BMI & Body Fat Calculator
Compute BMI and estimated body fat percentage using the US Navy circumference method (neck, waist, hip). Private, instant, no data leaves your device.
BMI
26.5
Overweight
Body fat (Navy)
23%
Average
- Height
- 5.8 ft (70 in)
- Weight
- 185 lbs
- Estimated lean mass
- 142.5 lbs
- Gender / Age
- Male, 32
- Neck / Waist
- 15.5 in / 34 in
BMI is a simple height-to-weight ratio. The US Navy method estimates body fat from tape measurements and is widely used because it requires no special equipment. Results are estimates — DEXA, hydrostatic, or calipers are more precise.
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