Add the requested inputs
Use the labelled fields in the workspace above. If example values are provided, try them first or replace them with your own.
Health & wellbeing · Free online tool
Calories burned calculator
Estimate calories burned for an activity from weight, duration and a MET value. Turn body weight, activity duration and an editable metabolic equivalent (MET) into a rough energy-use estimate.
3 guest runs per rolling 24 hours10 with a free accountPrivate inputsMobile-friendly
Calories burned calculator workspace
Runs locally in your browser
Calories burned is a planning estimate, not a medical or diet recommendation.
Result
Calories burned—
Per hour—
Weight used—
Estimate context
Use it with confidence
How to use the calories burned calculator.
Calculate and review
Use the main action when needed. Calories ≈ MET × weight in kilograms × duration in hours, using 1 MET = 1 kcal per kilogram per hour as a planning approximation.
Try a worked example
A 70 kg person doing a 5 MET activity for 30 minutes burns about 175 kcal in this model.
Check the assumptions
Individual metabolism, intensity, fitness, terrain and equipment all change real energy use. This is an estimate, not a medical or diet recommendation.
Helpful answers
Calories burned calculator FAQs.
Is the calories burned calculator free?
Yes. Guests receive 3 runs per rolling 24 hours, verified free accounts receive 10, and Premium subscribers receive unlimited normal use.
Does UtilHub upload or save my inputs?
No. This tool runs in your browser and UtilHub does not receive or store the values you enter. Your browser or device may still retain normal local history or form data.
How does this calories burned calculator work?
Calories ≈ MET × weight in kilograms × duration in hours, using 1 MET = 1 kcal per kilogram per hour as a planning approximation.
What should I check before using the result?
Individual metabolism, intensity, fitness, terrain and equipment all change real energy use. This is an estimate, not a medical or diet recommendation.