How this calculation works
Estimate total daily energy expenditure from BMR and activity level. The result is calculated locally in your browser from the visible inputs, and the method below remains available for checking.
Worked example
A BMR of 1,649 multiplied by moderate activity factor 1.55 gives about 2,556 kcal/day.
Assumptions and limits
- Inputs use the units shown beside each field.
- Intermediate values retain precision; displayed values are rounded for readability.
Questions people ask
How does the TDEE Calculator work?
It applies this displayed method: TDEE = estimated Mifflin–St Jeor BMR × selected activity factor. Values stay in your browser and are not submitted to a server.
What should I check before using the TDEE result?
Inputs use the units shown beside each field. Intermediate values retain precision; displayed values are rounded for readability. This is a general adult estimate, not a diagnosis or personalised medical advice. Seek a qualified clinician for health decisions.
Does this TDEE calculator save my information?
No. Calculation inputs are processed on this device. Sharing creates a URL only when you choose the share action.