Are you running wp? http://wordpress.org/plugins/calculatorpro-calculators/ Drop a note if not. Its pretty easy to conjur up something that will already work for you. Nigel
http://www.downscripts.com/us-navy-body-fat-calculator_php-script.html demo is in the zip.. Its a tad simple, or the output is at least. Its going to be pretty accurate and if you need a hand integrating that I will let someone else do that. I should not be helping folks for free in this board lol.. there is the logic for it though, based on some sorta actual math. Nigel
Hello Nigel Lew, sorry for the late answer but this is exact what im looking for. I made some small changes by my own works great thanks for the link. Playaner