/convert/mpg-us-to-mpg-uk/ Convert mpg (US) to mpg (UK) instantly with a reference table. article mpg (US) to mpg (UK) Converter — 247QuickTools ,{ "@context": "https://schema.org", "@type": "SpeakableSpecification", "cssSelector": [".tool-intro", ".info-gain-section"] }
⛽ Fuel Efficiency

mpg (US) to mpg (UK) Converter

Convert mpg (US) to mpg (UK) instantly with a reference table.

Quick answer: To convert mpg (US) to mpg (UK), multiply by 1.20095. For example, 1 mpg (US) = 1.20095 mpg (UK). Use the calculator below for any value.
mpg (US) to mpg (UK)
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Common conversions
mpg (US) mpg (UK)
Formula:

How to convert mpg (US) to mpg (UK)

1

Enter your value

Type the number of mpg (us) you want to convert into the left box. The result in mpg (uk) appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — mpg (UK) to mpg (US). Your current value carries across so you don't have to re-enter anything.

3

About mpg (US) and mpg (UK)

mpg (US) and mpg (UK) are common fuel measurements.

💡 Did you know?

Multiply US MPG by 1.201 to get UK MPG. A US '30 mpg' car achieves 36 mpg UK — same vehicle, 20% difference from the larger UK gallon. US EPA city/highway ratings are typically 10-20% lower than actual driving (adjusted for real-world conditions). UK WLTP ratings since 2018 are more realistic than old NEDC ratings.

📊 Common conversions at a glance
mpg (US) mpg (UK)
10 12.01
15 18.01
20 24.02
25 30.02
30 36.03
35 42.03
Reviewed for 2026. mpg (US) ↔ mpg (UK) conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.