A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters.
Gallon to Cup
Convert Gallon to Cup 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.
A US customary cup equals 236.5882365 milliliters, widely used in American recipes.
cup = gal × 16
Results update instantly for Gallon to Cup conversions.
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Formula
cup = gal × 16
gal = cup × 0.0625
Conversion table
| 1 gal | 16 cup |
| 5 gal | 80 cup |
| 10 gal | 160 cup |
| 20 gal | 320 cup |
| 50 gal | 800 cup |
| 100 gal | 1600 cup |
| 500 gal | 8000 cup |
| 1000 gal | 16000 cup |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the gallon (gal). A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters.
What is the destination unit in this conversion?
The destination unit is the cup (cup). A US customary cup equals 236.5882365 milliliters, widely used in American recipes.
How do I convert gallon to cup?
Multiply the gallon value by 16. For example, 10 gal × 16 = 160 cup.
Is the gallon to cup 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 cup back to gallon?
Yes. Multiply the cup value by 0.0625 to get gallon.
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About this conversion
This page converts gallon (gal) to cup (cup) within the cooking converter.
A US liquid gallon equals 4 US quarts, or exactly 3.785411784 liters. A US customary cup equals 236.5882365 milliliters, widely used in American recipes.
The formula is cup = gal × 16, 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 gallon values already converted to cup.