This converter allows you to quickly convert us gallons (gal)
into imperial gallons (gal).
Simply enter a value, choose your units, and get an instant, accurate result.
US Gallon to Imperial Gallon Conversion Table
US Gallon (gal)
Imperial Gallon (gal)
1
0.832674
2
1.665348
5
4.163371
10
8.326742
20
16.653484
50
41.633709
100
83.267418
200
166.534837
500
416.337092
1000
832.674185
2000
1,665.348369
5000
4,163.370923
10000
8,326.741846
20000
16,653.483693
50000
41,633.709231
100000
83,267.418463
200000
166,534.836926
500000
416,337.092314
1000000
832,674.184629
2000000
1,665,348.369258
How to convert US Gallons to Imperial Gallons?
To convert us gallons to imperial gallons, multiply by the conversion factor:
Example: Convert 10 US Gallons to Imperial Gallons
Frequently asked questions
How many imperial gallons are in 1 us gallon?
1 US Gallon (gal) equals 0.832674 imperial gallons (gal).
How many us gallons are in 1 imperial gallon?
1 Imperial Gallon (gal) equals 1.20095 us gallons (gal).
How do I convert imperial gallons back to us gallons?
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 gallon or imperial gallon?
1 Imperial Gallon is larger — it takes 1.20095 us gallons to equal 1 imperial gallon.