Gallon to Cup Converter
Convert gallon to cup instantly.
Standard volume units
liter 378.541
milliliter 378541.178
cup 1600
fluid ounce 12800
pint 800
Fun comparisons
espresso shots ☕~ 12618.04
standard water bottles 🍶~ 757.08
bathtubs 🛁~ 2
Olympic swimming pools 🏊~ Less than 0.01
How to convert gallon to cup
Enter your value in gallon and see the equivalent in cup instantly. The converter includes real-world comparisons - like water bottles and bathtubs - to help you picture the volume.
The US gallon is used for large liquid volumes like fuel and juice jugs; the cup is a cooking measurement equal to 8 fluid ounces. There are exactly 16 US cups in a gallon.
Need the opposite direction? Convert cup to gallon just as easily, or explore all our volume conversions.
Common gallon to cup conversions
| Gallon (gal) | Cup (cup) |
|---|---|
| 1 | 16 |
| 5 | 80 |
| 10 | 160 |
| 25 | 400 |
| 50 | 800 |
| 100 | 1600 |
| 500 | 8000 |
| 1000 | 16000 |
Frequently asked questions
1 gallon equals 16 cup.
Multiply by 16. For example, 5 gal = 80 cup.
A half gallon equals exactly 8 US cups.
1 cup equals 0.0625 gallon.
100 gallon equals 1600 cup.