Health & Fitness Calculators

TDEE / Calorie Calculator

Enter your age, sex, height, weight, and activity level to estimate your Basal Metabolic Rate (BMR) and daily calorie needs (TDEE).

1,660
BMR (calories at rest)
2,573
TDEE (calories/day to maintain weight)

Uses the Mifflin-St Jeor equation. To lose weight, most guidance suggests eating below your TDEE; to gain, eat above it.

How to use this tool

  1. 1Enter your age, sex, height, and weight.
  2. 2Choose your activity level.
  3. 3See your BMR and estimated daily calorie needs.

Frequently asked questions

What formula does this use?+

The Mifflin-St Jeor equation, widely considered one of the more accurate BMR formulas for most adults.

How do I use TDEE to lose or gain weight?+

Eating consistently below your TDEE creates a calorie deficit for weight loss; eating above it creates a surplus for weight gain. A deficit/surplus of 250-500 calories/day is a common moderate starting point.