The formula, made clear.
Litres needed = distance × litres per 100 km ÷ 100. Cost = litres needed × price per litre.
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TRAVEL TOOL
Fuel Cost Calculator
Estimate how much fuel a trip requires and what it may cost using metric fuel economy.
Estimated trip fuel cost73.58Fuel required 33.75 litres
When to use this calculator
Estimate trip cost before a commute, road trip or delivery. It uses metric fuel consumption in litres per 100 kilometres and lets you enter the current local fuel price.
See the calculation in context
A 450 km journey in a vehicle using 7.5 L/100 km requires about 33.75 litres. At 2.18 per litre, the estimated cost is 73.58.
Frequently asked questions
Where can I find fuel efficiency?
Check the vehicle display, owner manual or calculate recent average consumption from full-tank records.
Why might the real cost be higher?
Traffic, speed, hills, air conditioning, tyre pressure and vehicle load can change consumption.