40 mpg (US) to L/100km

5.88 L/100km

40 miles per US gallon equals 5.8804 litres per 100 kilometres.

Consumption and economy are inverses of each other, so the conversion is a division rather than a multiplication — and a lower L/100km figure means a higher mpg.

How the conversion works

This one is a formula rather than a single multiplier:

mpg (US) = 235.215 ÷ (L/100km), and the same the other way5.8804 L/100km

Going the other way: 6 L/100km to mpg (US) — the closest published value to 5.88 L/100km.

Convert a different fuel consumption

mpg (US) =5.88 L/100km

Open the full fuel consumption converter for every other unit.

Nearby values

mpg (US)L/100km
30 mpg (US)7.84 L/100km
32 mpg (US)7.35 L/100km
35 mpg (US)6.72 L/100km
45 mpg (US)5.23 L/100km
50 mpg (US)4.7 L/100km
55 mpg (US)4.28 L/100km

Questions

What is 40 mpg (US) in L/100km?
40 mpg (US) is 5.88 L/100km (5.8804 L/100km to four decimal places).
How do you convert mpg (US) to L/100km?
Use mpg (US) = 235.215 ÷ (L/100km), and the same the other way. For 40 mpg (US) that gives 5.8804 L/100km.
What does 40 mpg (US) actually mean?
It sits between 30 and 55 mpg (US); the table on this page shows how those compare.