km/L to MPG (UK) Converter

ConversionEdited by Hemant Kumar and Anjita Rai, founders · How we checkUpdated Free · No sign-up

Quick answer: To convert km/L to MPG, multiply by 2.824809. For example, 25 km/L is 70.62023 mpg (UK). One kilometer per liter equals 2.824809 mpg (UK).

Use the km/L to MPG (UK) Converter

km/L to MPG (UK) formula and what each symbol means

mpg (UK) = km/L × 2.824809

Symbols used in the formula
SymbolMeaning
km/LKilometer per liter
mpg (UK)Mile per imperial gallon

km/L to MPG (UK) examples

8 km/L

8 km/L × 2.824809 = 22.59847 mpg (UK).

25 km/L

25 km/L × 2.824809 = 70.62023 mpg (UK).

40 km/L

40 km/L × 2.824809 = 112.9924 mpg (UK).

km/L compared with MPG (UK)

One km/L is 2.825 times as large as one mpg (UK), so your number gets bigger when you convert km/L to MPG and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.

About km/L and MPG

Kilometer per liter (km/L): Kilometres travelled per litre of fuel. Mile per imperial gallon (mpg (UK)): Miles per imperial gallon.

Where km/L to MPG conversions are used

Cars are rated in litres per 100 km in Europe and India, mpg in the US and UK, and km/L in several Asian markets. Comparing a used import with a local car needs a fuel-economy conversion.

How to calculate km/L to MPG (UK) step by step

  1. Enter the value in km/L (the starting unit).
  2. Multiply by 2.824809, because 1 km/L = 2.824809 mpg (UK).
  3. The product is the value in mpg (UK). To go back, divide by 2.824809 or multiply by 0.3540062.

Popular fuel consumption conversions

How to read your km/L to MPG (UK) result

Quick estimate: multiply by about 2.8 to get MPG from km/L; this is within 0.9% of the exact factor. Fuel economy can be written as distance per volume (km/L, mpg) or volume per distance (L/100 km).

KM/LMPG (UK)
514.12405
616.94886
822.59847
1028.24809
1542.37214
2056.49619
3084.74428
40112.9924

MPG (UK) to km/L: quick table

MPG (UK)KM/L
72.478043
124.248074
186.372111
227.788136
3010.62019
3512.39022

Common mistakes when calculating km/L to MPG (UK)

  • Using mpg (US) and mpg (UK) as the same: 1 UK mpg is about 1.2 US mpg.
  • Dividing when you should multiply: from km/L to mpg (UK) multiply by 2.824809; from mpg (UK) to km/L divide by 2.824809.

km/L to MPG (UK) FAQ

How many mpg (UK) are in 1 km/L?

1 km/L equals 2.824809 mpg (UK).

How many km/L are in 1 mpg (UK)?

1 mpg (UK) equals 0.3540062 km/L.

Is 1 km/L = 2.824809 mpg (UK) an exact conversion?

The factor is shown rounded to 7 significant figures (2.824809). The calculator above uses more digits.

What is a mile per imperial gallon (mpg (UK))?

Miles per imperial gallon.

How can I estimate km/L to MPG in my head?

Quick estimate: multiply by about 2.8 to get MPG from km/L; this is within 0.9% of the exact factor.

What is 12 km/L in MPG?

12 km/L = 33.89771 mpg (UK) (since 12 × 2.824809).

What is 7 km/L in MPG?

7 km/L = 19.77367 mpg (UK) (since 7 × 2.824809).

What is 35 km/L in MPG?

35 km/L = 98.86833 mpg (UK) (since 35 × 2.824809).

How many decimals should I keep when converting km/L to mpg (UK)?

Match the precision of your original measurement. For example, 70.62023 mpg (UK) rounds to 70.6 mpg (UK) at 3 significant figures; keep more digits only for engineering or scientific work.

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Method, review and disclaimer

Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors