MPG to L/100km Calculator
Convert between MPG and litres per 100km.
Enter your values
ⓘ Live results
Results
- Litres per 100 km
- 7.35
- Imperial MPG
- 38.43
- Km per litre
- 13.6
- US MPG entered
- 32
Quick answer
L/100km is found by converting MPG to a distance-per-fuel ratio, then inverting it into fuel-per-distance.
L/100km = 235.215 / MPG (US)
How to use the MPG to L/100km Calculator
- 1Enter fuel economy in US miles per gallon.
- 2The calculator converts it to litres per 100km, imperial MPG and km per litre.
- 3Use this when comparing US-spec and international fuel economy figures.
Worked example
Using the values the calculator loads with:
Inputs
- Fuel economy32 US MPG
Results
- Litres per 100 km7.35
- Imperial MPG38.43
- Km per litre13.6
- US MPG entered32
Frequently asked questions
Why is imperial MPG higher than US MPG?
An imperial gallon is about 20% larger than a US gallon, so the same fuel efficiency shows a higher imperial MPG number.
Which unit is used in Europe?
Litres per 100km is the standard fuel economy unit across most of Europe.
About this calculator
- Built and reviewed by James Whitfield · How we build and test calculators
- Report an error
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.