esc
Fraction to decimalCalculatorsWord counterTextCharacter counterTextRemove duplicate linesTextJSON formatterDeveloperUnix timestamp converterDeveloperRegex testerDeveloperQuery string parserDeveloperAge calculatorDate & timeTimezone converterDate & timeKilograms to poundsConvertersPounds to kilogramsConvertersCentimeters to inchesConvertersInches to centimetersConvertersMeters to feetConvertersFeet to metersConvertersKilometers to milesConvertersMiles to kilometersConvertersCelsius to FahrenheitConvertersFahrenheit to CelsiusConvertersFeet to inchesConvertersInches to feetConvertersMeters to yardsConvertersYards to metersConverters
  1. Home
  2. Calculators
  3. Body fat calculator (US Navy formula)

Body fat calculator (US Navy formula)

Enter your sex, height and the required circumferences to get an estimated body fat percentage.

Result
No result yet.

A 30-year-old man, 175 cm, waist 80 cm, neck 38 cm gets an estimate of about 15% body fat.

Example

Estimate body fat percentage with the US Navy formula from circumference measurements in your browser. Values stay on your device; informational only.

A 30-year-old man, 175 cm, waist 80 cm, neck 38 cm gets an estimate of about 15% body fat.

Processed locally in your browser.

Methodology

US Navy circumference formula. Estimates only; not a clinical measurement. Hydration and time of day affect results.

Sources
  • US Navy formula. Informational only; not a substitute for clinical methods like DEXA or calipers.
Related tools