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my scale does BF not sure how accurate it is tho. According to your calculator I am FFMI 18 :/ My BF% must be wrong, cause if I were to lose 7lbs I would be classified as underweight. Maybe measuring with Calipers would be the most accurate body fat measurement to trust.

Sorry. But as I disclosed in this article. The scale is used only for men. There is probably another scale for women out there, so you're probably not underweight! Don't feel bad!

Oh I see, I missed the part about being for men. Thanks!