Method
Daily energy needs are estimated from the Mifflin–St Jeor equation and an activity multiplier.
Health / browser tool
Calorie Calculator
Estimate daily calorie needs from your body and activity profile.
A Mifflin–St Jeor estimate with an adjustable activity multiplier.
Your inputs stay on your device
Estimate daily calories
live resultyears
cm
kg
Estimated daily calories
Estimated maintenance calories
Estimated BMR
Calories at rest, before activity
Uses the Mifflin–St Jeor formula and an activity multiplier. This is an estimate, not medical advice.
Context & Reference
How it works
Calculators are most useful when their assumptions are clear. Review these details to better understand the logic behind the results.
How to use it
Enter the requested body measurements, age, sex setting, and activity level, then review the estimate.
Understand the result
The result is an estimated daily maintenance need, not a personalized prescription.
Example
The same body profile produces different estimates when sedentary and highly active levels are selected.
Notes
This is a general estimate and not medical advice. Real needs vary with health, goals, and measurement accuracy.
Useful next steps
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