How many mg equal a gr?

Answer 1

It depends on what you're asking. Is gr a gram or is gr a grain?

There are 1000 mg in a gram - hence the prefix milli.

There are approx. 60 mg in a grain measurement. I say approx. because the actual formula of grain to gram conversion works out to be about 10 millionths behind the decimal so it rounds to 0.060 gram or 60 mg!

Hope this helps.

Earl L. CC-Nremt-Paramedic aka Ditch Doctor/Ambulance Driver Man