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TDEE Calculator

Estimate adult TDEE from age, formula sex, height, weight, and activity level using the Mifflin-St Jeor formula and fixed activity multipliers. For general information only; not medical, nutrition, or training advice.

This is an adult TDEE formula estimator for general information only. It estimates total daily energy expenditure from BMR and a fixed activity factor, not a calorie target or personalized eating or training guidance.

Results on this page are not medical advice, individualized nutrition guidance, or training advice, and they are not intended for minors, pregnancy, lactation, or people who need clinician-led nutrition care.

Privacy note: Calculations run locally by default. Your age, height, weight, and activity level inputs are not uploaded.

Age only accepts whole numbers from 18 to 120; height and weight only accept ASCII digits with an optional decimal point.

"Sex used for formula" only selects the Mifflin-St Jeor formula branch. It is not a medical judgment or identity claim.

Activity level strongly affects the result. Choose the option that best matches your usual long-term daily activity pattern.

Free TDEE calculator for estimating adult total daily energy expenditure from age, formula sex, height, weight, and activity level using the Mifflin-St Jeor formula with fixed activity multipliers. For general information only; not medical, nutrition, or training advice.