Ounces to Grams Conversion

How many grams in an ounce?

Ounces to grams (oz to g) conversion factors are listed below. To find out how many grams in an ounce, multiply by the conversion factors or use the converter.

1 Ounce = 28.3495231 Grams
1 Troy Ounce = 31.1034768 Grams

There are 28.3495231 grams in an ounce, because by definition 1 kilogram is 2.20462 pounds (35.27392 ounces) and there are 1000 grams in a kilogram, that makes 1000 / 35.27392 = 28.349 grams in an ounce.

For example, to find out how many grams there are in an ounce and a half, multiply the ounce value by the conversion factor, that makes 1.5 oz * 28.3495231 = 42.52 grams in an ounce and a half.

Ounce is a unit of mass in US customary and imperial measurement systems. There are 16 ounces in a pound and 35.274 ounces in a kilogram. The abbreviation is "oz".

Gram is a unit of mass in metric system. There are 28.349 grams in an ounce, 453.592 grams in a pound and 1000 grams in a kilogram. The abbreviation is "g".


Enter an ounce value to convert into grams and click on the "convert" button.

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Ounces to Grams Conversion Table

1 oz28.35 g26 oz737.09 g51 oz1445.83 g76 oz2154.56 g
2 oz56.7 g27 oz765.44 g52 oz1474.18 g77 oz2182.91 g
3 oz85.05 g28 oz793.79 g53 oz1502.52 g78 oz2211.26 g
4 oz113.4 g29 oz822.14 g54 oz1530.87 g79 oz2239.61 g
5 oz141.75 g30 oz850.49 g55 oz1559.22 g80 oz2267.96 g
6 oz170.1 g31 oz878.84 g56 oz1587.57 g81 oz2296.31 g
7 oz198.45 g32 oz907.18 g57 oz1615.92 g82 oz2324.66 g
8 oz226.8 g33 oz935.53 g58 oz1644.27 g83 oz2353.01 g
9 oz255.15 g34 oz963.88 g59 oz1672.62 g84 oz2381.36 g
10 oz283.5 g35 oz992.23 g60 oz1700.97 g85 oz2409.71 g
11 oz311.84 g36 oz1020.58 g61 oz1729.32 g86 oz2438.06 g
12 oz340.19 g37 oz1048.93 g62 oz1757.67 g87 oz2466.41 g
13 oz368.54 g38 oz1077.28 g63 oz1786.02 g88 oz2494.76 g
14 oz396.89 g39 oz1105.63 g64 oz1814.37 g89 oz2523.11 g
15 oz425.24 g40 oz1133.98 g65 oz1842.72 g90 oz2551.46 g
16 oz453.59 g41 oz1162.33 g66 oz1871.07 g100 oz2834.95 g
17 oz481.94 g42 oz1190.68 g67 oz1899.42 g125 oz3543.69 g
18 oz510.29 g43 oz1219.03 g68 oz1927.77 g150 oz4252.43 g
19 oz538.64 g44 oz1247.38 g69 oz1956.12 g175 oz4961.17 g
20 oz566.99 g45 oz1275.73 g70 oz1984.47 g200 oz5669.9 g
21 oz595.34 g46 oz1304.08 g71 oz2012.82 g250 oz7087.38 g
22 oz623.69 g47 oz1332.43 g72 oz2041.17 g300 oz8504.86 g
23 oz652.04 g48 oz1360.78 g73 oz2069.52 g500 oz14174.76 g
24 oz680.39 g49 oz1389.13 g74 oz2097.86 g750 oz21262.14 g
25 oz708.74 g50 oz1417.48 g75 oz2126.21 g 1000 oz 28349.52 g