ToolPopToolPop

Basal Metabolic Rate Calculator Online

FreePrivateInstant

Mifflin-St Jeor is considered more accurate for most people

Calculate your basal metabolic rate accurately.

Quick Links

What is Basal Metabolic Rate Calculator?

Calculate your Basal Metabolic Rate - calories burned at rest. Uses Mifflin-St Jeor or Harris-Benedict formula. Our free online tool makes it easy to calculate calories burned at rest without installing any software. Simply use your browser to get started instantly.

Features

Mifflin-St Jeor formula (most accurate)
Harris-Benedict formula option
Activity level multipliers
Daily calorie needs by activity

How to Use Basal Metabolic Rate Calculator

  1. 1Enter age, gender, height, weight
  2. 2Choose formula preference
  3. 3View BMR and activity-adjusted calories

Common Use Cases

  • Diet planning
  • Fitness assessment
  • Medical purposes

Why Use Our Basal Metabolic Rate Calculator?

Fast & Free

Instant results with no signup or payment required.

Secure & Private

All processing happens in your browser. We never store your files.

No Installation

Works on any device with a web browser. No software needed.

Frequently Asked Questions

Related Tools