Estimate your body fat percentage based on measurements.
The Body Fat Percentage Calculator estimates body fat percentage using the Navy formula or a BMI-based estimate based on measurements. The normal body fat percentage is 10–20% for men and 18–28% for women.
The calculator is completely free, works directly in the browser, and does not store personal data. All calculators on this site are based on up-to-date information.
Navy formula (male): 495 / (1.0324 − 0.19077×log(waist−neck) + 0.15456×log(height)) − 450
Enter your measurements into the calculator fields and press the calculate button – the result will be displayed immediately. You can try different values to compare various scenarios.
Man, waist 88 cm, neck 38 cm, height 178 cm → body fat ≈ 18.5% (normal range).
The result is an estimate – for accurate clinical measurements, consult a healthcare professional.
The calculator is suitable for self-monitoring health, planning workouts, and general health literacy. Tracking values over time provides valuable information about changes in the body.
Remember that a single measurement result does not tell the whole story – what matters more is the direction and trend over multiple measurement periods.
Estimate your body fat percentage based on measurements. Fill in the requested information in the form, and the body fat calculator will show the result immediately.
Yes, the body fat percentage calculator is completely free and does not require registration. All FiksuLaskuri health calculators are free of charge.
No. The calculations are done entirely in your browser and the data you enter is not sent or stored on the server.
No. The body fat percentage calculator is a rough guide, not a medical diagnosis. For health-related decisions, it is advisable to consult a healthcare professional.
Yes – at the bottom of the page, you can see other calculators related to the same topic that may also interest you.