BMR Calculator
Estimate calories burned at rest using the Mifflin-St Jeor formula.
How to use
BMR estimates resting energy needs. Activity multipliers are shown for rough daily calorie planning.
Frequently asked questions
Do you store the numbers I enter?
Calculations run in your browser. Inputs are not sent to our servers.
Are the results guaranteed accurate?
Standard formulas are used. Double-check important decisions with a professional or official source.