Ounces to Grams Converter
1 ounce ≈ 28.3495231 grams
A unit of mass. The fluid ounce is a unit of volume and lives in the Volume category.
1 ounce equals 28.3495 grams
How to convert ounces to grams
These units measure mass. Pounds and ounces mean avoirdupois unless the unit explicitly says troy; a fluid ounce measures volume and requires a density to relate it to mass.
g = oz × 28.34952313One ounce is 28.34952313 grams, so a single multiplication converts any value.
283.495 g ≈ 10 × 28.34952313A unit of mass. The fluid ounce is a unit of volume and lives in the Volume category.
Ounces to grams conversion table
Common values in ounces, converted to grams.
| Ounces (oz) | Grams (g) |
|---|---|
| 1 | 28.349523 |
| 2 | 56.699046 |
| 3 | 85.048569 |
| 4 | 113.39809 |
| 5 | 141.74762 |
| 10 | 283.49523 |
| 20 | 566.99046 |
| 25 | 708.73808 |
| 50 | 1,417.4762 |
| 100 | 2,834.9523 |
| 250 | 7,087.3808 |
| 500 | 14,174.762 |
| 1,000 | 28,349.523 |
About these units
ounceoz
The avoirdupois ounce: exactly 1/16 pound.
gramg
One thousandth of a kilogram. The everyday metric unit for small masses.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.