Calorie calculator

Estimate daily calorie burn from body stats and activity level.

Calculated in this browser. Nothing is sent anywhere.

Mifflin–St Jeor is a population average for adults — individual metabolism varies by about ±10%. Not for children, pregnancy, or medical conditions; not medical advice.

How to use

  1. Enter sex, age, height, and weight.
  2. Choose an activity level.
  3. Read the resting and daily-burn estimate.

What it supports

Mifflin–St Jeor — a population average for adults 18+, off by roughly ±10% per person. Not for children, pregnancy, or medical conditions; not medical advice.

Related tools

Related guides