100%FREE

Free BMR Calculator

Calculate your basal metabolic rate, the calories your body burns at rest, with the Mifflin-St Jeor equation, plus daily needs for each activity level.

  • Runs locally
  • Enter sex and age
  • Enter weight and height
  • Read your BMR
  • Free
  • No sign-up
  • Runs in your browser
  • No watermark
BMR (kcal/day)
1,389
Sedentary (little or no exercise)
1,667
Light (1–3 days a week)
1,910
Moderate (3–5 days a week)
2,153
Active (6–7 days a week)
2,396
Very active (physical job or twice a day)
2,639

Mifflin-St Jeor equation. Estimates for healthy adults, not medical advice.

This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.

Use cases

Where it helps

Quick answers

Open the page and get a result without installing an app.

Any computer

It works in a current browser on Windows, macOS, Linux or ChromeOS.

Nothing to clean up

Close the tab when you are done. PoYo keeps no copy.

Three steps

How to use Free BMR Calculator

01

Enter sex and age

BMR changes with both.

02

Enter weight and height

In kilograms and centimeters.

03

Read your BMR

Plus daily needs for each activity level.

Features

What this tool includes

Runs locally

This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.

Enter sex and age

BMR changes with both.

Enter weight and height

In kilograms and centimeters.

Read your BMR

Plus daily needs for each activity level.

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Free BMR Calculator FAQ

Do I need an account?

No. Open the page and use it.

Is what I enter sent anywhere?

This tool runs in this browser tab and does not ask for an account. What you enter is not sent to PoYo.

Does it cost anything?

No. It is free and does not use PoYo credits.

Can I use it on my phone?

Yes, in a current mobile browser. Tools that need a physical keyboard or mouse are easier on a computer.

All free tools

Free to use, right in your browser.

Calculate your basal metabolic rate, the calories your body burns at rest, with the Mifflin-St Jeor equation, plus daily needs for each activity level.

Open tool