Volume conversion
1 imperial gallon (imp gal) equals 19.215198808078 us customary cup (US cup). Enter any value below to convert from imp gal to US cup.
Enter a value and choose units. Results update instantly.
1 imp gal = 19.2151988081 US cup
| Unit | Value |
|---|---|
| Cubic meter m³ | 0.00454609 |
| Liter L | 4.54609 |
| Milliliter mL | 4,546.09 |
| Cubic centimeter cm³ | 4,546.09 |
| Cubic inch in³ | 277.4194327916 |
| Cubic foot ft³ | 0.1605436532 |
| US gallon US gal | 1.2009499255 |
| Imperial gallon imp gal | 1 |
| US quart US qt | 4.803799702 |
| US customary cup US cup | 19.2151988081 |
| US fluid ounce US fl oz | 153.7215904646 |
Formula
Use this relationship for a direct conversion:
2 imp gal = 38.4303976162 US cup.
US liquid and Imperial gallon definitions are treated separately and use their exact legal values.
Quick reference
| Imperial gallon (imp gal) | US customary cup (US cup) |
|---|---|
| 0.01 | 0.1921519881 |
| 0.1 | 1.9215198808 |
| 1 | 19.2151988081 |
| 2 | 38.4303976162 |
| 5 | 96.0759940404 |
| 10 | 192.1519880808 |
| 25 | 480.3799702019 |
| 50 | 960.7599404039 |
| 100 | 1,921.5198808078 |
| 1,000 | 19,215.1988080777 |
From unit
Exactly 4.54609 liters.
Symbol: imp gal
To unit
Eight US fluid ounces, about 236.588 milliliters.
Symbol: US cup
Keep converting
Source
Definitions are checked against NIST Handbook 44, Appendix C. Calculations use full internal precision before display rounding.
View the complete volume converterQuestions
Use the formula US cup = imp gal x 19.215198808078. 1 imperial gallon (imp gal) equals 19.215198808078 us customary cup (US cup).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.
