Ounces to Grams Converter
Common when following American recipes or reading US food packaging with a metric kitchen scale.
1 oz = 28.3495 g
grams
1 oz = 28.3495 g
How to convert ounces to grams
Multiply the number of ounces by 28.349523.
Formula
g = oz × 28.349523
The factor is rounded; the converter uses the full-precision value.
Examples
- 1 oz × 28.349523 = 28.3495 g
- 4 oz × 28.349523 = 113.3981 g
- 16 oz × 28.349523 = 453.5924 g
Ounces to grams conversion table
| Ounces (oz) | Grams (g) |
|---|---|
| 0.25 | 7.0874 |
| 0.5 | 14.1748 |
| 1 | 28.3495 |
| 2 | 56.699 |
| 3 | 85.0486 |
| 4 | 113.3981 |
| 5 | 141.7476 |
| 6 | 170.0971 |
| 8 | 226.7962 |
| 10 | 283.4952 |
| 12 | 340.1943 |
| 16 | 453.5924 |
| 20 | 566.9905 |
| 24 | 680.3886 |
| 32 | 907.1847 |
| 64 | 1,814.3695 |
Values rounded to 4 decimal places or 4 significant digits.
About ounces
The avoirdupois ounce is 1/16 of a pound, exactly 28.349523125 grams. It differs from the troy ounce (about 31.1 g) used for precious metals and from the fluid ounce, which measures volume rather than weight.
About grams
The gram is one thousandth of a kilogram. It is the standard unit for food packaging, metric recipes and postage weights.
Frequently asked questions
How many grams are in one ounce?
One ounce equals 28.3495 grams (rounded).
How do I convert ounces to grams?
Multiply the number of ounces by 28.349523. For example: 4 oz × 28.349523 = 113.3981 g.
How many ounces are in one gram?
One gram equals 0.03527 ounces.
Is the oz to g conversion exact?
The factor between these units has more decimals than are useful to show, so it is rounded on this page. The converter itself always calculates with the full-precision value.