UnitConOunces to Grams Converter
Convert ounces to grams for recipes, food portions, supplements, and package weights. This is a daily conversion for anyone using US customary recipes with metric kitchen scales.
Formula
Multiply ounces by 28.3495 to get grams. To reverse, divide grams by 28.3495 to get ounces.
Quick reference
| Ounce (oz) | Gram (g) |
|---|---|
| 1 | 28.34952 |
| 2 | 56.69905 |
| 4 | 113.3981 |
| 6 | 170.0971 |
| 8 | 226.7962 |
| 10 | 283.4952 |
| 12 | 340.1943 |
| 14 | 396.8933 |
| 16 | 453.5924 |
| 32 | 907.1847 |
About these units
Ounce
The avoirdupois ounce has roots in medieval English and French trading systems. Fixed at exactly 28.349523125 grams in 1959, it is used for most everyday measurements in the US and UK.
Gram
The gram was introduced as part of the French metric system in 1795. Its small, precise scale makes it ideal for laboratory, culinary, and retail measurement throughout the metric world.
Frequently asked questions
16 × 28.3495 = 453.59 grams — approximately one pound.
4 × 28.3495 ≈ 113.4 grams.
No. Ounces (oz) measure mass while fluid ounces (fl oz) measure volume. They are different quantities; one fluid ounce of water weighs approximately 29.57 grams.