Convert Gallons (US) to Cups (US)
gal to cup · volume conversion
What are gallons (us) and cups (us)?
A US gallon is 4 quarts (about 3.785 L), the standard unit for fuel and large liquids in the US. A US cup is 8 fluid ounces (about 237 mL), the standard recipe measure in the US. For scale: a standard water bottle holds about 500 mL (17 fl oz), and a US gallon is 3.785 L.
How to convert gallons (us) to cups (us)
1 gal = 16 cup. To convert, multiply the number of gallons (us) by 16. For example, 5 gal = 80.0001 cup, and 20 gal = 320 cup. To go the other way, multiply cups (us) by 0.0625 (since 1 cup = 0.0625 gal).
Gallons (US) to Cups (US) conversion table
| Gallons (US) (gal) | Cups (US) (cup) |
|---|---|
| 1 | 16 |
| 2 | 32 |
| 5 | 80.0001 |
| 10 | 160 |
| 20 | 320 |
| 50 | 800.001 |
| 100 | 1,600 |
FAQ
What is 1 gal in cup?
1 gal = 16 cup. To convert any amount, multiply the number of gallons (us) by 16.
How do I convert cups (us) back to gallons (us)?
Go the other way: 1 cup = 0.0625 gal, so multiply cups (us) by 0.0625 to get gallons (us).
Is a gallons (us) bigger than a cups (us)?
Yes — 1 gal is the larger unit, equal to 16 cup.
Are these volume conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.