How to convert ounces to grams
One ounce equals 28.349523 grams. To convert, multiply the number of ounces by 28.349523:
Mental-math shortcut: Multiply ounces by 28 for a close estimate: 8 oz ≈ 224 g (exact: 226.8 g).
Example
Convert 8 ounces to grams: 8 oz × 28.349523 = 226.8 g.
Ounces to Grams conversion chart
| Ounces (oz) | Grams (g) |
|---|---|
| 0.5 | 14.1748 |
| 1 | 28.3495 |
| 2 | 56.699 |
| 3 | 85.0486 |
| 4 | 113.4 |
| 5 | 141.75 |
| 6 | 170.1 |
| 8 | 226.8 |
| 10 | 283.5 |
| 12 | 340.19 |
| 16 | 453.59 |
| 20 | 566.99 |
| 24 | 680.39 |
| 32 | 907.18 |
What is an ounce?
The avoirdupois ounce (oz) is 1/16 of a pound, exactly 28.349523125 grams. It is used in the US for food portions, packaging and postage. Do not confuse it with the fluid ounce, which measures volume, or the troy ounce (about 31.1 g) used for gold and silver.
What is a gram?
A gram (g) is one thousandth of a kilogram — roughly the mass of a paper clip. Grams are used worldwide for food, recipes, nutrition labels and small objects. One ounce is about 28.35 grams.
Converting the other way? Use the Grams to Ounces converter.
Frequently asked questions
How many grams is one ounce?
One ounce is 28.349523 grams.
How do I convert ounces to grams?
Multiply the value in ounces by 28.349523. For example, 8 oz × 28.349523 = 226.8 g.
What is 16 oz in grams?
16 oz is 453.59 grams.
How do I convert grams to ounces?
Multiply grams by 0.035274 (or divide by 28.349523). You can also use our Grams to Ounces converter.
Conversions use the internationally agreed definitions of each unit (for example, 1 inch = 2.54 cm exactly) and are rounded for display. Volume converters use US customary units unless stated otherwise.
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