Convert Ounces to Grams
Convert Ounces to Grams instantly with the exact formula (1 oz = 28.349523 g), a quick table and the reverse conversion.
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How to use Ounces to Grams Converter
- 1
Open Ounces to Grams Converter on this page. It loads right in your browser.
- 2
Add your file, text or values and adjust the settings.
- 3
Copy the result or download it. Nothing is uploaded or stored.
About this tool
This converter turns Ounces into Grams as you type. One ounce equals 28.349523 g, so the result is exact, not rounded guesswork. It is handy for body weight, cooking, parcels, gym weights and shopping.
How to convert Ounces to Grams
Multiply the value in Ounces by 28.349523. To convert Ounces to Grams, use the formula below.
g = oz × 28.349523
Worked example
15 oz × 28.349523 = 425.243 g
Quick mental estimate
For a rough figure in your head, multiply by about 28: 15 oz ≈ 420 g. Use the converter when you need the exact value.
Ounces to Grams table
| Ounces (oz) | Grams (g) |
|---|---|
| 1 | 28.3495 |
| 2 | 56.699 |
| 5 | 141.748 |
| 10 | 283.495 |
| 15 | 425.243 |
| 20 | 566.99 |
| 25 | 708.738 |
| 50 | 1417.48 |
| 60 | 1700.97 |
| 70 | 1984.47 |
| 80 | 2267.96 |
| 100 | 2834.95 |
Quick reference
- 2 oz = 56.699 g
- 10 oz = 283.495 g
- 20 oz = 566.99 g
- 50 oz = 1417.48 g
- 70 oz = 1984.47 g
- 100 oz = 2834.95 g
Where Ounces and Grams are used
Kilograms and grams are the standard almost everywhere; pounds and ounces are common in the US, and the UK still states body weight in stone. Recipes, shipping rates and fitness apps often use a different system from the one you know.
Tips
- Use the swap button to convert Grams back to Ounces.
- Choose 0 to 6 decimals; the full-precision value is used internally.
- The side panel also shows the value in every other unit of the same type.
Why use this converter
It is free, needs no sign-up and runs entirely in your browser, so it keeps working even offline once the page is loaded. Need the opposite? Use the Grams to Ounces converter or the full unit converter.
Features
- Instant Ounces to Grams conversion as you type
- Exact factor: 1 oz = 28.349523 g
- Quick conversion table of common values
- Swap button for Grams to Ounces
- Choose 0 to 6 decimal places
- Works offline in your browser
Frequently asked questions
How many Grams are in one ounce?
One ounce equals 28.349523 g.
How do I convert Ounces to Grams?
Multiply the number of Ounces by 28.349523. For example, 15 oz = 425.243 g.
What is 50 oz in Grams?
50 oz equals 1417.48 g.
Is the conversion exact?
Yes. The tool uses the internationally defined conversion factor and only rounds the displayed result to the decimals you choose.