SMART CALCULATOR / PLAN WITH CONFIDENCE

TDEE Calculator

Estimate daily energy needs from age, body size, sex, and activity level using the Mifflin-St Jeor method.

Use boundary

Calculation path

We estimate resting energy with Mifflin-St Jeor, then multiply it by the selected activity factor.

Calculation path

BMR = 10W + 6.25H - 5A + sex constant; TDEE = BMR x activity multiplier.

What you provide

Age: Age in completed years. Enter a whole-number value for this planning input.
Weight: Body weight in kilograms.
Height: Height in centimetres.
Sex used by equation: Select the equation setting that matches the method you want to use.
Activity level: Average daily activity, including exercise.

What you receive

Use boundary

Energy needs vary with health, body composition, sleep, and activity. Consult a qualified professional for medical or eating-disorder concerns.

Results are estimates for planning. Confirm rates, rules, and source documents before making a financial, health, or purchase decision.

Reviewed reference factors