Ounces to Grams Converter
Convert ounce to gram instantly. 1 oz = 28.34952313 g, worked steps and a full reference table.
How to use it
- Type the value in ounce — the result updates as you type.
- Use Swap to flip the direction, or change either dropdown to convert between any two units.
- Click the result to copy it. The URL updates too, so you can bookmark or share the exact conversion.
Examples
| 1 oz | 28.34952313 g |
| 5 oz | 141.7476156 g |
| 10 oz | 283.4952313 g |
| 100 oz | 2834.952313 g |
One ounce equals 28.349523 grams (g). To convert ounces to grams, multiply by 28.349523; to go back the other way, multiply by 0.035273962 instead.
The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.
What ounces and grams actually measure
Ounce (oz) — An ounce is one sixteenth of a pound, about 28.35 grams. Food packaging, postage and cooking in the US.
Gram (g) — A gram is a thousandth of a kilogram. Cooking, postage, nutrition labels and jewellery.
Ounces to Grams conversion table
The most common values, worked out in advance. Anything not listed can be typed straight into the converter.
| oz | g |
|---|---|
| 1 oz | 28.349523 g |
| 2 oz | 56.699046 g |
| 5 oz | 141.74762 g |
| 10 oz | 283.49523 g |
| 25 oz | 708.73808 g |
| 50 oz | 1417.4762 g |
| 100 oz | 2834.9523 g |
How to convert ounces to grams by hand
Multiply the number of ounces by 28.349523.
For example, 25 oz × 28.349523 = 708.73808 g.
Going the other way, divide by 28.349523 — or multiply by 0.035273962, which is the same thing and easier to do in your head.
Everything runs in your browser
There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.
Questions people ask
How many g are in 1 oz?
1 oz equals exactly 28.34952313 g. Multiply any value in ounce by 28.34952313 to get gram.
Is anything uploaded to a server?
No. The whole calculation happens in your browser. Nothing is sent anywhere, and the page keeps working offline once loaded.
Also searched for
People find this page looking for ounce or gram, ounce to gram.
Last updated 18 August 2026