ACCURATE CONVERSION
US cups to US gallons Converter
Convert US cups (cup) to US gallons (gal) with a standards-based formula.
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How to convert US cups to US gallons
Enter a value in the converter above. The result updates immediately using the relationship below.
FORMULA1 US cup = 0.0625 US gallons
US cups to US gallons conversion table
| US cups (cup) | US gallons (gal) |
|---|---|
| 1 | 0.0625 |
| 5 | 0.3125 |
| 10 | 0.625 |
| 20 | 1.25 |
| 50 | 3.125 |
| 100 | 6.25 |
Common values
For a quick estimate, multiply by the factor above. Use more decimal places when technical work requires additional precision.
Frequently asked questions
How many US gallons are in one US cup?
One US cup equals 0.0625 US gallons.
How do you convert US cups to US gallons?
Multiply the US cup value by 0.0625.
Can I convert US gallons back to US cups?
Yes. One US gallon equals 16 US cups; you can also use the swap button.