Grains to Micrograms
Type a value in gr and the µg equivalent appears instantly.
How to convert gr to µg
Multiply the gr value by 64798.91.
1 gr = 64798.91 µg
Quick conversion table
| gr | µg |
|---|---|
| 1 | 64798.91 |
| 2 | 129597.82 |
| 5 | 323994.55 |
| 10 | 647989.1 |
| 20 | 1295978.2 |
| 50 | 3239945.5 |
| 100 | 6479891 |
| 500 | 32399455 |
| 1000 | 64798910 |
About the units
Grains (gr): The old apothecary unit: exactly 64.79891 mg. Bullets, arrows and gunpowder are still measured in grains.
Micrograms (µg): One millionth of a gram, written mcg on medicine labels to avoid misreading the µ symbol. Vitamins and hormones.