Calories Burned Calculator
Estimate the calories you burn walking, running, cycling, swimming, playing cricket and more, from your weight and the time.
Calories burned
151 kcal
- Per hour
- 301 kcal
- Intensity (MET)
- 4.3
30 minutes of walking, brisk (5.6 km/h) burns about 151 kcal at 70 kg.
How it's worked out
- Calories = MET × weight × hours
4.3 × 70 kg × 0.5 h151 kcal
- An estimate including the calories you'd burn at rest anyway. Fitness, terrain and effort change the real figure.
The formula
Calories = MET × weight in kg × hours
Worked example
30 minutes of brisk walking (4.3 METs) at 70 kg burns 4.3 × 70 × 0.5 = 150.5, about 151 kcal.
Questions people ask
How many calories does walking burn?
About 150 kcal for 30 minutes of brisk walking at 70 kg. A heavier person burns more for the same walk.
What is a MET?
A metabolic equivalent: how hard an activity is compared with sitting still. Brisk walking is about 4.3 METs, running at 9.7 km/h about 9.8.
How accurate is this?
It's an estimate. Fitness, terrain, temperature and effort all change the real figure, and the number includes what you'd burn resting anyway.
About this calculator
Formula and rules last checked 25 October 2026Written and tested by the CalculatorDex teamReport a problem