INTERACTIVE TOOL
TDEE and BMR calculator
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How to use this tool
- Enter the adult equation inputs.
- Select the activity level for the scenario.
- Distinguish basal metabolism from estimated maintenance energy.
Formula or method usedBMR is estimated with the Mifflin–St Jeor equation and then multiplied by an activity factor.
Worked example
Changing activity changes the maintenance estimate while the calculated basal value remains the same.
Assumptions and limits
This is not a dietary prescription or a restriction target.
Frequently asked questions
Is the result an exact target?+
No. Actual energy expenditure varies; use it as a starting point and seek professional advice for medical needs.
What happens to my inputs?+
Calculation inputs are processed locally in your browser. Favorites and preferences may be saved on this device. The site may perform separate network requests for live panels; these do not include the values entered into this local calculator. Do not paste secrets into public tools.
How should I check the result?+
This is not a dietary prescription or a restriction target.