An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
Ounce to Gram
Convert Ounce to Gram instantly. Free online cooking unit converter with exact formula, conversion table and FAQ.
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Convert cooking volume and mass units used in recipes and nutrition workflows.
Context values
Some unit families need one extra value for a physically accurate result.
The gram is one-thousandth of a kilogram, a standard metric unit of mass.
g = oz × 28.34952313
Results update instantly for Ounce to Gram conversions.
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Formula
g = oz × 28.34952313
oz = g × 0.03527396195
Conversion table
| 1 oz | 28.349523 g |
| 5 oz | 141.747616 g |
| 10 oz | 283.495231 g |
| 20 oz | 566.990463 g |
| 50 oz | 1417.476156 g |
| 100 oz | 2834.952313 g |
| 500 oz | 14174.761562 g |
| 1000 oz | 28349.523125 g |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the ounce (oz). An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
What is the destination unit in this conversion?
The destination unit is the gram (g). The gram is one-thousandth of a kilogram, a standard metric unit of mass.
How do I convert ounce to gram?
Multiply the ounce value by 28.34952313. For example, 10 oz × 28.34952313 = 283.495231 g.
Is the ounce to gram conversion exact?
Yes. This conversion uses a fixed factor defined for cooking measurement standards, so results are consistent every time.
Where is this conversion commonly used?
It's used when following recipes, adjusting ingredient quantities, or converting between US customary and metric cooking measurements.
Can I convert gram back to ounce?
Yes. Multiply the gram value by 0.03527396195 to get ounce.
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About this conversion
This page converts ounce (oz) to gram (g) within the cooking converter.
An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes. The gram is one-thousandth of a kilogram, a standard metric unit of mass.
The formula is g = oz × 28.34952313, based on each unit's fixed relationship to the cooking converter's reference units.
Results are consistent because the conversion relies on a fixed numerical ratio rather than an estimate.
Use the calculator above for instant results, or the table below for common ounce values already converted to gram.