Imperial gallon → US gallon (gal (UK) → gal)

gal (UK) to gal direct conversion page with calculator, reverse conversion and comparison table.

1 gal (UK) = 1.2009504914923 gal
1 Imperial gallon (gal (UK)) = 1.2009504914923 US gallon (gal).


swap converter

If you want to reverse convert, use US gallon → Imperial gallon. 1 gal = 0.83267379220385 gal (UK). You can also explore the full Volume converter page for more cross conversions.

Conversion formula

Imperial gallon to US gallon formula: value in gal = value in gal (UK) × 1.2009504914923.

US gallon to Imperial gallon formula: value in gal (UK) = value in gal × 0.83267379220385.

How to convert Imperial gallon to US gallon

To convert Imperial gallon to US gallon, multiply the value in gal (UK) by 1.2009504914923. This gives the result in gal.

For example, 1 gal (UK) = 1.2009504914923 gal and 10 gal (UK) = 12.009504914923 gal.

What is Imperial gallon?

Imperial gallon (gal (UK)): The imperial gallon. It has a larger volume than the similarly named US gallon. 1 gal (UK) = 4.54609 L.

What is US gallon?

US gallon (gal): The US liquid gallon, used for fuel and large containers. Smaller than the imperial gallon. 1 gal ≈ 3.78541 L.

FAQ

How many us gallon are in 1 imperial gallon?

There are 1.2009504914923 gal in 1 gal (UK).

Why can conversion results differ slightly?

Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.

How do I convert imperial gallon to us gallon?

Multiply the value in gal (UK) by 1.2009504914923 to get the value in gal.

Imperial gallon → other Volume units

Imperial gallon → US gallon Table

The table below shows common values from Imperial gallon to US gallon and the reverse direction for quick reference.

gal (UK)galRounded
1 gal (UK)1.2009504914923 gal1.2010
2 gal (UK)2.4019009829847 gal2.4019
3 gal (UK)3.602851474477 gal3.6029
4 gal (UK)4.8038019659693 gal4.8038
5 gal (UK)6.0047524574617 gal6.0048
10 gal (UK)12.009504914923 gal12.0095
12 gal (UK)14.411405897908 gal14.4114
15 gal (UK)18.014257372385 gal18.0143
20 gal (UK)24.019009829847 gal24.0190
25 gal (UK)30.023762287308 gal30.0238
30 gal (UK)36.02851474477 gal36.0285
40 gal (UK)48.038019659693 gal48.0380
50 gal (UK)60.047524574617 gal60.0475
75 gal (UK)90.071286861925 gal90.0713
100 gal (UK)120.09504914923 gal120.0950
200 gal (UK)240.19009829847 gal240.1901
250 gal (UK)300.23762287308 gal300.2376
500 gal (UK)600.47524574617 gal600.4752
750 gal (UK)900.71286861925 gal900.7129
1000 gal (UK)1200.9504914923 gal1200.9505
2500 gal (UK)3002.3762287308 gal3002.3762
5000 gal (UK)6004.7524574617 gal6004.7525
10000 gal (UK)12009.504914923 gal12009.5049

US gallon → Imperial gallon Table

galgal (UK)Rounded
1 gal0.83267379220385 gal (UK)0.8327
2 gal1.6653475844077 gal (UK)1.6653
3 gal2.4980213766115 gal (UK)2.4980
4 gal3.3306951688154 gal (UK)3.3307
5 gal4.1633689610192 gal (UK)4.1634
10 gal8.3267379220385 gal (UK)8.3267
12 gal9.9920855064462 gal (UK)9.9921
15 gal12.490106883058 gal (UK)12.4901
20 gal16.653475844077 gal (UK)16.6535
25 gal20.816844805096 gal (UK)20.8168
30 gal24.980213766115 gal (UK)24.9802
40 gal33.306951688154 gal (UK)33.3070
50 gal41.633689610192 gal (UK)41.6337
75 gal62.450534415289 gal (UK)62.4505
100 gal83.267379220385 gal (UK)83.2674
200 gal166.53475844077 gal (UK)166.5348
250 gal208.16844805096 gal (UK)208.1684
500 gal416.33689610192 gal (UK)416.3369
750 gal624.50534415289 gal (UK)624.5053
1000 gal832.67379220385 gal (UK)832.6738
2500 gal2081.6844805096 gal (UK)2081.6845
5000 gal4163.3689610192 gal (UK)4163.3690
10000 gal8326.7379220385 gal (UK)8326.7379

US gallon → Imperial gallon

The reverse value is 1 gal = 0.83267379220385 gal (UK).