Convert Imperial gallons to US cups
1 imperial gallon = 19.2152 US cups · cup = imp gal × 19.21519881
When you need this conversion
This conversion goes from imperial gallons, the UK volume unit about 20 percent larger than a US gallon, to US cups, the volume-based measure central to American recipes. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Imperial gallons to US cups conversion table
| Imperial gallons (imp gal) | US cups (cup) |
|---|---|
| 1 imp gal | 19.2152 cup |
| 2 imp gal | 38.4304 cup |
| 3 imp gal | 57.6456 cup |
| 5 imp gal | 96.076 cup |
| 10 imp gal | 192.15 cup |
| 15 imp gal | 288.23 cup |
| 20 imp gal | 384.3 cup |
| 25 imp gal | 480.38 cup |
| 50 imp gal | 960.76 cup |
| 75 imp gal | 1,441.14 cup |
| 100 imp gal | 1,921.52 cup |
| 250 imp gal | 4,803.8 cup |
| 500 imp gal | 9,607.6 cup |
| 1,000 imp gal | 19,215.2 cup |
The formula
cup = imp gal × 19.21519881Because both units measure volume, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
US cups to imperial gallons →Related volume conversions
- Milliliters to US cups
- Milliliters to US fluid ounces
- Liters to cubic meters
- Liters to US gallons
- Cubic meters to liters
- Cubic meters to cubic feet
- Cubic feet to cubic meters
- US gallons to liters
- US cups to milliliters
- US fluid ounces to milliliters
- Liters to US cups
- Cubic meters to US cups
Frequently asked questions
- How many US cups are in a imperial gallon?
- There are 19.2152 US cups in 1 imperial gallon. The formula is cup = imp gal × 19.21519881.
- How do you convert imperial gallons to US cups?
- Use the formula cup = imp gal × 19.21519881. For example, 10 imperial gallons equals 192.15 US cups.
- Is the imperial gallons to US cups conversion exact?
- Yes. Imperial gallons and US cups are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is imp gal short for?
- imp gal is the standard symbol for imperial gallon. cup is the symbol for US cup.