About

BodyFatPercentage.org gives you a free, private body fat calculator and plain guides to measuring and tracking body composition at home.

How we write

Every number on this site comes from a named source. The category chart comes from the American Council on Exercise. The age chart comes from Gallagher and team (2000). The calculator uses the US Navy formula from Hodgdon and Beckett (1984). The protein guidance comes from Morton and team (2018).

We say what each product doesn't do, like the fitness trackers that can't measure body fat. We don't list fat burners.

How we make money

We earn a commission on some products we link to, and we sell our own tracking tools. Neither changes what we recommend. Read our affiliate disclosure.

Contact

Questions or corrections: hello@bodyfatpercentage.org.