Body Fat Percentage Calculator

Estimate your body fat percentage using the U.S. Navy method.

Gender:

Male Female

Units for Measurements:

Metric (cm, kg) Imperial (in, lbs)

Height:

Weight:

Neck Circumference:

Waist Circumference: Measure at navel level for men, narrowest point for women.

Select your gender and preferred unit system.
Enter your height and weight accurately.
Measure the circumference of your neck and waist. Use a tape measure, keep it snug but not tight.
**For Women:** Also measure the circumference of your hips at the widest point.
Enter all measurements in the corresponding units (cm or inches).
Click 'Calculate Body Fat %'.
The results show your estimated body fat percentage, a general category, estimated fat mass, and estimated lean body mass.
Disclaimer: This calculator uses the U.S. Navy method, which is an estimation. Results may vary from other methods (like calipers or DEXA scans). Consult a healthcare professional for accurate assessment.

Neck: Measure below the larynx (Adam's apple).
Waist: Measure horizontally around the navel for men, and around the narrowest point (usually above the navel) for women.
Hips (Women): Measure horizontally around the largest part of the hips/buttocks.