Mile per gallon (US) to Mile per gallon (Imperial)

1 mpg (US) = 1.2009499 mpg (UK)

Value

From

Precision & format

Significant figures

Notation

1 mpg (US) equals

1.200949926mpg (UK)

All 9 units

Mile per gallon (US)mpg (US)
1
Mile per gallon (Imperial)mpg (UK)
1.200949926
Liter per 100 kilometersL/100km
235.2145833
Kilometer per literkm/L
0.4251437074
Mile per litermi/L
0.2641720524
Kilometer per gallon (US)km/gal (US)
1.609344
Meter per cubic meterm/m³
SI base for this category
425,143.7074
Gallon (US) per 100 milesgal/100mi
100
Liter per 100 milesL/100mi
378.5411784

Mile per gallon (US) to Mile per gallon (Imperial) table

Common Mile per gallon (US) values converted to Mile per gallon (Imperial)
Mile per gallon (US) (mpg (US))	Mile per gallon (Imperial) (mpg (UK))
1	1.2009499
2	2.4018999
5	6.0047496
10	12.009499
20	24.018999
50	60.047496
100	120.09499
250	300.23748
500	600.47496
1,000	1,200.9499

How the conversion works

Multiply the mile per gallon (us) figure by 1.200949926 to get mile per gallon (imperial). Every factor on this site is anchored to the SI base unit for fuel economy, so the same number is used everywhere it appears.

Going the other way, 1 mpg (UK) = 0.83267418 mpg (US) — see mile per gallon (imperial) to mile per gallon (us).

See all 9 fuel economy units →