Convert milligram to grain
1 mg = 0.01543235835 gr
1 mg = 0.0154 gr
1 mg in every mass unit
| microgram | 1,000 μg |
| milligram | 1 mg |
| gram | 0.001 g |
| kilogram | 0.000001 kg |
| metric tonne | 1.00e-09 t |
| ounce | 0.0000353 oz |
| pound | 0.0000022 lb |
| stone | 1.57e-07 st |
| US short ton | 1.10e-09 ton |
| grain | 0.0154 gr |
| unified atomic mass unit (dalton) | 6.02e+20 u |
How the conversion works
Multiply by 0.01543235835 to go from milligram to grain, or divide by it to go back. Every conversion on this site routes through the SI value (kg) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? grain to milligram — 1 gr = 64.79891 mg.
milligram to grain — common values
| 1 mg | 0.015432358 gr |
| 2 mg | 0.030864717 gr |
| 3 mg | 0.046297075 gr |
| 5 mg | 0.077161792 gr |
| 10 mg | 0.15432358 gr |
| 15 mg | 0.23148538 gr |
| 20 mg | 0.30864717 gr |
| 25 mg | 0.38580896 gr |
| 50 mg | 0.77161792 gr |
| 75 mg | 1.1574269 gr |
| 100 mg | 1.5432358 gr |
| 250 mg | 3.8580896 gr |
| 500 mg | 7.7161792 gr |
| 1000 mg | 15.432358 gr |