US cup to US gallon Converter
Type a value — the answer appears instantly. 1 cup = 0.0625 gal.
Reviewed by the OmniCalc teamMethod verified 2026-07-01
0.0625 US gallons
= 0.236588 L= 236.588 ml
equals 0.0625 US gallonsFormula: gal = cup × 0.0625
US cup to US gallon formula
gal = cup × 0.0625
Convert 5 US cups to US gallons
- Start with 5 US cups.
- Multiply by the conversion factor: 5 × 0.0625 = 0.3125.
- So 5 cup = 0.3125 gal.
US cup to US gallon conversion table
| US cups (cup) | US gallons (gal) |
|---|---|
| 0.01 cup | 0.000625 gal |
| 0.1 cup | 0.00625 gal |
| 0.25 cup | 0.015625 gal |
| 0.5 cup | 0.03125 gal |
| 1 cup | 0.0625 gal |
| 2 cup | 0.125 gal |
| 3 cup | 0.1875 gal |
| 4 cup | 0.25 gal |
| 5 cup | 0.3125 gal |
| 6 cup | 0.375 gal |
| 7 cup | 0.4375 gal |
| 8 cup | 0.5 gal |
| 9 cup | 0.5625 gal |
| 10 cup | 0.625 gal |
| 15 cup | 0.9375 gal |
| 20 cup | 1.25 gal |
| 25 cup | 1.5625 gal |
| 30 cup | 1.875 gal |
| 40 cup | 2.5 gal |
| 50 cup | 3.125 gal |
| 75 cup | 4.6875 gal |
| 100 cup | 6.25 gal |
| 250 cup | 15.625 gal |
| 500 cup | 31.25 gal |
| 1,000 cup | 62.5 gal |
| 5,000 cup | 312.5 gal |
| 10,000 cup | 625 gal |
Unit definitions
What is a US cup?
The US customary cup is one sixteenth of a US gallon, about 236.59 millilitres. It is the standard volume measure in American home cooking and baking. It equals eight US fluid ounces.
What is a US gallon?
The US gallon is defined as exactly 231 cubic inches, or 3.785411784 litres. It is the standard unit for fuel, milk, and large liquid quantities in the United States. It is about 20% smaller than the imperial gallon.
Frequently asked questions
How many US gallons are in one US cup?
One US cup equals 0.0625 US gallons (1 cup = 0.0625 gal).
How do I convert US cups to US gallons?
Multiply the value in US cups by 0.0625. For example, 10 cup × 0.0625 = 0.625 gal.
Which is bigger — a US cup or a US gallon?
A US gallon is bigger: one US gallon contains 16 US cups.
Is this US cup to US gallon converter free?
Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.
Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.