Body Fat Percentage Calculator

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Body Fat Percentage Calculator

Our Body Fat Percentage Calculator estimates your body fat based on age, gender, and body measurements like waist and neck size. It’s a fast way to understand your body composition.

Body Fat Percentage Calculator

Estimate your body fat percentage using gender, age, height, and body measurements.











This tool uses the U.S. Navy formula to estimate body fat percentage. It’s commonly used in gyms, clinics, and the military to track changes in body composition over time.

What is body fat percentage?

It’s the percentage of your total body weight that is fat tissue. The rest is muscle, bone, water, etc.

How accurate is this calculator?

This calculator uses the U.S. Navy method, which is reasonably accurate for everyday use, but not as precise as professional scans.

Do I need to enter hip measurements?

Only if you’re female — the formula uses hip size in that case.

What is a healthy body fat percentage?

For men: 10–20%. For women: 18–28%. Athletes often fall below these ranges.