Metabolism Calculators
3 free metabolism calculators in the Health & Fitness category. Each tool gives instant results and explains the formula so you can follow the calculation.
BMR Calculator
Mifflin-St Jeor: BMR = 10xkg + 6.25xcm - 5xage + (5 male / -161 female)
Open calculator โHarris-Benedict Calculator
TDEE = BMR (Mifflin-St Jeor) x activity factor
Open calculator โTDEE Calculator
TDEE = BMR (Mifflin-St Jeor) x activity factor
Open calculator โAbout metabolism calculations
This page groups the metabolism tools within Health & Fitness. Pick a calculator above to enter your values and get an instant result, complete with the formula, a step-by-step breakdown and a worked example. All calculators are mobile-friendly, accessible and free.
What are metabolism calculators used for?
These tools help you with metabolism calculations in the health & fitness category, giving instant results with the formula and a worked example on each page.
Are they free and private?
Yes. They are free, require no sign-up, and run entirely in your browser so your inputs stay on your device.