Convert US cups to US gallons
1 cup = 0.0625 gal. Change the amount below, or read the formula and the reference table further down.
1 US cup equals
US gallons
1 cup = 0.0625 gal
The formula
US cups and US gallons both measure volume from the same zero, so a single multiplier does the job.
gal = cup × 0.0625
Going the other way? Convert US gallons to US cups.
US cups to US gallons table
Common values, rounded for reading.
| US cups (cup) | US gallons (gal) |
|---|---|
| 1 | 0.0625 |
| 2 | 0.125 |
| 3 | 0.1875 |
| 4 | 0.25 |
| 5 | 0.3125 |
| 6 | 0.375 |
| 7 | 0.4375 |
| 8 | 0.5 |
| 9 | 0.5625 |
| 10 | 0.625 |
| 15 | 0.9375 |
| 20 | 1.25 |
| 25 | 1.5625 |
| 30 | 1.875 |
| 40 | 2.5 |
| 50 | 3.125 |
| 75 | 4.6875 |
| 100 | 6.25 |
| 250 | 15.625 |
| 500 | 31.25 |
| 1,000 | 62.5 |
Questions people ask
- How many US gallons are in a US cup?
- One US cup equals 0.0625 US gallons.
- How do I convert US cups to US gallons by hand?
- Multiply the number of US cups by 0.0625. For a rough check, 0.063 is close enough for most everyday use.
- What is 1 US cup in US gallons?
- 1 US cup is 0.0625 US gallons.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.