Multiply m.p.g. US x 1.20095 = m.p.g Imperial.
You get about 20% more miles out of an Imperial gallon (at the same speed) because it is about 20% bigger than a US gallon.
Formula: liters per km x 2.82 = miles per Imperial gallon
14 liters per 100km equates to about 20.177 miles per Imperial gallon.
To convert 14.9 liters per 100 kilometers to miles per imperial gallon, first convert liters to gallons and kilometers to miles. There are approximately 0.219969 gallons in a liter and 1 kilometer equals about 0.621371 miles. This gives us a conversion factor, resulting in about 15.8 miles per imperial gallon.
18 miles per US gallon equates to 21.6 miles per Imperial gallon.
If my math is correct , that's 37 miles per imperial gallon
11.7 liters per 100 km = about 24.14 miles per Imperial gallon.
32 miles per gallon = 38.4 miles per Imperial gallon.
29.04 miles per US gallon or 34.87 miles per Imperial gallon.
Assuming that it is the Imperial gallon and not the US one, it is 9.56 km per litre.
1 liter per 100 km is equivalent to approximately 62 miles per imperial gallon.
20 liters per 100 km = 14.1 miles per Imperial gallon.
Multiply km per liter by 2.35 to get miles per gallon.