Online body fat calculator using the U.S. Navy circumference method: enter your height, neck and waist measurements (plus hips for women) to estimate your body fat percentage and get a body-type assessment—calculated locally without uploading.
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Estimated using the U.S. Navy circumference method (US Navy); results are for reference only, rely on body composition testing for professional assessment. Everything is calculated locally in the browser.
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Create a short link so you can reopen or download the result on other devices.