Convert gallon (imperial)s to cup (us customary)s
1 gal (imp) = 19.2151988081 cup — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
19.215 198 808 1cup
As a fraction: 9092180000/473176473
1 gal (imp) = 19.2151988081 cup
How to convert gallon (imperial)s to cup (us customary)s
Multiply the number of gallon (imperial)s by 19.2151988081 to get cup (us customary)s.
Gallon (imperial): Exactly 4.546 09 L — the volume of 10 lb of water at 62 °F.
Gallon (imperial) to Cup (US customary) conversion table
| Gallon (imperial)s (gal (imp)) | Cup (US customary)s (cup) |
|---|---|
| 1 gal (imp) | 19.215 199 |
| 2 gal (imp) | 38.430 398 |
| 3 gal (imp) | 57.645 596 |
| 5 gal (imp) | 96.075 994 |
| 10 gal (imp) | 192.151 99 |
| 20 gal (imp) | 384.303 98 |
| 25 gal (imp) | 480.379 97 |
| 50 gal (imp) | 960.759 94 |
| 100 gal (imp) | 1921.5199 |
| 250 gal (imp) | 4803.7997 |
| 500 gal (imp) | 9607.5994 |
| 1000 gal (imp) | 19 215.199 |
Cup (US customary) to Gallon (imperial) conversion table
| Cup (US customary)s (cup) | Gallon (imperial)s (gal (imp)) |
|---|---|
| 1 cup | 0.052 042 137 |
| 2 cup | 0.104 084 27 |
| 3 cup | 0.156 126 41 |
| 5 cup | 0.260 210 68 |
| 10 cup | 0.520 421 37 |
| 20 cup | 1.040 842 7 |
| 25 cup | 1.301 053 4 |
| 50 cup | 2.602 106 8 |
| 100 cup | 5.204 213 7 |
| 250 cup | 13.010 534 |
| 500 cup | 26.021 068 |
| 1000 cup | 52.042 137 |
Frequently asked
How many cup (us customary)s are in a gallon (imperial)?
One gallon (imperial) equals 19.21519881 cup (us customary)s (gal (imp) → cup). That figure is exact, not rounded.
How do you convert gallon (imperial)s to cup (us customary)s?
Multiply the number of gallon (imperial)s by 19.2151988081 to get cup (us customary)s.
What is 1 cup in gallon (imperial)s?
One cup (us customary) is 0.05204213654 gallon (imperial)s.
What is 10 gal (imp) in cup?
10 gal (imp) = 192.151 99 cup.
What exactly is a gallon (imperial)?
Exactly 4.546 09 L — the volume of 10 lb of water at 62 °F.