Convert British MPG to American MPG

40 British MPG =
33.31 U.S. MPG
About

The United Kingdom uses a different gallon than the United States. As a result, miles per gallon measurements are different. This calculator will allow you to convert a British MPG rating to an American one.

Note: Canada uses the British system.

Definitions
MPGus = 3.785411784* MPGuk
4.54609

U.S. Gallon = 3.785411784 Liters

Imperial Gallon = 4.54609 Liters

U.K. MPG to U.S. MPG Conversion Table
UK mpg US mpg
1 0.83
2 1.67
3 2.50
4 3.33
5 4.16
6 5.00
7 5.83
8 6.66
9 7.49
10 8.33
11 9.16
12 9.99
13 10.82
14 11.66
15 12.49
16 13.32
17 14.16
18 14.99
19 15.82
20 16.65
21 17.49
22 18.32
23 19.15
24 19.98
25 20.82
UK mpg US mpg
26 21.65
27 22.48
28 23.31
29 24.15
30 24.98
31 25.81
32 26.65
33 27.48
34 28.31
35 29.14
36 29.98
37 30.81
38 31.64
39 32.47
40 33.31
41 34.14
42 34.97
43 35.80
44 36.64
45 37.47
46 38.30
47 39.14
48 39.97
49 40.80
50 41.63
UK mpg US mpg
51 42.47
52 43.30
53 44.13
54 44.96
55 45.80
56 46.63
57 47.46
58 48.30
59 49.13
60 49.96
61 50.79
62 51.63
63 52.46
64 53.29
65 54.12
66 54.96
67 55.79
68 56.62
69 57.45
70 58.29
71 59.12
72 59.95
73 60.79
74 61.62
75 62.45
UK mpg US mpg
76 63.28
77 64.12
78 64.95
79 65.78
80 66.61
81 67.45
82 68.28
83 69.11
84 69.94
85 70.78
86 71.61
87 72.44
88 73.28
89 74.11
90 74.94
91 75.77
92 76.61
93 77.44
94 78.27
95 79.10
96 79.94
97 80.77
98 81.60
99 82.43
100 83.27