25 miles per gallon is 10.6285927 kilometers per liter
mpg x 0.2642 = miles per liter
15 km per l is 35.2821875 mpg.
If you mean, how many kilometer can you drive using 1 liter of gasoline, that will depend on the efficiency of your vehicle. 1 kilometer per liter = 2.35214583 miles per gallon. There is a handy converter at the related link that compares miles per gallon (both US and Imperial) with kilometers per liter.
multiply 35 x 0.425143707 to get km per liter.
6 mpg = 1.585 miles per liter.
30 mpg is 7.925 miles per liter
21 miles per gallon is 8.928 kilometers per liter.
22 (kilometers per liter) = 51.75 miles per gallon.
9.6 (kilometers per liter) = 22.56 miles per gallon.
10 (kilometers per liter) = 23.52 miles per gallon.
45 miles per gallon = 19.13 kilometers per liter.
30 miles per gallon = 12.75 kilometers per liter.
25 miles per gallon is 10.6285927 kilometers per liter
40 mpg = 10.57 miles per liter.
13.4 km per liter equates to about 31.519 miles per gallon.
30 miles per gallon equates to about 7.925 miles per liter of gasoline.