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ppm to grams/lb

PostPosted: Mon Dec 01, 2008 10:45 am
by feed nut
how do I convert a feed that has 840ppm to gm/lb

Re: ppm to grams/lb

PostPosted: Tue Dec 02, 2008 12:59 am
by Guest
feed nut wrote:how do I convert a feed that has 840ppm to gm/lb


840 ppm = 840 mg/kg or 0.840 g/kg
Since 1 lb = 0.4536 kg

0.840 g/kg x 0.4536 kg/1 lb = 0.381 g/lb