Showing posts with label grain. Show all posts
Showing posts with label grain. Show all posts

Tuesday, June 20, 2017

Grain to mg or gram??

Phenobarbital comes in grains or mg, and it's VERY CONFUSING

1/4 grain = 16.2mg = 15mg
1/2 grain = 32.4mg = 30mg
1 grain = 64.8mg = 60mg
1 & 1/2 grain = 97.2mg