CALORIES

How many calories do you burn a day?

Tap to start. Takes about 60 seconds.
1 OF 6

TDEE is your daily calorie burn

Resting burn, plus everyday movement, plus exercise. Add them up and you get your total.
QUICK QUIZ

Which part of your burn is usually the biggest?

  • A. Workouts
  • B. Resting burn (BMR)
  • C. Digesting food
ANSWER

B. Resting burn

Breathing, circulation and keeping warm use energy even when you sit still. Doctors call it BMR.
3 OF 6

Five things set your number

  • Age
  • Sex
  • Height
  • Weight
  • Activity

Source: Mifflin MD et al., Am J Clin Nutr, 1990 (PubMed).
RULE OF THUMB
500

calories a day below your TDEE is often said to lose about 1 lb a week. Real results vary, and loss slows over time.

Source: NIDDK Body Weight Planner.
SAFETY
1,200 / 1,500

Many clinicians advise against eating below this without medical supervision (women / men).
YOUR TURN

Get your own number

Enter age, height, weight and activity. It takes about 30 seconds.

General information, not medical advice. Talk to a licensed professional about your own health.