How does the Calories Burned Calculator work?

Calories burned = MET × weight (kg) × time (hours) Then: MET values are standardized across activities by the Compendium of Physical Activities Then: Heavier people burn more calories for the same activity because they carry more mass Then: Intensity matters: running at 8 mph (MET 13.5) burns 70% more than running at 5 mph (MET 8.3).

Can you give an example of how to use the Calories Burned Calculator?

Example: Input 70 kg person, 30 min running at 6 mph (MET 9.8) gives a result of 343 kcal (9.8 × 70 × 0.5).

Is the Calories Burned Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Calories Burned Calculator?

Our Calories Burned Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

Is this Calories Burned Calculator medically accurate?

This tool uses clinically recognised formulas for general information and educational purposes. It is not a substitute for professional medical advice. Always consult a qualified healthcare provider for medical decisions.

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Calories Burned Calculator

Weight:

Body Weight (kg)

Duration (minutes)

Activity

The calories burned calculator uses MET (Metabolic Equivalent of Task) values to estimate energy expenditure during exercise. MET is the ratio of exercise intensity to resting metabolic rate — a MET of 7 means you burn 7 times more calories than at rest.

Activity	MET	Cal/hr (70kg person)
Walking (3 mph)	3.5	245
Walking (brisk, 3.5 mph)	4.3	301
Cycling (moderate)	8.0	560
Running (5 mph)	8.3	581
Running (8 mph)	13.5	945
Swimming (moderate)	6.0	420
Yoga	2.5	175
Weight training	3.5	245
Jump rope	11.0	770
HIIT	8.0	560

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Pro Tip

Your post-exercise calorie burn (EPOC — Excess Post-exercise Oxygen Consumption) continues for hours after high-intensity workouts, adding 6–15% to the total calories burned.

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Did You Know?

The MET system was developed by exercise physiologist William Haskell in the 1980s. The compendium now lists MET values for over 800 activities.

References

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