Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Health
BMI & Body Fat Percentage Calculator
Calculate your BMI and estimate body fat percentage from body measurements using the U.S. Navy circumference method. Useful for anyone who wants a more complete picture of body composition beyond simple weight.
Fill in the required fields to see your result.
Health
Body Fat Calculator (Navy Method)
Estimates body fat percentage using the U.S. Navy circumference method, which needs only a tape measure β no calipers or scales. It combines neck, waist, height (and hip for women) into a validated equation used by the military for body-composition screening.
Fill in the required fields to see your result.
Key differences
| BMI & Body Fat Percentage Calculator | Body Fat Calculator (Navy Method) | |
|---|---|---|
| Category | Health | Health |
| Inputs required | 4 | 5 |
| Result | BMI + Estimated Body Fat % (combined score) | Estimated Body Fat (%) |
| What it does | Calculate your BMI and estimate body fat percentage from body measurements using the U.S. Navy circumference method. Useful for anyone who wants a more complete picture of body composition beyond simple weight. | Estimates body fat percentage using the U.S. Navy circumference method, which needs only a tape measure β no calipers or scales. It combines neck, waist, height (and hip for women) into a validated equation used by the military for body-composition screening. |