Gallons to Cups Converter
Convert gallons to cups with a free calculator
How to Convert Gallons to Cups
Formula: 1 gal = 16 cup
Multiply your gallons value by 16 to get the equivalent in cups. The conversion factor 16 is based on the internationally accepted definitions of both units.
Gallons to Cups Reference Table
| Gallons (gal) | Cups (cup) |
|---|---|
| 1 gal | 16 cup |
| 5 gal | 80 cup |
| 10 gal | 160 cup |
| 25 gal | 400 cup |
| 50 gal | 800 cup |
| 100 gal | 1,600 cup |
| 500 gal | 8,000 cup |
| 1000 gal | 16,000 cup |
Related Conversions
Frequently Asked Questions
How many cups are in a gallon? +
There are 16 US cups in 1 US gallon.
How many cups are in a half gallon? +
A half gallon is 8 cups or 64 fluid ounces. A half gallon of milk is a common size at grocery stores.
How much water should you drink per day in cups? +
The common recommendation is about 8 cups (half a gallon), though actual needs vary based on body weight, activity level, and climate.