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BMR Calculator

Calculate your Basal Metabolic Rate to determine how many calories you burn at rest.

Tips for Using This Calculator

• All calculations are performed instantly as you type

• Use the copy button to save your results

• Results are automatically shared in the URL for easy sharing

• This calculator works completely offline after loading

What is BMR?

How accurate is the Mifflin-St Jeor equation?

BMI Calculator

Calculate your Body Mass Index to assess if your weight is healthy for your height.

Percentage Calculator

Calculate percentages, percentage increases, decreases, and percentage of numbers.

Last updated: 11/26/2025