Convert Ounces to Grams

1 oz = 28.3495 g

Conversion Formula

1 oz = 28.3495 g

Common Ounce to Gram Conversions

Ounces (oz)Grams (g)
0.514.1747
128.3495
256.699
385.0485
4113.398
5141.748
10283.495
15425.243
20566.99
25708.737
501417.47
752126.21
1002834.95
2507087.38
50014174.8
75021262.1
100028349.5
250070873.8
5000141748
10000283495

How to Convert Ounces to Grams

To convert ounces to grams, multiply the ounce value by 28.3495.

For example, 5 ounces is equal to 5 × 28.3495 = 141.748 grams.

The ounce (oz) and the gram (g) are both units of weight. Understanding the relationship between these units is helpful for everyday conversions, scientific calculations, and engineering applications.

Understanding Ounces and Grams

What is a Ounce (oz)?

The ounce (oz) is a unit of mass equal to 1/16 of a pound, or approximately 28.35 grams.

Ounces are commonly used in the US for food portions, postal weight, and measuring precious metals (troy ounce).

What is a Gram (g)?

The gram (g) is a metric unit of mass equal to one thousandth of a kilogram. Originally defined as the mass of one cubic centimeter of water at 4°C.

Grams are commonly used in cooking, nutrition labeling, and science for measuring small quantities.

Frequently Asked Questions

How many Grams are in 1 Ounce?

1 Ounce (oz) is equal to 28.3495 Grams (g).

How do I convert Ounces to Grams?

To convert Ounces to Grams, multiply the value by 28.3495. For example, 10 oz = 283.495 g.

How many Ounces are in 1 Gram?

1 Gram (g) is equal to 0.035274 Ounces (oz).

What is the formula to convert Ounces to Grams?

The formula is: Grams = Ounces × 28.3495. This means you multiply the number of Ounces by 28.3495 to get the equivalent in Grams.

How much is 100 Ounces in Grams?

100 Ounces (oz) is equal to 2834.95 Grams (g). You can use the converter above for any custom value.

What is a Ounce?

The ounce (oz) is a unit of mass equal to 1/16 of a pound, or approximately 28.35 grams. Ounces are commonly used in the US for food portions, postal weight, and measuring precious metals (troy ounce).

What is a Gram?

The gram (g) is a metric unit of mass equal to one thousandth of a kilogram. Originally defined as the mass of one cubic centimeter of water at 4°C. Grams are commonly used in cooking, nutrition labeling, and science for measuring small quantities.

Is converting Ounces to Grams a common conversion?

Yes, converting between Ounces and Grams is a common weight conversion used in everyday life, science, and engineering. Our converter provides instant, accurate results.

Related Conversions

Conversion factors sourced from SI (BIPM) and NIST standards. Reviewed by the MicroCalcTools engineering team.

Last updated: April 2026