Fuel Economy Calculator
Calculate MPG, L/100 km and km/L together.
What this calculator answers
The Fuel Economy Calculator uses the requested values to calculate the requested result. The core method is Related formulas are calculated together from shared inputs.. This makes the assumptions visible so you can check whether the inputs match your situation.
How to get a useful result
Use realistic distance, efficiency, price, speed and financing assumptions rather than best-case values.
How to interpret it
Real travel and vehicle costs can also include taxes, tolls, charging losses, maintenance, insurance, depreciation and traffic.
Before relying on the number
Recheck unusual inputs, confirm units and compare the result with any official quote, statement, specification or rule that applies to the real decision. Small changes in rates, time periods or measurements can materially change some results.