Ounces to Grams Converter
Convert ounces to grams instantly. 1 oz = 28.3495 g. Free two-way converter with the formula and a quick reference table.
How to convert ounces to grams
grams = ounces × 28.3495
One ounce equals 28.3495 grams, so to convert ounces to grams you multiply by 28.3495. Going the other way, one gram is 0.035274 ounces. Both units measure weight & mass, so the conversion is an exact ratio that never changes.
10 ounces = 283.5 grams. Multiply your ounce figure by the factor above (or just type it into the box) to convert any amount.
Need the other direction? grams to ounces
ounces to grams table
| ounces (oz) | grams (g) |
|---|---|
| 1 | 28.3495 |
| 2 | 56.699 |
| 3 | 85.0486 |
| 5 | 141.75 |
| 10 | 283.5 |
| 20 | 566.99 |
| 25 | 708.74 |
| 50 | 1,417.48 |
| 100 | 2,834.95 |
| 250 | 7,087.38 |
| 500 | 14,174.76 |
| 1,000 | 28,349.52 |
Frequently asked questions
How many grams are in a ounce?
One ounce equals 28.3495 grams. So to convert, multiply the number of ounces by 28.3495.
How do I convert ounces to grams?
Multiply by 28.3495, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.