Aisha K.
Mar 12, 2026
Clean layout and the results update instantly. Exactly what I needed for a quick planning check.
Health, Fitness & Wellness
Calories Burned Calculator by Activity and Duration
Calories = MET × weight kg × hours.
Estimate calories burned using MET values for activity and duration. Estimates only—not a diagnosis or prescription.
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80350
5300
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Recommendations
Tailored to your live inputs and result—guidance only, not professional advice.
- Interpret
Treat this as a planning estimate
Primary result: Calories burned = 419 kcal. Re-run with optimistic and pessimistic inputs to understand the range—not just a single point.
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Plain-English guide
Terms & how it works
Confused by a field? Read the short definitions here while you use the tool.
MET value
The “MET value” value used in this tool’s formula. Adjust it to see results update live.
Weight (lbs)
The “Weight (lbs)” value used in this tool’s formula. Adjust it to see results update live.
Duration (min)
The “Duration (min)” value used in this tool’s formula. Adjust it to see results update live.
How this calculator works
Estimate calories burned using MET values for activity and duration. Estimates only—not a diagnosis or prescription. Calories = MET × weight kg × hours. Example: 70 kg person, MET 8, 45 min → ~420 kcal burned.
Calories = MET × weight kg × hours.
Example: 70 kg person, MET 8, 45 min → ~420 kcal burned.
When to use this Calories Burned
Common use cases
- Estimate calories burned using MET values for activity and duration.
- Sanity-check with this case: 70 kg person, MET 8, 45 min → ~420 kcal burned.
- The relationship is: Calories = MET × weight kg × hours.
Localized examples
- Health, Fitness & Wellness: the example on this page uses the same formula as the widget.
What you get
- Fields: MET value, Weight (lbs), Duration (min)
- Calories = MET × weight kg × hours.
- Example on the page: 70 kg person, MET 8, 45 min → ~420 kcal burned.
How to Calculate Calories Burned Step-by-Step
- 1Enter MET value, Weight (lbs), Duration (min). Use the values you have, not a catalog average, unless that is all you know.
- 2Calories = MET × weight kg × hours.
- 3Worked case: 70 kg person, MET 8, 45 min → ~420 kcal burned.
- 4If this number would change a drug, a diet, or a return-to-play call, take it to a clinician. The page never examined you.
Governing formula
Calories = MET × weight kg × hours.
70 kg person, MET 8, 45 min → ~420 kcal burned.
Example: set MET value = 8, Weight (lbs) = 154, Duration (min) = 45, then read the result.
Variable definitions
- met
MET value
The “MET value” field. Default 8; typical range 1–18.
- weightLbs
Weight (lbs)
The “Weight (lbs)” field. Default 154; typical range 80–350.
- durationMin
Duration (min)
The “Duration (min)” field. Default 45; typical range 5–300.
- The formula (Calories = MET × weight kg × hours.) does not see labs, medications, sleep, or injury history. A clinician does.
- Nothing here is uploaded for the calculation itself.
Frequently Asked Questions
Calories = MET × weight kg × hours.
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- Breastfeeding Calorie Needs CalculatorEstimate extra daily calories while breastfeeding.
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Reviews & Ratings
See what others think about this tool, then leave your own rating to help improve CalculioHub.
4.8
out of 5.0
4 reviews
Daniel R.
Feb 28, 2026
Very usable on mobile. Would love a save/export option later, but the math feels solid.
Priya S.
Feb 3, 2026
The FAQ section answered my questions before I even had to search. Smooth dark mode too.
Marcus L.
Jan 19, 2026
Simple inputs, clear outputs. This replaced three bookmarks I used to juggle.
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