Miles Per Gallon to Imperial Miles Per Gallon Converter

About these units

mpg
Miles per gallon. Higher is more efficient.
imp mpg
Imperial miles per gallon. Higher is more efficient.

Fuel Efficiency guide

How to use the Miles Per Gallon to Imperial Miles Per Gallon Converter

Convert miles per gallon (mpg) to imperial miles per gallon (imp mpg) with the exact fuel efficiency formula, worked examples, and a common-values table. Use the instant result for the miles per gallon to imperial miles per gallon conversion, then check the common-value table, reverse link, and unit notes before copying the answer.

  1. 1

    Enter Miles Per Gallon

    Type the miles per gallon value you want to convert. Decimal values work when you need a partial unit.

  2. 2

    Read Imperial Miles Per Gallon

    Use the main result for the exact imperial miles per gallon value, then scan the common-value table for nearby reference points.

  3. 3

    Confirm Miles Per Gallon to Imperial Miles Per Gallon

    Confirm whether you are converting speed, distance, or time; similar-looking route and speed units can answer different questions.