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BMR Calculator - Basal Metabolic Rate Calculator
Free BMR calculator to find your basal metabolic rate. Learn how many calories your body burns at rest using Mifflin-St Jeor and Harris-Benedict equations.
BMR Calculator
Calculate your Basal Metabolic Rate
Your BMR
Enter your values to see results
and click the "Calculate" button
What is BMR?
Basal Metabolic Rate (BMR) is the number of calories your body needs to perform basic life-sustaining functions like breathing and circulation. It's the calories you'd burn if you stayed in bed all day.
How to Use This Calculator
- Enter your age
- Select your gender
- Enter your weight and height
- Click Calculate to see your BMR
BMR Formula (Mifflin-St Jeor)
Men: (10 × weight) + (6.25 × height) - (5 × age) + 5
Women: (10 × weight) + (6.25 × height) - (5 × age) - 161
Frequently Asked Questions
What's the difference between BMR and TDEE?
BMR is calories at complete rest. TDEE includes BMR plus all daily activities.
Can I increase my BMR?
Yes! Building muscle increases BMR since muscle burns more calories than fat.
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