body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: #f4f7f6;
color: #333;
line-height: 1.6;
margin: 0;
padding: 20px;
}
.loan-calc-container {
max-width: 700px;
margin: 30px auto;
background-color: #ffffff;
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
padding: 30px;
border: 1px solid #e0e0e0;
}
h1, h2 {
color: #004a99;
text-align: center;
margin-bottom: 20px;
}
.input-group {
margin-bottom: 20px;
display: flex;
flex-direction: column;
}
.input-group label {
margin-bottom: 8px;
font-weight: bold;
color: #555;
}
.input-group input[type="number"],
.input-group input[type="range"] {
padding: 12px;
border: 1px solid #ccc;
border-radius: 5px;
font-size: 1rem;
transition: border-color 0.3s ease;
}
.input-group input[type="number"]:focus,
.input-group input[type="range"]:focus {
border-color: #004a99;
outline: none;
}
.btn-calculate {
display: block;
width: 100%;
padding: 15px;
background-color: #28a745;
color: white;
border: none;
border-radius: 5px;
font-size: 1.2rem;
font-weight: bold;
cursor: pointer;
transition: background-color 0.3s ease, transform 0.2s ease;
margin-top: 10px;
}
.btn-calculate:hover {
background-color: #218838;
transform: translateY(-2px);
}
.result-container {
margin-top: 30px;
padding: 20px;
background-color: #e9ecef;
border-radius: 5px;
text-align: center;
border: 1px solid #d3d9df;
}
.result-container h2 {
margin-bottom: 15px;
color: #004a99;
}
#caloriesBurned {
font-size: 2.5rem;
font-weight: bold;
color: #004a99;
}
.article-section {
margin-top: 40px;
background-color: #ffffff;
padding: 30px;
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
border: 1px solid #e0e0e0;
}
.article-section h2 {
color: #004a99;
text-align: left;
margin-bottom: 20px;
}
.article-section p, .article-section ul, .article-section li {
color: #555;
margin-bottom: 15px;
}
.article-section ul {
padding-left: 20px;
}
.article-section li {
margin-bottom: 10px;
}
.highlight {
font-weight: bold;
color: #004a99;
}
/* Responsive adjustments */
@media (max-width: 600px) {
.loan-calc-container {
padding: 20px;
}
h1 {
font-size: 1.8rem;
}
.btn-calculate {
font-size: 1rem;
}
.result-container #caloriesBurned {
font-size: 2rem;
}
}
Understanding Calories Burned While Walking
Walking is a highly accessible and effective form of exercise for burning calories, improving cardiovascular health, and managing weight. The number of calories you burn while walking depends on several factors, primarily your body weight, the distance you cover, and the intensity (speed and duration) of your walk.
This calculator provides an estimate of the calories burned based on commonly used metabolic formulas. It helps you quantify the energy expenditure of your walking activity, aiding in fitness tracking and weight management goals.
The Science Behind the Calculation
The estimation for calories burned during walking often relies on the concept of Metabolic Equivalents (METs). A MET is a physiological measure of the energy cost of physical activities. One MET is defined as the energy expenditure of sitting quietly.
A simplified formula to estimate calories burned per minute is:
Calories Burned Per Minute = (MET value * body weight in kg * 3.5) / 200
To get the total calories burned for a walk, you multiply the calories burned per minute by the total duration of the walk in minutes.
The MET value for walking varies with speed:
- Casual walking (e.g., 3.2 km/h or 2 mph): ~2.0 METs
- Moderate pace walking (e.g., 4.8 km/h or 3 mph): ~3.5 METs
- Brisk walking (e.g., 6.4 km/h or 4 mph): ~5.0 METs
For this calculator, we'll use an approximate MET value derived from the speed (distance/duration). If the user inputs duration and distance, we can infer speed.
Inferred Speed and METs:
Speed (km/h) = Distance (km) / (Duration (minutes) / 60)
- Speed < 4 km/h (approx): METs ≈ 2.0 (Casual)
- 4 km/h <= Speed < 5.5 km/h (approx): METs ≈ 3.5 (Moderate)
- Speed >= 5.5 km/h (approx): METs ≈ 5.0 (Brisk)
The total calories burned is then:
Total Calories Burned = Calories Burned Per Minute * Duration (minutes)
How to Use This Calculator
1. Enter Your Weight: Input your current weight in kilograms (kg).
2. Enter Distance: Input the total distance you walked in kilometers (km).
3. Enter Duration: Input how long you walked in minutes.
4. Click Calculate: The calculator will estimate the total calories you have burned.
Factors Affecting Accuracy
This calculator provides an estimation. Actual calorie burn can be influenced by:
- Terrain (inclines, declines, uneven surfaces)
- Environmental factors (temperature, wind)
- Individual metabolism and fitness level
- Carrying extra weight (backpack, etc.)
Despite these variables, this tool offers a valuable way to track your activity and understand your energy expenditure during walking workouts.
Example Calculation
Let's consider an individual who weighs 75 kg, walked a distance of 4 km in 60 minutes.
- Weight: 75 kg
- Distance: 4 km
- Duration: 60 minutes
- Inferred Speed: 4 km / (60/60) hours = 4 km/h. This falls into the moderate pace category, so we'll use a MET value of approximately 3.5.
- Calories Burned Per Minute: (3.5 METs * 75 kg * 3.5) / 200 ≈ 4.59 calories/minute
- Total Calories Burned: 4.59 calories/minute * 60 minutes ≈ 275 calories
This individual would have burned approximately 275 calories during their 60-minute walk.
function calculateCalories() {
var weight = parseFloat(document.getElementById("weight").value);
var distance = parseFloat(document.getElementById("distance").value);
var duration = parseFloat(document.getElementById("duration").value);
var caloriesBurnedDisplay = document.getElementById("caloriesBurned");
// Clear previous results
caloriesBurnedDisplay.innerHTML = "–";
// Input validation
if (isNaN(weight) || weight <= 0) {
alert("Please enter a valid weight (in kg).");
return;
}
if (isNaN(distance) || distance <= 0) {
alert("Please enter a valid distance (in km).");
return;
}
if (isNaN(duration) || duration <= 0) {
alert("Please enter a valid duration (in minutes).");
return;
}
// Calculate speed in km/h
var durationHours = duration / 60;
var speedKmph = distance / durationHours;
// Determine MET value based on speed
var metValue;
if (speedKmph = 4 && speedKmph < 5.5) {
metValue = 3.5; // Moderate walking
} else {
metValue = 5.0; // Brisk walking
}
// Calculate calories burned per minute
// Formula: (METs * weight_kg * 3.5) / 200
var caloriesPerMinute = (metValue * weight * 3.5) / 200;
// Calculate total calories burned
var totalCaloriesBurned = caloriesPerMinute * duration;
// Display the result, rounded to 2 decimal places
caloriesBurnedDisplay.innerHTML = totalCaloriesBurned.toFixed(2) + " kcal";
}