Online calculator to convert US mpg to Imperial mpg with conversion tables. Our conversions provide a quick and easy way to convert between Fuel Economy (Fuel Consumption) units.
Conversion Calculator
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Convert US mpg to Imperial mpg
Conversion Definitions
The following is a list of definitions relating to conversions between US mpg and Imperial mpg.
What is US miles per gallon (US mpg)?
US miles per gallon is a unit of fuel economy in US Customary Units. US miles per gallon is calculated as the number of miles traveled per US gallon (not to be confused with Imperial gallon). The symbol for US miles per gallon is US mpg.
What is Imperial miles per gallon (Imperial mpg)?
Imperial miles per gallon is a unit of fuel economy in the Imperial System. Imperial miles per gallon is calculated as the number of miles traveled per Imperial gallon (not to be confused with US gallon). The symbol for Imperial miles per gallon is Imperial mpg.
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from US mpg to Imperial mpg.
US mpg to Imperial mpg Conversion Chart
| US mpg | Imperial mpg |
|---|---|
| 1 US mpg | 1.20095042 Imperial mpg |
| 2 US mpg | 2.40190084 Imperial mpg |
| 3 US mpg | 3.60285126 Imperial mpg |
| 4 US mpg | 4.80380168 Imperial mpg |
| 5 US mpg | 6.0047521 Imperial mpg |
| 6 US mpg | 7.20570252 Imperial mpg |
| 7 US mpg | 8.40665294 Imperial mpg |
| 8 US mpg | 9.60760336 Imperial mpg |
| 9 US mpg | 10.80855378 Imperial mpg |
| 10 US mpg | 12.0095042 Imperial mpg |
| 11 US mpg | 13.21045462 Imperial mpg |
| 12 US mpg | 14.41140504 Imperial mpg |
| 13 US mpg | 15.61235546 Imperial mpg |
| 14 US mpg | 16.81330588 Imperial mpg |
| 15 US mpg | 18.0142563 Imperial mpg |
| 20 US mpg | 24.0190084 Imperial mpg |
| 25 US mpg | 30.0237605 Imperial mpg |
| 30 US mpg | 36.0285126 Imperial mpg |
| 35 US mpg | 42.0332647 Imperial mpg |
| 45 US mpg | 54.0427689 Imperial mpg |
| 50 US mpg | 60.047521 Imperial mpg |
Related Units
This table provides a summary of the Fuel Economy units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| US miles per gallon | US mpg | US Customary Units |
| Imperial miles per gallon | Imperial mpg | Imperial System |
| Litres per 100 kilometers | L/100km | Metric System |
Note: There is a difference between US Customary Units and the Imperial System when it comes to some Fuel Economy conversions. The US gallon contains 128 US fl oz, while the Imperial gallon contains 160 Imp fl oz. So make sure you are converting using the correct system of measurement.
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