Health & Fitness

Calorie Calculator

Estimate daily maintenance calories using the Mifflin–St Jeor equation.

Estimated maintenance

2,594 kcal/day

Estimated BMR
1,674 kcal/day
Gentle weight loss
2,294 kcal/day
Gentle weight gain
2,894 kcal/day

Energy needs vary. Discuss significant diet changes with a qualified professional.

What this tool does

The estimate starts with basal metabolic rate and multiplies it by an activity factor. Real needs vary, so use the result as a starting point.

How to use it

  1. Enter the values or text requested in the fields above.
  2. Review the result, which updates instantly or after selecting Generate.
  3. Copy, share or download the result when that option is available.

Example

A moderately active person may maintain weight at roughly BMR × 1.55 calories per day.

FAQ

Common questions

Is the Calorie Calculator free?+

Yes. Calorie Calculator is free to use, requires no account and performs the calculation in your browser whenever possible.

Does Calorie Calculator save my information?+

No tool inputs are intentionally sent to or stored by Toolvora. Your browser processes the values for the current session.

How accurate is the Calorie Calculator?+

The tool uses the standard formula or conversion shown on this page. Verify results independently when making important financial, health or legal decisions.

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