US MPG to UK MPG Conversion Table

Convert 10–100 US MPG to Imperial MPG

Any fuel value in MPG (US) can be converted to MPG (UK) using the conversion factor:

  • 1 MPG (US) = 1.20095 MPG (UK)
  • MPG (UK) = MPG (US) × 1.20095

MPG (US) → MPG (UK) Quick Converter

MPG (US)
MPG (UK)

Need more features? Try our complete MPG (US) to MPG (UK) converter.

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US MPG to UK MPG Conversion Table - conversion chart
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How to Convert MPG (US) to MPG (UK)

MPG (UK) = MPG (US) × 1.20095

Example

Convert 15.000 MPG (US) to MPG (UK):

15.000 MPG (US) = 18.0143 MPG (UK)

US MPG to UK MPG Conversion Table

Values from 10 to 100 MPG (US).

MPG (US) to MPG (UK) (10.000 – 42.000 MPG (US))
MPG (US) MPG (UK) L/100km km/L
10.000 12.0095 23.52 4.25
12.000 14.4114 19.6 5.1
14.000 16.8133 16.8 5.95
15.000 18.0143 15.68 6.38
16.000 19.2152 14.7 6.8
18.000 21.6171 13.07 7.65
20.000 24.019 11.76 8.5
22.000 26.4209 10.69 9.35
24.000 28.8228 9.8 10.2
25.000 30.0238 9.41 10.63
26.000 31.2247 9.05 11.05
28.000 33.6266 8.4 11.9
30.000 36.0285 7.84 12.75
32.000 38.4304 7.35 13.6
34.000 40.8323 6.92 14.45
35.000 42.0333 6.72 14.88
36.000 43.2342 6.53 15.31
38.000 45.6361 6.19 16.16
40.000 48.038 5.88 17.01
42.000 50.4399 5.6 17.86
MPG (US) to MPG (UK) (44.000 – 100.000 MPG (US))
MPG (US) MPG (UK) L/100km km/L
44.000 52.8418 5.35 18.71
45.000 54.0428 5.23 19.13
46.000 55.2437 5.11 19.56
48.000 57.6456 4.9 20.41
50.000 60.0475 4.7 21.26
52.000 62.4494 4.52 22.11
54.000 64.8513 4.36 22.96
55.000 66.0523 4.28 23.38
56.000 67.2532 4.2 23.81
58.000 69.6551 4.06 24.66
60.000 72.057 3.92 25.51
65.000 78.0618 3.62 27.63
70.000 84.0665 3.36 29.76
75.000 90.0713 3.14 31.89
80.000 96.076 2.94 34.01
85.000 102.081 2.77 36.14
90.000 108.086 2.61 38.26
95.000 114.09 2.48 40.39
100.000 120.095 2.35 42.51

← Use our interactive MPG (US) to MPG (UK) converter

Frequently Asked Questions

How do I convert US MPG to UK MPG?

Multiply US MPG by 1.20095. Example: 30 MPG (US) × 1.20095 = 36.0 MPG (UK). The Imperial gallon is ~20% larger than the US gallon.

Why is UK MPG always higher than US MPG?

Because the Imperial gallon (4.546 L) is larger than the US gallon (3.785 L). The car travels the same distance on the same fuel — but the bigger gallon means a higher MPG number.

Does converting units also convert test cycles?

No. US figures use the EPA 5-cycle test; UK figures use WLTP. This table converts gallons only. Even after unit conversion, EPA and WLTP numbers may differ slightly for the same vehicle.

Related Conversion Tables

MPG (US) to L/100km

Metric consumption

MPG (UK) to L/100km

Imperial to metric

MPG (US) to km/L

Asian metric

← Back to US MPG to UK MPG Converter

Calculations based on EIA (gas prices), EPA (CO₂: 8.887 kg/gal), IRS mileage rate, AAA Your Driving Costs Based on SI definitions (BIPM). Last reviewed: April 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes