This converter allows you to quickly convert us cups (cup)
into imperial gallons (gal).
Simply enter a value, choose your units, and get an instant, accurate result.
US Cup to Imperial Gallon Conversion Table
US Cup (cup)
Imperial Gallon (gal)
1
0.052042
2
0.104084
5
0.260211
10
0.520421
20
1.040843
50
2.602107
100
5.204214
200
10.408427
500
26.021068
1000
52.042137
2000
104.084273
5000
260.210683
10000
520.421365
20000
1,040.842731
50000
2,602.106827
100000
5,204.213654
200000
10,408.427308
500000
26,021.06827
1000000
52,042.136539
2000000
104,084.273079
How to convert US Cups to Imperial Gallons?
To convert us cups to imperial gallons, multiply by the conversion factor:
Example: Convert 10 US Cups to Imperial Gallons
Frequently asked questions
How many imperial gallons are in 1 us cup?
1 US Cup (cup) equals 0.0520421 imperial gallons (gal).
How many us cups are in 1 imperial gallon?
1 Imperial Gallon (gal) equals 19.2152 us cups (cup).
How do I convert imperial gallons back to us cups?
Use the swap button above to flip the converter, or type a value directly into the "Imperial Gallon" field — this page converts in both directions instantly as you type, with no submit button needed.
Which is larger, us cup or imperial gallon?
1 Imperial Gallon is larger — it takes 19.2152 us cups to equal 1 imperial gallon.