Direct conversion
Convert ounce [oz] to gram [g] instantly with formula, examples, chart, and FAQs.
1 ounce [oz] = 28.349523 gram [g]
1 ounce [oz] = 28.349523 gram [g]
Example: 1 ounce [oz] equals 28.349523 gram [g].
Weight and mass conversions use kilogram as the reference unit. Common factors include 1 pound = 0.45359237 kilogram and 1 ounce = 0.028349523125 kilogram.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The ounce is an avoirdupois mass unit equal to 28.349523125 grams.
HistoryThe avoirdupois ounce became the standard ounce for general weight measurement.
Current useOunces are used for food packages, recipes, postal weights, consumer goods, and small shipments.
The gram is a metric mass unit equal to one thousandth of a kilogram.
HistoryGrams are part of the metric system and became common for small everyday weights.
Current useGrams are used for food, nutrition, recipes, lab samples, postage, jewelry, and product labels.
| ounce [oz] | gram [g] |
|---|---|
| 1 | 28.349523 |
| 2 | 56.699046 |
| 5 | 141.747616 |
| 10 | 283.495231 |
| 20 | 566.990463 |
| 25 | 708.738078 |
| 50 | 1417.476156 |
| 100 | 2834.952313 |
| 1000 | 28349.523125 |
Use this formula: 1 ounce [oz] = 28.349523 gram [g] Enter your value in the calculator and the result updates instantly.
1 ounce [oz] equals 28.349523 gram [g].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.