Convert ounce to gram
1 oz = 28.34952313 g
1 oz = 28.3 g
1 oz in every mass unit
| microgram | 28,300,000 μg |
| milligram | 28,300 mg |
| gram | 28.3 g |
| kilogram | 0.0283 kg |
| metric tonne | 0.0000283 t |
| ounce | 1 oz |
| pound | 0.0625 lb |
| stone | 0.00446 st |
| US short ton | 0.0000313 ton |
| grain | 438 gr |
| unified atomic mass unit (dalton) | 1.71e+25 u |
How the conversion works
Multiply by 28.34952313 to go from ounce to gram, 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? gram to ounce — 1 g = 0.03527396195 oz.
ounce to gram — common values
| 1 oz | 28.349523 g |
| 2 oz | 56.699046 g |
| 3 oz | 85.048569 g |
| 5 oz | 141.74762 g |
| 10 oz | 283.49523 g |
| 15 oz | 425.24285 g |
| 20 oz | 566.99046 g |
| 25 oz | 708.73808 g |
| 50 oz | 1,417.4762 g |
| 75 oz | 2,126.2142 g |
| 100 oz | 2,834.9523 g |
| 250 oz | 7,087.3808 g |
| 500 oz | 14,174.762 g |
| 1000 oz | 28,349.523 g |