Fuel Economy Conversion Chart

Printable fuel economy conversion tables for the most-used conversions. Values are exact or rounded to 6 significant figures. Free to print and share with the credit line “Scientific Converters (scientificconverters.com)”.

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mile per US gallon to liter per 100 kilometers

mile per US gallon to liter per 100 kilometers conversion chart
mpg	L/100 km
15	15.681
20	11.7607
25	9.40858
30	7.84049
35	6.72042
40	5.88036
45	5.22699
50	4.70429
60	3.92024
100	2.35215

liter per 100 kilometers to mile per US gallon

liter per 100 kilometers to mile per US gallon conversion chart
L/100 km	mpg
3	78.4049
4	58.8036
5	47.0429
6	39.2024
7	33.6021
8	29.4018
9	26.135
10	23.5215
12	19.6012
15	15.681

liter per 100 kilometers to mile per imperial gallon

liter per 100 kilometers to mile per imperial gallon conversion chart
L/100 km	mpg (UK)
3	94.1603
4	70.6202
5	56.4962
6	47.0802
7	40.3544
8	35.3101
9	31.3868
10	28.2481
12	23.5401
15	18.8321

mile per US gallon to mile per imperial gallon

mile per US gallon to mile per imperial gallon conversion chart
mpg	mpg (UK)
15	18.0142
20	24.019
25	30.0237
30	36.0285
35	42.0332
40	48.038
45	54.0427
50	60.0475
60	72.057
100	120.095

mile per imperial gallon to liter per 100 kilometers

mile per imperial gallon to liter per 100 kilometers conversion chart
mpg (UK)	L/100 km
20	14.124
30	9.41603
35	8.07088
40	7.06202
45	6.27735
50	5.64962
55	5.13602
60	4.70802
70	4.03544
80	3.53101

kilometer per liter to liter per 100 kilometers

kilometer per liter to liter per 100 kilometers conversion chart
km/L	L/100 km
5	20
8	12.5
10	10
12	8.33333
15	6.66667
18	5.55556
20	5
25	4
30	3.33333
40	2.5

Source: Scientific Converters (scientificconverters.com), data version 2026-10-15. Factors from NIST SP 811 and the BIPM SI Brochure. Licence: CC BY 4.0.