oz → g
Ounces to Grams Converter
1 ounce (oz) is equal to 28.35 grams (g). To convert ounces to grams, multiply the ounce value by 28.34952313.
American recipes, postal rates and nutrition guides often use ounces, while digital scales and food packaging around the world display grams. Since one ounce equals exactly 28.349523125 grams, multiplying ounces by 28.35 converts any weight in seconds.
How to convert ounces to grams
grams = ounces × 28.34952313
Ounces to Grams conversion table
| ounces (oz) | grams (g) |
|---|---|
| 0.5 | 14.17 |
| 1 | 28.35 |
| 2 | 56.7 |
| 3 | 85.05 |
| 4 | 113.4 |
| 5 | 141.75 |
| 8 | 226.8 |
| 10 | 283.5 |
| 12 | 340.19 |
| 16 | 453.59 |
| 24 | 680.39 |
| 32 | 907.18 |
Frequently asked questions
How many grams are in a ounce?
There are 28.35 grams in 1 ounce. Multiply any ounce value by 28.34952313 to get the equivalent in grams.
What is 4 oz in grams?
4 oz equals 113.4 g. You can verify this with the interactive converter above — the result updates instantly as you type.
What is the formula to convert ounces to grams?
grams = ounces × 28.34952313. For example, 12 oz × 28.34952313 = 340.19 g.
Can I weigh something in ounces without a scale?
Yes — Scale for Grams estimates an object's weight from a single photo using computer vision, and shows the result in grams, kilograms, pounds and ounces at once. It works free in the browser at scaleforgrams.com with no account required.
Scale for Grams
Don't know the ounce value? Weigh it with a photo.
Scale for Grams estimates any object's weight from a single photo and shows it in grams, kilograms, pounds and ounces at once — free, in your browser.
Try the photo scale