A US customary cup equals 236.5882365 milliliters, widely used in American recipes.
Cup to Gallon
Convert Cup to Gallon 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.
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A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters.
gal = cup × 0.0625
Results update instantly for Cup to Gallon conversions.
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Formula
gal = cup × 0.0625
cup = gal × 16
Conversion table
| 1 cup | 0.0625 gal |
| 5 cup | 0.3125 gal |
| 10 cup | 0.625 gal |
| 20 cup | 1.25 gal |
| 50 cup | 3.125 gal |
| 100 cup | 6.25 gal |
| 500 cup | 31.25 gal |
| 1000 cup | 62.5 gal |
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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 gallon (gal). A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters.
How do I convert cup to gallon?
Multiply the cup value by 0.0625. For example, 10 cup × 0.0625 = 0.625 gal.
Is the cup to gallon 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 gallon back to cup?
Yes. Multiply the gallon value by 16 to get cup.
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About this conversion
This page converts cup (cup) to gallon (gal) within the cooking converter.
A US customary cup equals 236.5882365 milliliters, widely used in American recipes. A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters.
The formula is gal = cup × 0.0625, 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 gallon.