Convert grain to ounce
1 gr = 0.002285714286 oz
1 gr = 0.00229 oz
1 gr in every mass unit
| microgram | 64,800 μg |
| milligram | 64.8 mg |
| gram | 0.0648 g |
| kilogram | 0.0000648 kg |
| metric tonne | 6.48e-08 t |
| ounce | 0.00229 oz |
| pound | 0.000143 lb |
| stone | 0.0000102 st |
| US short ton | 7.14e-08 ton |
| grain | 1 gr |
| unified atomic mass unit (dalton) | 3.90e+22 u |
How the conversion works
Multiply by 0.002285714286 to go from grain to ounce, 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? ounce to grain — 1 oz = 437.5 gr.
grain to ounce — common values
| 1 gr | 0.0022857143 oz |
| 2 gr | 0.0045714286 oz |
| 3 gr | 0.0068571429 oz |
| 5 gr | 0.011428571 oz |
| 10 gr | 0.022857143 oz |
| 15 gr | 0.034285714 oz |
| 20 gr | 0.045714286 oz |
| 25 gr | 0.057142857 oz |
| 50 gr | 0.11428571 oz |
| 75 gr | 0.17142857 oz |
| 100 gr | 0.22857143 oz |
| 250 gr | 0.57142857 oz |
| 500 gr | 1.1428571 oz |
| 1000 gr | 2.2857143 oz |