TDEE Calculator

Estimate total daily energy expenditure from age, size, sex, and activity level.

TDEE Calculator helps you total daily energy expenditure from BMR and an activity factor. Enter age, height (feet), height (inches), height (cm), and weight, review the breakdown, and use the guidance below to understand what the number means — and what it does not. What the TDEE calculator does TDEE Calculator is built for body measurements, calories, and everyday health math. Total daily energy expenditure from BMR and an activity factor. You enter age, height (feet), height (inches), height (cm), and weight, then Simple Calculators computes the result instantly. These tools use widely published formulas. They are educational screens, not a diagnosis. How the math works BMR from Mifflin–St Jeor times a standard activity multiplier (1.2 sedentary through 1.9 extra active). The formula: TDEE = BMR × activity factor. Sedentary 1.2, light 1.375, moderate 1.55, active 1.725, extra 1.9.