Ounces to grams (oz to g)
The answer, the exact formula and a table with the values people look up most.
1 oz = 28.3495 g1 g = 0.035274 ozGrams = Ounces × 28.349523125Example: 7 oz = 198.447 g
1 oz = 28.34952313 g
Conversions people ask for most
Convert ounces to grams
| oz | g |
|---|---|
| 0.5 oz | 14.175 g |
| 1 oz | 28.35 g |
| 2 oz | 56.699 g |
| 3 oz | 85.049 g |
| 4 oz | 113.4 g |
| 5 oz | 141.75 g |
| 6 oz | 170.1 g |
| 7 oz | 198.45 g |
| 8 oz | 226.8 g |
| 10 oz | 283.5 g |
| 12 oz | 340.19 g |
| 16 oz | 453.59 g |
| 20 oz | 566.99 g |
| 32 oz | 907.18 g |
The factor is exact: it comes from the official definition of the units. The table rounds to a few decimals; the converter above gives up to 10 significant digits.
The two units
Ounce oz
An ounce (avoirdupois) is 1/16 of a pound, about 28.35 grams; not to be confused with the troy ounce used for gold (31.1 g).
Gram g
A gram is one thousandth of a kilogram; recipes and nutrition labels outside the US use grams.
Frequently asked questions
How many grams are 7 ounces?
7 oz = 198.447 g.
What is the formula to convert ounces to grams?
Grams = Ounces × 28.349523125. 7 oz = 198.447 g.
Is this conversion exact?
Yes. The factor comes from the international definition of both units, so the only difference you may see is rounding.