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Disclaimer

Last updated: October 2026

FatPulse is a body fat percentage calculator that estimates body fat percentage from tape measurements using the US Navy method and from BMI, then places the result in a category and splits the reading into lean and fat mass. The Navy formula combines neck, waist, hip and height in a logarithmic equation, while the BMI method uses a simpler age-adjusted fit — showing both makes the gap between them visible instead of hiding it behind a single number. Everything below concerns that specific calculation and the values it involves, and nothing beyond it.

Practically, all the calculation needs is your measurements and body details. Typical reasons people open FatPulse include comparing the tape and BMI estimates side by side, and in every case the work happens on the visitor's own device rather than ours.

The nature of this site

The content on fatpulse.com exists to inform and educate. Every result is an estimate derived from your input, not a measurement or a piece of professional advice — and FatPulse makes no claim beyond that.

Health and wellness results

Figures such as body fat percentage are derived from formulas fitted to populations, so they describe an average rather than you, and individual variation is large. Nothing here diagnoses, treats, cures or prevents any condition. Before acting on a diet, supplement or training plan based on a FatPulse result — and especially if you are pregnant, managing a condition or on medication — consult a qualified healthcare professional.

No guarantees

For FatPulse, the assumption that matters is that your input sits inside the range the tool is built for. The Navy formula combines neck, waist, hip and height in a logarithmic equation, while the BMI method uses a simpler age-adjusted fit — showing both makes the gap between them visible instead of hiding it behind a single number. Beyond that range — and wherever rounding, unit handling or browser rendering intrudes — the Site carries no warranty at all.

Links to other sites

External links are offered for reference only. We neither control nor vouch for outside content or its accuracy.

How the site is funded

Adverts pay for the Site and nothing more. They cannot influence a result, and an ad appearing here is not a recommendation.

Your responsibility

The final check is yours: make sure a result matches your situation before you rely on it. Found an error? The contact page is the fastest way to tell us.