Fitness API blog: exercise data, MET and calories

Guides on the FitExerciseDB API: endpoints, MET and calorie maths, muscle taxonomy, licensing exercise GIFs, and how it compares with other exercise databases.

Exercise API calories: how MET values work
How to calculate calories burned from an exercise API using MET values: the formula, what a MET is, why bodyweight matters, and a worked example you can call in one request.
2026-09-10 · 7 min

Fitness API blog: exercise data, MET and calories

Exercise API calories: how MET values work