Body Fat Calculator
Calculate your body fat percentage using the US Navy method. Enter height, neck, waist (and hip for women) measurements for accurate results.
Help Us Improve
Be the first to rate!
Calculate your body fat percentage using the scientifically-validated US Navy circumference method. No expensive equipment needed — just a measuring tape. Get your fat mass, lean mass, and fitness category instantly.
How it works
- 1Select your gender and measurement unit (cm or inches)
- 2Enter your height, neck, and waist measurements
- 3Women also enter hip circumference for accuracy
- 4Optionally add body weight to get fat mass and lean mass
Who uses this tool
- ✓Fitness enthusiasts tracking composition
- ✓Athletes monitoring performance
- ✓People on weight loss journeys
- ✓Health-conscious individuals
- ✓Personal trainers assessing clients
Related Tools
Percentage Calculator
Calculate percentages instantly. Find percentage of a n…
Renovation Cost Estimator
Estimate home renovation costs by room, quality level a…
Concrete Calculator
Calculate concrete volume and materials needed for slab…
Paint Calculator
Calculate how many litres of paint you need for any roo…
Flooring Calculator
Calculate flooring material quantity and cost with wast…