About 0.007716 grains to 0.5mg
14,000 grains.
1099 grains
How many grains equal 0.4mg ?
There are 480 grains in a troy ounce.
1 dram = 27.34 grains.
0.4mg is 0.0061729 grains.
One scruple is 20 grains.
Approx 0.062 grains.
1.5 grains = 97.2mg
0.4 mg = 0.0061729 grains.
22.679 grams = 350 grains
0.0062 grains, approx.