1 US gallon to US cups
1 gal = 16 cup. Change the amount below, or read the formula and the reference table further down.
1 US gallon equals
US cups
1 gal = 16 cup
The formula
US gallons and US cups both measure volume from the same zero, so a single multiplier does the job.
cup = gal × 16
Going the other way? Convert US cups to US gallons.
US gallons to US cups table
Values either side of 1 gal.
| US gallons (gal) | US cups (cup) |
|---|---|
| -4 | -64 |
| -3.5 | -56 |
| -3 | -48 |
| -2.5 | -40 |
| -2 | -32 |
| -1.5 | -24 |
| -1 | -16 |
| -0.5 | -8 |
| 0 | 0 |
| 0.5 | 8 |
| 1 | 16 |
| 1.5 | 24 |
| 2 | 32 |
| 2.5 | 40 |
| 3 | 48 |
| 3.5 | 56 |
| 4 | 64 |
| 4.5 | 72 |
| 5 | 80 |
| 5.5 | 88 |
| 6 | 96 |
Questions people ask
- How many US cups are in a US gallon?
- One US gallon equals 16 US cups.
- How do I convert US gallons to US cups by hand?
- Multiply the number of US gallons by 16. For a rough check, 16 is close enough for most everyday use.
- What is 1 US gallon in US cups?
- 1 US gallon is 16 US cups.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.