Convert kilometer per liters to mile per imperial gallons

1 km/L = 2.82480936332 mpg (imp) — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

From

2.824 809 363 32mpg (imp)

≈ Rounded to 12 s.f. 1 km/L ≈ 2.824 809 363 32 mpg (imp)

As a fraction: 2273045/804672

Significant digits 12 Notation 1 km/L = 2.82480936332 mpg (imp)

How to convert kilometer per liters to mile per imperial gallons

Multiply the number of kilometer per liters by 2.82480936332 to get mile per imperial gallons.

Mile per imperial gallon: UK figures use the larger imperial gallon, so they look about 20% better than US ones for the same car.

Kilometer per liters (km/L)	Mile per imperial gallons (mpg (imp))
1 km/L	2.824 809 4
2 km/L	5.649 618 7
3 km/L	8.474 428 1
4 km/L	11.299 237
5 km/L	14.124 047
10 km/L	28.248 094
15 km/L	42.372 14
20 km/L	56.496 187
25 km/L	70.620 234
30 km/L	84.744 281
40 km/L	112.992 37
50 km/L	141.240 47

Mile per imperial gallons (mpg (imp))	Kilometer per liters (km/L)
1 mpg (imp)	0.354 006 19
2 mpg (imp)	0.708 012 38
3 mpg (imp)	1.062 018 6
4 mpg (imp)	1.416 024 8
5 mpg (imp)	1.770 030 9
10 mpg (imp)	3.540 061 9
15 mpg (imp)	5.310 092 8
20 mpg (imp)	7.080 123 8
25 mpg (imp)	8.850 154 7
30 mpg (imp)	10.620 186
40 mpg (imp)	14.160 248
50 mpg (imp)	17.700 309

One kilometer per liter equals 2.824809363 mile per imperial gallons (km/L → mpg (imp)). That figure is exact, not rounded.

Multiply the number of kilometer per liters by 2.82480936332 to get mile per imperial gallons.

One mile per imperial gallon is 0.3540061899 kilometer per liters.

10 km/L = 28.248 094 mpg (imp).

UK figures use the larger imperial gallon, so they look about 20% better than US ones for the same car.