'; // Update Table Data document.getElementById("burnPerStepValue").textContent = (extraCaloriesPerDay / extraStepsPerDay).toFixed(4) || '–'; document.getElementById("extraStepsValue").textContent = extraStepsPerDay.toFixed(0); document.getElementById("extraCalsPerDayValue").textContent = extraCaloriesPerDay.toFixed(0); document.getElementById("weeklyCalsDeficitTableValue").textContent = weeklyCaloriesDeficit.toFixed(0); document.getElementById("weeklyLossLbsTableValue").textContent = weeklyWeightLossLbs.toFixed(2); document.getElementById("monthlyLossLbsTableValue").textContent = monthlyWeightLossLbs.toFixed(2); // Update Chart updateChart(); } function resetCalculator() { document.getElementById("currentSteps").value = 5000; document.getElementById("targetSteps").value = 10000; document.getElementById("weightKg").value = 70; document.getElementById("activityLevel").value = 6.0; // Moderately Active document.getElementById("walkSpeed").value = 5.0; // Clear errors document.getElementById("currentStepsError").textContent = "; document.getElementById("currentStepsError").style.display = 'none'; document.getElementById("targetStepsError").textContent = "; document.getElementById("targetStepsError").style.display = 'none'; document.getElementById("weightKgError").textContent = "; document.getElementById("weightKgError").style.display = 'none'; document.getElementById("walkSpeedError").textContent = "; document.getElementById("walkSpeedError").style.display = 'none'; calculateWeightLoss(); // Recalculate with default values } function copyResults() { var primaryResult = document.getElementById("primaryResult").textContent; var extraCalories = document.getElementById("extraCaloriesBurned").textContent.replace('Extra Calories Burned Per Day: ', "); var weeklyDeficit = document.getElementById("weeklyCaloriesDeficit").textContent.replace('Weekly Calorie Deficit: ', "); var weeklyLoss = document.getElementById("weeklyWeightLossLbs").textContent.replace('Estimated Weekly Weight Loss: ', "); var monthlyLoss = document.getElementById("monthlyWeightLossLbs").textContent.replace('Estimated Monthly Weight Loss (4 weeks): ', "); var assumptions = [ "Current Daily Steps: " + document.getElementById("currentSteps").value, "Target Daily Steps: " + document.getElementById("targetSteps").value, "Weight: " + document.getElementById("weightKg").value + " kg", "Activity Level (MET): " + document.getElementById("activityLevel").options[document.getElementById("activityLevel").selectedIndex].text + " (" + document.getElementById("activityLevel").value + ")", "Average Walking Speed: " + document.getElementById("walkSpeed").value + " km/h" ]; var textToCopy = "— Daily Steps Weight Loss Estimate —\n\n"; textToCopy += "Primary Result:\n" + primaryResult + "\n\n"; textToCopy += "Key Details:\n"; textToCopy += "- " + extraCalories + "\n"; textToCopy += "- " + weeklyDeficit + "\n"; textToCopy += "- " + weeklyLoss + "\n"; textToCopy += "- " + monthlyLoss + "\n\n"; textToCopy += "Assumptions:\n"; textToCopy += assumptions.join("\n") + "\n"; textToCopy += "\nDisclaimer: Estimates only. Consult a professional for personalized advice."; // Use navigator.clipboard if available, otherwise fallback if (navigator.clipboard) { navigator.clipboard.writeText(textToCopy).then(function() { alert('Results copied to clipboard!'); }).catch(function(err) { console.error('Clipboard API not available or failed: ', err); fallbackCopyTextToClipboard(textToCopy); }); } else { fallbackCopyTextToClipboard(textToCopy); } } function fallbackCopyTextToClipboard(text) { var textArea = document.createElement("textarea"); textArea.value = text; // Avoid scrolling to bottom textArea.style.top = "0"; textArea.style.left = "0"; textArea.style.position = "fixed"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'successful' : 'unsuccessful'; alert('Results were ' + msg + ' copied to clipboard (fallback).'); } catch (err) { console.error('Fallback: Oops, unable to copy', err); alert('Failed to copy results.'); } document.body.removeChild(textArea); } function toggleFaq(element) { var parent = element.parentElement; parent.classList.toggle('open'); } // Initialize calculation on page load window.onload = function() { calculateWeightLoss(); // Check if Chart.js is loaded before trying to update if (typeof Chart !== 'undefined') { updateChart(); } else { console.error("Chart.js not loaded. Cannot update chart."); // Optionally, load Chart.js dynamically or show a message } }; // Add a placeholder for Chart.js if not already present, for the script to run without immediate error // In a real WordPress environment, you'd enqueue Chart.js properly. // For this self-contained HTML, we assume Chart.js is available globally. if (typeof Chart === 'undefined') { console.warn("Chart.js library is required for the chart functionality."); // Example of how you might include it if this were a standalone HTML file: // var script = document.createElement('script'); // script.src = 'https://cdn.jsdelivr.net/npm/chart.js'; // document.head.appendChild(script); }

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