A US customary cup equals 236.5882365 milliliters, widely used in American recipes.
Cup to Ounce
Convert Cup to Ounce 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.
An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
oz = cup × 8.345404452
Results update instantly for Cup to Ounce conversions.
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Formula
oz = cup × 8.345404452
cup = oz × 0.1198264273
Conversion table
| 1 cup | 8.345404 oz |
| 5 cup | 41.727022 oz |
| 10 cup | 83.454045 oz |
| 20 cup | 166.908089 oz |
| 50 cup | 417.270223 oz |
| 100 cup | 834.540445 oz |
| 500 cup | 4172.702226 oz |
| 1000 cup | 8345.404452 oz |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the cup (cup). A US customary cup equals 236.5882365 milliliters, widely used in American recipes.
What is the destination unit in this conversion?
The destination unit is the ounce (oz). An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
How do I convert cup to ounce?
Multiply the cup value by 8.345404452. For example, 10 cup × 8.345404452 = 83.454045 oz.
Is the cup to ounce 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 ounce back to cup?
Yes. Multiply the ounce value by 0.1198264273 to get cup.
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About this conversion
This page converts cup (cup) to ounce (oz) within the cooking converter.
A US customary cup equals 236.5882365 milliliters, widely used in American recipes. An avoirdupois ounce equals 1/16 pound, or about 28.35 grams, common in US recipes.
The formula is oz = cup × 8.345404452, 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 cup values already converted to ounce.