Weight
70 kg
Health
BMR Calculator
Estimate basal metabolic rate using weight, height, age, and gender.
BMR
1,617.5 kcal/day
BMR estimate uses the Mifflin-St Jeor formula.
⚡
Fuel smart
Know your fuel needs
Your body burns 1,617.5 kcal/day just to stay alive. Eat close to this number on rest days and add your activity calories on workout days.
Age
30
FAQs
How does the BMR Calculator work?
Enter the required values and the BMR Calculator updates instantly in your browser.
Is the BMR Calculator free to use?
Yes. The calculator is free, mobile-friendly, and does not require signup.
Can I use the BMR Calculator on mobile?
Yes. Inputs and result cards are designed for mobile-first usage.
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Frequently asked questions
How does the BMR Calculator work?+
Enter the required values and the BMR Calculator updates instantly in your browser.
Is the BMR Calculator free to use?+
Yes. The calculator is free, mobile-friendly, and does not require signup.
Can I use the BMR Calculator on mobile?+
Yes. Inputs and result cards are designed for mobile-first usage.
Is the BMR Calculator accurate?+
The BMR Calculator gives instant estimates based on standard formulas. Results are for planning purposes and may vary from official bank, tax, or institutional outcomes due to compounding frequency, fees, and rule changes.
Do I need to sign up to use the BMR Calculator?+
No. The BMR Calculator on CalculateAge Pro is completely free and requires no account or signup. All calculations run in your browser and no data is stored.
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Last updated: June 2026 · Results are estimates for planning purposes only.