Free BMI & Fitness Assessment
Get your BMI, an estimated body fat percentage, and a healthy weight range in seconds — plus a coaching recommendation based on your result. Nothing is stored or sent anywhere; it all runs right here in your browser.
Calculate Your BMI
Fill in the form and hit calculate — your results will appear here.
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Est. Body Fat
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Healthy Weight Range
Body fat % is a population-average estimate based on BMI, age, and gender (Deurenberg formula) — it isn't as accurate as skinfold calipers, bioimpedance scales, or a DEXA scan. BMI itself doesn't account for muscle mass, so very muscular people may see a misleadingly high number.