Converters
12
US gallons to US cups Converter
Convert us gallons to us cups instantly with the formula, worked examples, rounding guidance, and related volume conversions.
Units
85
Mode
Live
Pair-specific conversion guide
US gallon to US cup formula
The US gallon is a unit of volume used in the United States for liquid measurements. Converting US gallons to US cups is straightforward: one US gallon equals exactly 16 US cups. This conversion is commonly used in cooking, baking, and other everyday applications where larger liquid volumes need to be portioned into smaller cup measurements.
Formula model
1 gal = 16 cup
1 US gallon equals
Quick factor: 1 gal = 16 cup.
For quick mental conversion, multiply the number of gallons by 16 to get cups. For example, 2 gallons is 32 cups.
When scaling recipes, remember that 1 cup equals 0.0625 gallons, so dividing cup amounts by 16 gives gallons.
Check the measurement system for cooking units: US customary and imperial volumes are not always the same.
Precision and rounding
The calculation uses the catalog's fixed conversion factors between gal and cup. Full decimal precision is kept for the calculation; only the displayed value is rounded for readability.
Reference: NIST conversion factorsVolume
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Conversion table
1 US gallon equals
| Unit | Value |
|---|---|
| Liter L | 3.785411784 |
| Milliliter mL | 3785.411784 |
| Cubic meter m3 | 0.003785411784 |
| US teaspoon tsp | 768 |
| US tablespoon tbsp | 256 |
| US fluid ounce fl oz | 128 |
| US cup cup | 16 |
| US pint pt | 8 |
| US quart qt | 4 |
FAQ
US gallon to US cup questions
How many US cups are in 5 US gallons?
There are 80 US cups in 5 US gallons, since 1 gallon equals 16 cups and 5 × 16 = 80.
Is the US cup the same as the imperial cup?
No, the US cup is different from the imperial cup. The US cup is 8 US fluid ounces, while the imperial cup is 10 imperial fluid ounces. This conversion uses US cups.