How Many US Gallons in a Imperial Gallon?

Quick Answer
1 Imperial Gallon = 1.2009505 US Gallons

1 imp gal = 1.2009505 gal

1.20095

≈ 1 13/64 gal

Formula

gal = imp gal × 1.2009505

The calculator multiplies each imp gal value by 1.2009505. For the reverse direction, divide gal by 1.2009505; equivalently, 1 gal = 0.83267379 imp gal.

Conversion Table

Imperial Gallons (imp gal)US Gallons (gal)
1 imp gal1.2009505 gal
2 imp gal2.401901 gal
5 imp gal6.0047525 gal
10 imp gal12.009505 gal
20 imp gal24.01901 gal
50 imp gal60.047525 gal
100 imp gal120.09505 gal
500 imp gal600.47525 gal
1,000 imp gal1,200.9505 gal

Worked Examples

Convert 5 imp gal to gal:
5 imp gal × 1.2009505 = 6.0047525 gal
Convert 10 imp gal to gal:
10 imp gal × 1.2009505 = 12.009505 gal
Convert 50 imp gal to gal:
50 imp gal × 1.2009505 = 60.047525 gal

FAQ

How many US Gallons are in 1 Imperial Gallon?
There are 1.2009505 US Gallons in 1 Imperial Gallon. Formula: gal = imp gal × 1.2009505.
How to convert Imperial Gallons to US Gallons?
To convert Imperial Gallons to US Gallons, multiply the number of Imperial Gallons by 1.2009505. For example, 10 imp gal = 12.009505 gal.
How many US Gallons are in 100 Imperial Gallons?
There are 120.09505 US Gallons in 100 Imperial Gallons. Calculation: 100 × 1.2009505 = 120.09505.