Ounces to Grams Converter

Enter the weight in ounces below to get the value converted to grams.

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1 oz = 28.349523 g

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How to Convert Ounces to Grams

To convert a measurement in ounces to a measurement in grams, multiply the weight by the following conversion ratio: 28.349523 grams/ounce.

Since one ounce is equal to 28.349523 grams, you can use this simple formula to convert:

grams = ounces × 28.349523

The weight in grams is equal to the weight in ounces multiplied by 28.349523.

For example, here's how to convert 5 ounces to grams using the formula above.
grams = (5 oz × 28.349523) = 141.747616 g

How Many Grams Are in an Ounce?

There are 28.349523 grams in an ounce, which is why we use this value in the formula above.

1 oz = 28.349523 g

Ounces and grams are both units used to measure weight. Keep reading to learn more about each unit of measure.

What Is an Ounce?

One ounce is a unit of mass/weight equal to 1/16 of a pound or 28.349523 grams. The common ounce should not be confused with the troy ounce, which is equal to 1/12 of a troy pound.[1]

The ounce is a US customary and imperial unit of weight. Ounces can be abbreviated as oz; for example, 1 ounce can be written as 1 oz.

Learn more about ounces.

What Is a Gram?

A gram is a unit of mass equal to 1/1,000 of a kilogram or 0.035274 ounces, and is equivalent to the mass of one cubic centimeter, or one milliliter, of water.

The gram, or gramme, is an SI unit of weight in the metric system. Grams can be abbreviated as g; for example, 1 gram can be written as 1 g.

Learn more about grams.

Ounce to Gram Conversion Table

Table showing various ounce measurements converted to grams.
Ounces Grams
1 oz 28.35 g
2 oz 56.7 g
3 oz 85.05 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
9 oz 255.15 g
10 oz 283.5 g
11 oz 311.84 g
12 oz 340.19 g
13 oz 368.54 g
14 oz 396.89 g
15 oz 425.24 g
16 oz 453.59 g
17 oz 481.94 g
18 oz 510.29 g
19 oz 538.64 g
20 oz 566.99 g
21 oz 595.34 g
22 oz 623.69 g
23 oz 652.04 g
24 oz 680.39 g
25 oz 708.74 g
26 oz 737.09 g
27 oz 765.44 g
28 oz 793.79 g
29 oz 822.14 g
30 oz 850.49 g
31 oz 878.84 g
32 oz 907.18 g
33 oz 935.53 g
34 oz 963.88 g
35 oz 992.23 g
36 oz 1,021 g
37 oz 1,049 g
38 oz 1,077 g
39 oz 1,106 g
40 oz 1,134 g

References

  1. James Bucki, Troy Ounce vs. Ounce, The Spruce, https://www.thesprucecrafts.com/troy-ounce-vs-ounce-4588158

More Ounce & Gram Conversions