I think it depends an aweful lot on who does the skinfolds and what formula they use to calculate %bf. For an older chick like me, most of the skinfold formulas (and prolly DEXA/UW as well) will tell you my %bf is higher than a 20 year old with the exact same skinfold measurements. From the perspective of a competitive bodybuilder this is nonsensical. No one can see my visceral fat and all that matters is getting those skinfolds as small as possible. It's what they see on the outside that counts, and this is all about subQ fat and fluid retention. Any attempt to convert to %bf seems a little misleading to me if you're talking about a BB female. But that's just an opinion, and we all know opinions are like................