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Calculate Your Body Fat Percentage (3-site Jackson-Pollock)

Last updated: Monday, May 01, 2023
Select a method below
BMI
3-site Jackson-Pollock
4-site Jackson-Pollock
7-site Jackson-Pollock
9-site Parrillo
4-site Durnin/Womersley
The Navy Tape

The body fat percentage is the ratio between a person's total body fat and total mass (commonly known as weight).

This calculator uses the 3-site Jackson-Pollock skinfold method to help determine the body fat percentage more accurately.

For a woman please measure your triceps, thigh and suprailiac using a caliper.

For a man, please measure your pectoral, abdominal and thigh with a body fat caliper.

The 3-site Jackson-Pollock formula for body density is used in combination with the Siri equation to determine the body fat percentage, which can be defined as:
$$BFP$$ $$=$$ $$\dfrac{495}{BD}$$ $$-$$ $$450$$
$$BD$$: Body density
$$BFP$$: Body fat percentage
$$triceps$$: the skin fold measurements of the triceps
$$thigh$$: the skinfold measurement of the thigh
$$suprailiac$$: the skinfold measurement of the suprailiac
$$age$$: your age measured in years
The SI unit for BFP is: $$%$$
Select your gender and the type of units below
Female (Metric)
Female (Imperial)
Male (Metric)
Male (Imperial)

Female (Metric)

Use this calculator to determine the body fat percentage of an adult female using metric units.
the skin fold measurements of the triceps
$$triceps$$
$$millimeter$$
the skinfold measurement of the thigh
$$thigh$$
$$millimeter$$
the skinfold measurement of the suprailiac
$$suprailiac$$
$$millimeter$$
$$age$$
$$year$$
Please note, that all calculators provided are for informational and educational purposes ONLY, and should NOT be taken as professional medical/dietary advice.
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