MET Calorie Calculator

The MET Calorie Calculator computes met calorie from the relation calories = MET x weight in kg x duration in hours. It takes 3 inputs (met value of the activity in MET, body weight in kg, duration of activity in hours) and returns the met calorie. These calculators are for anyone keeping an eye on their own eating, drinking, activity or body measurements, and for coaches, trainers and anyone working through the same figures on behalf of someone else; the result is a starting point for a practical decision such as setting a daily intake, pacing a session, judging a portion, or checking whether a weight or fitness goal is realistic before committing to it. Enter your values below and the result updates instantly, and you can share a permalink that pre-fills the exact calculation. Type each figure in the unit named on its own field, because these tools variously ask for kilograms or pounds, centimetres or metres, millilitres, calories and minutes, and a value typed in the wrong unit still returns an answer that looks perfectly plausible; where a tool asks you to choose a factor rather than measure one, such as an activity level, a MET value, a stride length or a share of calories, that choice moves the result far more than a small measurement error will, so keep it consistent whenever you compare one run against another. For example, with met value of the activity = 8 MET, body weight = 80 kg, duration of activity = 0.5 hours, the met calorie works out to 320, and the worked example further down the page shows every step so you can follow the arithmetic and reproduce it by hand. The method is the standard form documented by CDC Physical Activity, and the figure above each result carries the date it was last verified. None of these formulas can see the individual behind the numbers: the energy and activity figures rely on conversion factors that hold on average but vary a good deal from one person to the next, and the body measurement results describe a ratio or a range rather than a state of health, so nothing here accounts for muscle mass, body composition, medical conditions, medication, pregnancy or, for children and adolescents, normal growth and development; use the figure as background for a conversation with a doctor, dietitian or other qualified health professional, not as a target to act on by itself.

With MET value of the activity = 8 MET, Body weight = 80 kg, Duration of activity = 0.5 hours, the result is 320.

Formula: calories = MET x weight in kg x duration in hours. Source: CDC Physical Activity, as at 2026-06-23.

MET Calorie320

Applies to: any numeric inputs. Method source: CDC Physical Activity, checked 2026-06-23.

The formula

calories = MET x weight in kg x duration in hours

Worked example

With MET value of the activity = 8 MET, Body weight = 80 kg, Duration of activity = 0.5 hours:

  1. Multiply MET by body weight in kg: 8 x 80
  2. Multiply by duration in hours: x 0.5
  3. Calories burned = 320
  4. MET Calorie = 320

This worked example is one of the automated golden-value tests this calculator must pass before it can publish.

What this assumes

  • Inputs are real numbers in the units shown.
  • The result is the exact value of calories = MET x weight in kg x duration in hours; general information, not professional advice.

Frequently asked questions

What formula does this use?

calories = MET x weight in kg x duration in hours, the standard form documented by CDC Physical Activity.

Does the result ever change over time?

No. This is a pure formula with no external rate, so the same inputs always give the same result.

Official sources and verification

Reviewed by the CalculatorHub team, edited by James Graham, 2026-06-23. See our methodology. General information, not professional advice.