MPG (UK) to L/100km Conversion Table

Convert 10–100 Imperial MPG to Litres per 100 km

Any fuel value in MPG (UK) can be converted to L/100km using the conversion factor:

  • 1 MPG (UK) = 282.481 L/100km
  • L/100km = 282.481 ÷ MPG (UK)

MPG (UK) → L/100km Quick Converter

MPG (UK)
L/100km

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How to Convert MPG (UK) to L/100km

L/100km = 282.481 ÷ MPG (UK)

Example

Convert 20.000 MPG (UK) to L/100km:

20.000 MPG (UK) = 14.124 L/100km

MPG (UK) to L/100km Conversion Table

Values from 10 to 100 MPG (UK).

MPG (UK) to L/100km (10.000 – 55.000 MPG (UK))
MPG (UK) L/100km MPG (US) km/L
10.000 28.2481 8.3 3.54
12.000 23.5401 10 4.25
14.000 20.1772 11.7 4.96
16.000 17.6551 13.3 5.66
18.000 15.6934 15 6.37
20.000 14.124 16.7 7.08
22.000 12.84 18.3 7.79
24.000 11.77 20 8.5
25.000 11.2992 20.8 8.85
26.000 10.8647 21.6 9.2
28.000 10.0886 23.3 9.91
30.000 9.41603 25 10.62
32.000 8.82753 26.6 11.33
34.000 8.30826 28.3 12.04
35.000 8.07088 29.1 12.39
36.000 7.84669 30 12.74
38.000 7.43371 31.6 13.45
40.000 7.06202 33.3 14.16
42.000 6.72574 35 14.87
44.000 6.42002 36.6 15.58
45.000 6.27735 37.5 15.93
46.000 6.14089 38.3 16.28
48.000 5.88502 40 16.99
50.000 5.64962 41.6 17.7
52.000 5.43233 43.3 18.41
54.000 5.23113 45 19.12
55.000 5.13602 45.8 19.47
MPG (UK) to L/100km (56.000 – 100.000 MPG (UK))
MPG (UK) L/100km MPG (US) km/L
56.000 5.0443 46.6 19.82
58.000 4.87036 48.3 20.53
60.000 4.70802 50 21.24
62.000 4.55614 51.6 21.95
64.000 4.41376 53.3 22.66
65.000 4.34586 54.1 23.01
66.000 4.28001 55 23.36
68.000 4.15413 56.6 24.07
70.000 4.03544 58.3 24.78
72.000 3.92335 60 25.49
74.000 3.81731 61.6 26.2
75.000 3.76641 62.5 26.55
76.000 3.71685 63.3 26.9
78.000 3.62155 64.9 27.61
80.000 3.53101 66.6 28.32
82.000 3.44489 68.3 29.03
84.000 3.36287 69.9 29.74
85.000 3.32331 70.8 30.09
86.000 3.28466 71.6 30.44
88.000 3.21001 73.3 31.15
90.000 3.13868 74.9 31.86
92.000 3.07045 76.6 32.57
94.000 3.00512 78.3 33.28
95.000 2.97348 79.1 33.63
96.000 2.94251 79.9 33.98
98.000 2.88246 81.6 34.69
100.000 2.82481 83.3 35.4

← Use our interactive MPG (UK) to L/100km converter

Frequently Asked Questions

How do I convert UK MPG to L/100km?

Divide 282.481 by your Imperial MPG value. Example: 40 MPG (UK) = 282.481 ÷ 40 = 7.06 L/100km.

Why is the UK factor 282.481 instead of 235.215?

The Imperial gallon (4.54609 L) is about 20% larger than the US gallon (3.785 L). The factor 282.481 = 100 × 4.54609 ÷ 1.609344.

What is good fuel economy in UK MPG?

55+ MPG (UK) is very good (hybrids, efficient diesels). 40–55 is good. 30–40 is average. Below 30 is high consumption.

Related Conversion Tables

L/100km to MPG (UK)

Inverse table

MPG (US) to L/100km

US gallon version

MPG (UK) to km/L

Alternative metric

← Back to MPG (UK) to L/100km 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