How it works
A useful estimate, explained.
Circumference formulas provide a convenient estimate when laboratory methods are unavailable. Consistent measurement technique improves trend usefulness.
Source: U.S. Navy circumference method overviewBodyMonthly
Body Fat Percentage Calculator
Look beyond body weight alone.
Quick answer
Use height, waist, neck, and—for the female equation—hip circumference to estimate body-fat percentage.
Your result
Ready when you are.
Add your details and calculate to see an estimate with a clear explanation and useful supporting numbers.
FastInstant result
PrivateBrowser only
Keep in mind
The number is not the whole story.
This estimate can differ from DEXA or other clinical methods and should not be treated as an exact measurement.
Vitalo tools provide general education, not medical advice, diagnosis, or treatment.
Clear answers
Frequently asked questions
How does the Body Fat Percentage Calculator work?
Circumference formulas provide a convenient estimate when laboratory methods are unavailable. Consistent measurement technique improves trend usefulness.
What are the limits of this result?
This estimate can differ from DEXA or other clinical methods and should not be treated as an exact measurement.
Is the Body Fat Percentage Calculator medical advice?
No. This free tool provides a general educational estimate and cannot diagnose a condition or replace advice from a qualified healthcare professional.
Keep exploring