# BMR calculator

Canonical page: https://nepocore.com/tools/bmr/

Estimate adult resting energy using the Mifflin–St Jeor equation. This browser tool shows the inputs, assumptions and resulting output so you can use it for a specific everyday task.

## How to use it

1. Enter your own values or choose a supported file.
2. Adjust the options and run the tool.
3. Review the result, then copy, export or save it when available.

## Example

Compare the resting-energy estimate for an adult aged 25, weighing 65 kg and measuring 170 cm.

## Limits and checks

This is an equation-based resting-energy estimate for adults, not a measured metabolic rate or a prescribed calorie intake.

## Access and processing

Free to use without an account. Interactive processing requires JavaScript in a modern browser. Input is processed in the browser rather than sent to a processing server. Optional browser storage is not a synchronized account.

## Method and sources

- [Mifflin et al. — resting energy equation](https://pubmed.ncbi.nlm.nih.gov/2305711/)

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