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Convert Mile per US Gallon to Mile per UK Gallon

Use this free converter to change miles per us gallon (mpg) into miles per uk gallon (mpg UK). Mile per us gallon and mile per uk gallon both measure fuel economy. As a quick reference, 1 mpg equals 1.2009501 mpg UK, and 1 mpg UK equals 0.8326741 mpg.

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Mile per UK Gallon (mpg UK)
1.2009501

1 mpg = 1.2009501 mpg UK

Fuel Economy conversion table

Mile per US GallonMile per UK Gallon
0.010.012009501
0.10.12009501
0.50.60047503
11.2009501
22.4019001
33.6028502
56.0047503
1012.009501
2024.019001
2530.023751
5060.047503
100120.09501
1,0001200.9501

How to convert Mile per US Gallon to Mile per UK Gallon

Multiply the mile per us gallon value by 1.2009501 to get miles per uk gallon.

  1. Enter the number of miles per us gallon you want to convert.
  2. The converter instantly shows the equivalent value in miles per uk gallon.
  3. Worked example: 15 mpg × 1.2009501 = 18.014251 mpg UK.
  4. Use the swap button to reverse the conversion (mile per uk gallon to mile per us gallon).

About these units

Mile per US Gallon (mpg)

Definition
Miles per US gallon (mpg) expresses how far a vehicle travels per US gallon (3.785 L) of fuel.
History
The US gallon-based mpg has been the standard US fuel-efficiency measure since the Corporate Average Fuel Economy (CAFE) standards began in 1975.
Current use
Every new car sold in the United States lists its EPA fuel-economy rating in city/highway/combined mpg.

Mile per UK Gallon (mpg UK)

Definition
Miles per imperial gallon (mpg UK) uses the larger UK gallon (4.546 L), so UK mpg figures are higher than US mpg for the same vehicle.
History
The United Kingdom standardised on imperial gallons until adopting metric fuel labels in recent decades.
Current use
Imperial mpg still appears in older UK car reviews and some Commonwealth markets; modern UK regulation uses L/100km.

Frequently asked questions

How many miles per uk gallon are in a mile per us gallon?

There are 1.2009501 mpg UK in 1 mpg. To convert, multiply the number of miles per us gallon by 1.2009501.

How do I convert miles per us gallon to miles per uk gallon?

Multiply the mile per us gallon value by 1.2009501 to get miles per uk gallon. For example, 10 mpg = 12.009501 mpg UK.

Is this mile per us gallon-to-mile per uk gallon converter free?

Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.

Convert Mile per US Gallon to other fuel economy units

Unit1 Mile per US Gallon equals
Kilometer per Liter (km/L)0.42514371 km/L
Mile per UK Gallon (mpg UK)1.2009501 mpg UK
Liter per 100 Kilometers (L/100km)235.21458 L/100km

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