How to Use Calories Burned Calculator
Calculator Formula
Calories = MET × Weight (kg) × Time (hours)
MET Value
Activity intensity multiplier
Weight (kg)
Body mass in kilograms
Time (hours)
Duration in decimal hours
MET Values by Activity
| Activity | MET | Intensity | Cal/Min (70kg) |
|---|---|---|---|
| Walking (2.5 mph) | 3.0 | Light | 3.5 |
| Walking (3.5 mph) | 4.3 | Moderate | 5.0 |
| Running (6 mph) | 9.8 | Vigorous | 11.4 |
| Cycling (12-14 mph) | 8.0 | Vigorous | 9.3 |
| Swimming (moderate) | 5.8 | Moderate | 6.8 |
Calculation Examples
Example 1: Walking
Weight: 70 kg
Activity: Walking (3.5 mph)
MET: 4.3
Duration: 30 minutes (0.5 hours)
Result: 4.3 × 70 × 0.5 = 150.5 calories
Example 2: Running
Weight: 80 kg
Activity: Running (6 mph)
MET: 9.8
Duration: 45 minutes (0.75 hours)
Result: 9.8 × 80 × 0.75 = 588 calories
Intensity Classifications
| Intensity Level | MET Range | Examples |
|---|---|---|
| Light | < 3.0 | Slow walking, stretching, yoga |
| Moderate | 3.0 - 5.9 | Brisk walking, light cycling |
| Vigorous | 6.0 - 8.9 | Jogging, swimming, tennis |
| Very Vigorous | ≥ 9.0 | Running, competitive sports |
Weight Impact on Calorie Burn
Calories burned for 30 minutes of walking (3.5 mph):
50 kg
110 lbs
107 cal
70 kg
154 lbs
150 cal
90 kg
198 lbs
194 cal
110 kg
243 lbs
237 cal
Calculator Inputs & Ranges
| Input | Range | Units | Validation |
|---|---|---|---|
| Weight | 20-500 kg / 44-1100 lbs | kg, lbs | Required, > 0 |
| Duration | 1-1440 minutes | minutes | Required, > 0 |
| Activity | 100+ activities | MET values | Required selection |
Result Metrics Explained
Primary Results
- • Total Calories: Main calculation result
- • Cal/Min: Total ÷ Duration
- • Cal/Hour: Cal/Min × 60
- • MET Value: Activity intensity factor
Additional Data
- • Intensity Level: Light/Moderate/Vigorous
- • Activity Category: Cardio/Strength/Sports/Other
- • Food Equivalents: Apples, cookies, etc.
- • Activity Comparison: vs. other exercises
Technical Specifications
Calculation Engine
- • Real-time computation
- • Client-side processing
- • No data storage
- • Instant results
Data Sources
- • Compendium of Physical Activities
- • Peer-reviewed research
- • Validated MET values
- • Scientific formulas
Quick Reference Guide
Input Requirements
- 1. Weight (required)
- 2. Activity (required)
- 3. Duration (required)
Output Data
- • Total calories burned
- • Calories per minute/hour
- • Activity intensity level
- • Comparison data
Accuracy Range
- • ±10-15% typical variance
- • Based on average population
- • Individual factors apply
- • Scientific validation