Cup to Gallon Converter
Convert cup to gallon instantly.
Standard volume units
liter 23.659
milliliter 23658.824
fluid ounce 800
gallon 6.25
pint 50
Fun comparisons
espresso shots ☕~ 788.63
standard water bottles 🍶~ 47.32
bathtubs 🛁~ 0.13
Olympic swimming pools 🏊~ Less than 0.01
How to convert cup to gallon
Enter your value in cup and see the equivalent in gallon instantly. The converter includes real-world comparisons - like water bottles and bathtubs - to help you picture the volume.
Cups are a common US cooking measurement equal to 8 fluid ounces; gallons are used for large liquid volumes. There are exactly 16 cups in one US gallon.
Need the opposite direction? Convert gallon to cup just as easily, or explore all our volume conversions.
Common cup to gallon conversions
| Cup (cup) | Gallon (gal) |
|---|---|
| 1 | 0.0625 |
| 5 | 0.3125 |
| 10 | 0.625 |
| 25 | 1.5625 |
| 50 | 3.125 |
| 100 | 6.25 |
| 500 | 31.25 |
| 1000 | 62.5 |
Frequently asked questions
1 cup equals 0.0625 gallon.
Multiply by 0.0625. For example, 5 cup = 0.3125 gal.
2.5 gallons equals exactly 40 cups.
1 gallon equals 16 cup.
100 cup equals 6.25 gallon.