Free health planning tool

Body Fat Percentage Calculator

Estimate body fat percentage from height and circumference measurements using the U.S. Navy method.

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Result

Enter values and select Calculate.

Method and assumptions

Applies the U.S. Navy circumference equations after converting centimeters to inches.

Important limitations

Hydration, technique and body shape affect the result. It is not a medical diagnosis.

Official references

Transparency

Sources & methodology

Calculation method
Applies the U.S. Navy circumference equations after converting centimeters to inches.
Evidence basis
Published screening or body-composition method; not a diagnosis.
Applies to
No statutory reference year. Results use the values and assumptions entered now.
Last reviewed
Limitations
Hydration, technique and body shape affect the result. It is not a medical diagnosis.

Content basis and verification

· Calculations run in your browser. Check the formula and assumptions on this page, and confirm important financial, tax, medical or legal decisions against current official guidance.