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Ounces to grams (oz to g)

1 oz = 28.34952313 g. Enter any value below to convert ounces to grams instantly, or use the weight converter for every other unit.

Maintained by Jairo TunisseLast updated Editorial policy

1 oz = 28.34952313 g

g = oz × 28.34952313
1 g = 0.03527396195 oz

Convert weight

Common weight conversions

1 oz28.34952313 g
1 lb0.45359237 kg
1 st6.35029318 kg
1 st14 lb
1 kg2.204622622 lb
1 g0.03527396195 oz
1 t2,204.622622 lb

Ounces to grams conversion table

Ounces to grams
Ounces (oz)Grams (g)
0.5 oz14.17476156 g
1 oz28.34952313 g
2 oz56.69904625 g
4 oz113.3980925 g
8 oz226.796185 g
12 oz340.1942775 g
16 oz453.59237 g
32 oz907.18474 g

The formula

g = oz × 28.34952313

1 oz (avoirdupois) = 1/16 lb = 28.349523125 g. 1 g = 0.001 kg. These are exact definitions, so the only rounding is in the displayed result (10 significant digits).

When you need it

Ounces to grams helps when following a US recipe with a kitchen scale set to grams, or comparing package sizes. One ounce is exactly 28.349523125 g; 16 ounces make a pound.

Frequently asked questions

How do I convert ounces to grams?

Multiply the value in ounces by 28.34952313 (or divide by 0.03527396195). For example, 4 oz = 113.3980925 g.

How many grams are in one ounce?

1 oz = 28.34952313 g.

How many grams are in 8 oz?

8 oz is half a pound, about 226.8 g.

Is a troy ounce the same?

No. A troy ounce (precious metals) is 31.1034768 g, about 10% heavier, and is not used here.