Ounces to Grams Converter
Type a number to convert ounces to grams. The result updates as you type, and you can swap the units to convert back.
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The formula
grams = ounces x 28.35
How to convert ounces to grams
To convert ounces to grams, multiply by 28.35. One ounce equals 28.35 grams, and one gram equals 0.03527 ounces.
A worked example
12 ounces is 340.19 grams.
Quick conversion table
| Ounces | Grams |
|---|---|
| 0.5 oz | 14.175 g |
| 1 oz | 28.35 g |
| 2 oz | 56.699 g |
| 3 oz | 85.049 g |
| 4 oz | 113.4 g |
| 6 oz | 170.1 g |
| 8 oz | 226.8 g |
| 10 oz | 283.5 g |
| 12 oz | 340.19 g |
| 16 oz | 453.59 g |
| 24 oz | 680.39 g |
| 32 oz | 907.18 g |
And the other way: grams to ounces
| Grams | Ounces |
|---|---|
| 1 g | 0.03527 oz |
| 2 g | 0.07055 oz |
| 5 g | 0.17637 oz |
| 10 g | 0.35274 oz |
| 20 g | 0.70548 oz |
| 25 g | 0.88185 oz |
| 50 g | 1.7637 oz |
| 100 g | 3.5274 oz |
When you will need it
Recipes, postal rates and jewellery often use ounces, while kitchen scales show grams.
One ounce is about 28.35 g, so 4 oz is a bit over 113 g.
Ounces to Grams Converter: frequently asked questions
How many grams are in one ounce?
One ounce is 28.35 grams.
How many ounces are in one gram?
One gram is 0.03527 ounces.
Is this ounces to grams conversion exact?
The factor is exact where the units are defined that way, and we show the result rounded for readability.
How exact is the conversion?
It uses the internationally agreed definitions, and rounds only the number you see.
Is what I enter in this converter saved or sent anywhere?
No. The calculation runs in your browser, so what you enter is not sent to our servers. We only count, anonymously, whether a tool ran successfully.
Is this converter free to use?
Yes. It is free, needs no sign-up and has no usage limit.
Last reviewed: October 3, 2026