🚙 MPG to L/100km Converter
Convert miles per gallon to litres per 100km and vice versa.
What this tool helps with
Converts UK MPG to litres per 100 kilometres.
What you can enter
- Miles per gallon (UK): 40
Why this page is useful
Convert miles per gallon to litres per 100km and vice versa. This page loads fast, gives a direct answer, and then expands with useful context instead of burying the result under filler.
Frequently Asked Questions
UK uses imperial gallons (4.546L), US uses US gallons (3.785L). Always check which one.
About 7.1 L/100km.
High MPG = good. Low L/100km = good. They measure the same thing differently.
It's more intuitive for fuel budgeting — you know exactly how many litres for any distance.