# Body Measurements

Body mass index (BMI), body fat percentage, lean body mass and waist-to-hip or waist-to-height ratios estimate body size and composition from height, weight and tape measurements. These numbers describe size and shape rather than health itself, and they can mislead for athletes, older adults, children and pregnant women.

## Tools

- BMI Calculator (Coming soon): Calculate body mass index from height and weight in metric or imperial units and show the adult BMI category.
- Body Fat Calculator (Coming soon): Estimate body fat percentage from height, neck, waist and hip measurements using the U.S. Navy method.

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Category: [Health & Fitness Calculators](https://techolm.com/health-calculators)