Skip to content

40 MPG to L/100km

40 miles per US gallon is 5.88 litres per 100 kilometres.

40 US mpg equals
Litres / 100 kmL/100km
5.88
UK mpgmi/imp gal
48.0
Km per litrekm/L
17.01

235.215 ÷ 40 = 5.88 L/100km

  • Fuel for 100 miles: 2.50 US gallons (9.5 L)
  • Fuel for 1,000 km: 58.8 litres
  • At $3.50/gal, 100 miles costs $8.75
  • If 40 is a UK mpg figure: 7.06 L/100km, or 33.3 US mpg

Nearby: 38 mpg · 39 mpg · 41 mpg · 42 mpg. Any other value? Use the MPG converter or price a trip with the fuel cost calculator.

Questions drivers ask

What is 40 mpg in L/100km?

40 US mpg equals 5.88 litres per 100 km (235.215 ÷ 40). If 40 mpg is a UK (imperial) figure, it equals 7.06 L/100km.

Is 40 mpg good?

40 mpg is excellent, the territory of hybrids and the most efficient small cars.

How far can I go on a tank at 40 mpg?

With a 14-gallon tank, about 560 miles (901 km). Real range is usually a little less because you refill before the tank is empty.