Ounces to Grams converter (oz to g)
Convert Ounces (oz) to Grams (g) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
How to convert Ounces to Grams
1 ounce (oz) is equal to 28.3495231 grams (g).
1 oz = 28.3495231 g
The mass m in grams (g) is equal to the mass m in ounces (oz) multiplied by 28.3495231:
Example: Convert 5 oz to grams:
m(g) = 5 oz × 28.3495231 = 141.748 g
What is a Ounces?
The ounce (oz) is 1÷16 of a pound. Recipes, postage, and small package weights often use ounces.
What is a Grams?
The gram (g) is one-thousandth of a kilogram. Nutrition labels, lab samples, and jewelry masses are commonly listed in grams.
This page converts mass from Ounces into Grams. One oz equals 28.3495231 g.
Ounces to Grams conversion table
Common oz values and the matching g result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Ounces (oz) | Grams (g) |
|---|---|
| 0 oz | 0 g |
| 0.1 oz | 2.83495231 g |
| 1 oz | 28.3495231 g |
| 2 oz | 56.6990462 g |
| 3 oz | 85.0485693 g |
| 4 oz | 113.3980924 g |
| 5 oz | 141.7476155 g |
| 6 oz | 170.0971386 g |
| 7 oz | 198.4466617 g |
| 8 oz | 226.7961848 g |
| 9 oz | 255.1457079 g |
| 10 oz | 283.495231 g |
| 20 oz | 566.990462 g |
| 30 oz | 850.485693 g |
| 40 oz | 1133.980924 g |
| 50 oz | 1417.476155 g |
| 60 oz | 1700.971386 g |
| 70 oz | 1984.466617 g |
| 80 oz | 2267.961848 g |
| 90 oz | 2551.457079 g |
| 100 oz | 2834.95231 g |
How this calculator works
The form on this page is a Ounces-to-Grams converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the g result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many g are in 1 oz?
1 oz = 28.3495231 g.
How do I convert Ounces to Grams?
The mass m in grams (g) is equal to the mass m in ounces (oz) multiplied by 28.3495231:
Is this oz to g converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.