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Imperial Gallons to US Cups Converter

Convert Imperial gallons to US cups instantly with this free Imperial gallons to US cups converter. Enter any value to get an accurate volume conversion, plus the formula, the conversion factor and a full reference table.

What is 1 Imperial gallon in US cups?

1 Imperial gallon is equal to 19.2151988 US cups.

1 × 19.2151988 = 19.2151988 US cups

Result19.21519881

1 Imperial gallon = 19.21519881 US cups

Imperial gallons to US cups formula

cup = imp gal × 19.2151988

The Imperial gallons to US cups conversion factor is 19.2151988081, which is exact by definition. 1 Imperial gallon = 19.2151988081 US cups, and 1 US cup = 0.052042136539 Imperial gallons.

Regional note. Gallons differ by region. A US liquid gallon is exactly 3.785411784 liters; an Imperial (UK) gallon is exactly 4.54609 liters — about 20% larger. This page uses the Imperial gallon.

Worked examples

  • 2 Imperial gallons = 38.4303976 US cups2 × 19.2151988 = 38.4303976 US cups
  • 6 Imperial gallons = 115.291193 US cups6 × 19.2151988 = 115.291193 US cups
  • 10 Imperial gallons = 192.151988 US cups10 × 19.2151988 = 192.151988 US cups

Imperial gallons to US cups conversion table

Every value below is calculated with the exact conversion factor and rounded for display.

Imperial gallons to US cups conversion table
Imperial gallons (imp gal)US cups (cup)
1 imp gal19.215199 cup
2 imp gal38.430398 cup
3 imp gal57.645596 cup
4 imp gal76.860795 cup
5 imp gal96.075994 cup
6 imp gal115.29119 cup
7 imp gal134.50639 cup
8 imp gal153.72159 cup
9 imp gal172.93679 cup
10 imp gal192.15199 cup
12 imp gal230.58239 cup
15 imp gal288.22798 cup
20 imp gal384.30398 cup
25 imp gal480.37997 cup
30 imp gal576.45596 cup
50 imp gal960.75994 cup
75 imp gal1,441.1399 cup
100 imp gal1,921.5199 cup
500 imp gal9,607.5994 cup
1,000 imp gal19,215.199 cup

Common Imperial gallons values

Frequently asked questions

What is 1 Imperial gallon in US cups?
1 Imperial gallon is equal to 19.2151988 US cups.
How many Imperial gallons are in one US cup?
There are 0.052042137 Imperial gallons in 1 US cup.
How do you convert Imperial gallons to US cups?
Multiply the number of Imperial gallons by 19.2151988 — or use the formula cup = imp gal × 19.2151988.
What is 6 Imperial gallons in US cups?
6 Imperial gallons is 115.291193 US cups. 6 × 19.2151988 = 115.291193 US cups.
Is the Imperial gallons to US cups conversion exact?
Yes. The relationship is fixed by definition, so 19.2151988081 is an exact conversion factor — only the displayed result is rounded.
Does this use US or Imperial US cups?
Gallons differ by region. A US liquid gallon is exactly 3.785411784 liters; an Imperial (UK) gallon is exactly 4.54609 liters — about 20% larger. This page uses the Imperial gallon.