DEXA, calipers, BIA scales — all are estimates. The percentages differ, so re-measure with the same method and look at trends, not absolute numbers.

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Fat Mass Calculator

From total weight and body fat percentage, get total fat mass and lean mass split into kilograms.

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Weight (kg)

Body fat %

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Frequently Asked Questions

Body fat from where?: DEXA, calipers, BIA scales — all are estimates. The percentages differ, so re-measure with the same method and look at trends, not absolute numbers.