Calorie Calculator
Estimate daily calorie needs with a Mifflin–St Jeor style BMR × activity multiplier.
Free · No signup · Runs in your browser · Shareable link syncs inputs
Inputs
Updates live as you type — Calculate syncs a shareable URL.
Maintenance calories
2713 kcal
- BMR1750 kcal
- Mild deficit (−15%)2306 kcal
Estimates only. Individual needs vary.
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How this calculator works
Estimate daily calorie needs with a Mifflin–St Jeor style BMR × activity multiplier.
How is it calculated?
Mifflin–St Jeor BMR × activity factor ≈ TDEE.
Example
32y male, 5′10″, 175 lb, moderate activity ≈ ~2,600 kcal.
Frequently asked questions
Medical advice?+
No — educational estimate only.