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Calculate Your BMR

Find your basal metabolic rate β€” the calories you burn at complete rest.

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Maintenance (TDEE)
2,556
calories/day Β· BMR 1,649
Lose weight
2,056
Mild loss
2,306
Maintain
2,556
Mild gain
2,806
Gain weight
3,056
Lose weight (βˆ’0.5kg/wk)
2,056 cal
Mild loss (βˆ’0.25kg/wk)
2,306 cal
Mild gain (+0.25kg/wk)
2,806 cal
Gain weight (+0.5kg/wk)
3,056 cal

πŸ’‘ Uses the Mifflin-St Jeor equation, the most accurate BMR formula for most people. TDEE multiplies BMR by your activity level. These are estimates β€” adjust based on real-world results over a few weeks. Not medical advice.

BMR tips

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BMR is what your body burns just staying alive β€” never eat below it for long.

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This uses Mifflin-St Jeor, considered the most accurate BMR formula for the general population.

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TDEE (BMR Γ— activity) is what actually determines your daily needs, so use that for targets.

How It Works

1
Enter
Enter your data into the tool above. Everything stays local to your browser.
2
Process
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Download
Get your result instantly. Nothing is stored after you leave the page β€” complete privacy.

Why use ours?

βœ“Completely free β€” no hidden costs, ever
βœ“No account, email, or login required
βœ“Files never leave your device
βœ“No file size limits whatsoever
βœ“No watermarks on any output

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Frequently Asked Questions