Free lab tool

TDEE & Body Composition Calculator

Maintenance energy estimates across multiple formulas, optional lean-mass inputs, and macronutrient targets.

Units

Sex

Age

Weight (kg)

Height (cm)

Body fat % (optional)

Required for the Katch-McArdle and Cunningham formulas, which work from lean mass.

BMR formula

Activity level

Goal

TDEE shown at the selected activity level. Results are estimates; real needs vary.