Convert Ounces to Grams

1 oz = 28.349523 g. Enter any value below.

Converted to every unit

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Ounces to Grams formula

g = oz × 28.349523

An avoirdupois ounce is 1/16 of a pound, or about 28.35 grams. A gram is one thousandth of a kilogram, used for food and small items.

Worked example

To convert 5 oz, multiply by 28.349523: 5 oz × 28.349523 = 141.747616 g.

Ounces to Grams conversion table

OuncesGrams
1 oz28.349523 g
2 oz56.699046 g
3 oz85.048569 g
4 oz113.398093 g
5 oz141.747616 g
6 oz170.097139 g
7 oz198.446662 g
8 oz226.796185 g
9 oz255.145708 g
10 oz283.495231 g
12 oz340.194277 g
15 oz425.242847 g
20 oz566.990463 g
25 oz708.738078 g
30 oz850.485694 g
40 oz1,133.9809 g
50 oz1,417.4762 g
75 oz2,126.2142 g
100 oz2,834.9523 g
250 oz7,087.3808 g
500 oz14,174.7616 g
1,000 oz28,349.5231 g

Frequently asked questions

How many grams are in an ounce?

1 oz equals 28.349523 g.

How do I convert ounces to grams?

Use the formula g = oz × 28.349523. For example, 5 oz = 141.747616 g.

Last reviewed: October 2026 · Uses exact, internationally defined conversion factors.