How do I calculate bmr? Enter your numbers above and the result updates instantly. For example: Sex: Male · Age: 30 yrs · Weight: 170 lb · Height — feet: 5 ft → Basal metabolic rate: 1,737 calories/day.
Is this BMR Calculator free? Yes — completely free with no sign-up or paywall. It runs entirely in your browser and keeps working offline; the numbers you enter never leave your device.
How accurate is it? It uses the standard published formula for bmr. Results are estimates for planning — not financial, tax, medical, engineering, or legal advice.