1 US cup to Imperial gallons
1 cup = 0.05204214 imp gal. Change the amount below, or read the formula and the reference table further down.
1 US cup equals
Imperial gallons
1 cup = 0.05204214 imp gal
The formula
US cups and Imperial gallons both measure volume from the same zero, so a single multiplier does the job.
imp gal = cup × 0.0520421365
Going the other way? Convert Imperial gallons to US cups.
US cups to Imperial gallons table
Values either side of 1 cup.
| US cups (cup) | Imperial gallons (imp gal) |
|---|---|
| -4 | -0.208169 |
| -3.5 | -0.182147 |
| -3 | -0.156126 |
| -2.5 | -0.130105 |
| -2 | -0.104084 |
| -1.5 | -0.078063 |
| -1 | -0.052042 |
| -0.5 | -0.026021 |
| 0 | 0 |
| 0.5 | 0.026021 |
| 1 | 0.052042 |
| 1.5 | 0.078063 |
| 2 | 0.104084 |
| 2.5 | 0.130105 |
| 3 | 0.156126 |
| 3.5 | 0.182147 |
| 4 | 0.208169 |
| 4.5 | 0.23419 |
| 5 | 0.260211 |
| 5.5 | 0.286232 |
| 6 | 0.312253 |
Questions people ask
- How many Imperial gallons are in a US cup?
- One US cup equals 0.0520421365 Imperial gallons.
- How do I convert US cups to Imperial gallons by hand?
- Multiply the number of US cups by 0.0520421365. For a rough check, 0.052 is close enough for most everyday use.
- What is 1 US cup in Imperial gallons?
- 1 US cup is 0.05204214 Imperial gallons.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.