Convert Ounce to Gram
Use this free converter to change ounces (oz) into grams (g). Ounce and gram both measure weight & mass. As a quick reference, 1 oz equals 28.349523 g, and 1 g equals 0.035273962 oz.
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Gram (g)
28.349523
1 oz = 28.349523 g
Weight & Mass conversion table
| Ounce | Gram |
|---|---|
| 0.01 | 0.28349523 |
| 0.1 | 2.8349523 |
| 0.5 | 14.174762 |
| 1 | 28.349523 |
| 2 | 56.699046 |
| 3 | 85.048569 |
| 5 | 141.74762 |
| 10 | 283.49523 |
| 20 | 566.99046 |
| 25 | 708.73808 |
| 50 | 1417.4762 |
| 100 | 2834.9523 |
| 1,000 | 28349.523 |
How to convert Ounce to Gram
Multiply the ounce value by 28.349523 to get grams.
- Enter the number of ounces you want to convert.
- The converter instantly shows the equivalent value in grams.
- Worked example: 15 oz × 28.349523 = 425.24285 g.
- Use the swap button to reverse the conversion (gram to ounce).
About these units
Ounce (oz)
- Definition
- An ounce (oz) is an imperial unit of mass equal to one sixteenth of a pound, about 28.35 grams.
- History
- It also descends from the Roman "uncia" (a twelfth) and was later fixed at 1/16 of the avoirdupois pound.
- Current use
- Ounces measure food portions, postal weights, and ingredients in the US and UK.
Gram (g)
- Definition
- A gram (g) is one thousandth of a kilogram, a small metric unit of mass used for light objects.
- History
- Defined in the 1790s as the mass of one cubic centimeter of water at its freezing point.
- Current use
- Grams are used for food portions, nutrition labels, postage, and laboratory work worldwide.
Frequently asked questions
How many grams are in a ounce?
There are 28.349523 g in 1 oz. To convert, multiply the number of ounces by 28.349523.
How do I convert ounces to grams?
Multiply the ounce value by 28.349523 to get grams. For example, 10 oz = 283.49523 g.
Is this ounce-to-gram converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Ounce to other weight & mass units
| Unit | 1 Ounce equals |
|---|---|
| Kilogram (kg) | 0.028349523 kg |
| Gram (g) | 28.349523 g |
| Milligram (mg) | 28349.523 mg |
| Microgram (µg) | 28349523 µg |
| Metric Ton (t) | 0.000028349523 t |
| Pound (lb) | 0.0625 lb |
| Stone (st) | 0.0044642857 st |
| US Ton (ton) | 0.00003125 ton |
| Imperial Ton (long ton) | 0.000027901786 long ton |
| Carat (ct) | 141.74762 ct |