Health tool
Body Fat Calculator
Estimate body fat percentage using circumference measurements and the U.S. Navy-style formula.
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How To Use Body Fat Calculator
Quick notes to help you understand the result before you act on it.
Overview
Use this body fat calculator for a broad circumference-based estimate.
It is not a replacement for clinical measurement.
Body Fat Estimate
- The calculator uses a U.S. Navy-style circumference formula.
- Inputs should use the same unit for all measurements.
Practical Tips
- Measure at consistent body points.
- Use this as a trend reference, not a diagnosis.
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FAQ
Common questions about this tool.
Is this body fat result exact?
No. It is an estimate from circumference measurements.
Can I use centimeters?
Yes, as long as waist, neck, hip, and height all use the same unit style expected by the formula.