Everyday math calculator
Fuel cost calculator
Estimate trip fuel use and cost from distance, fuel efficiency and local fuel price.
Formula and example
Fuel used = distance × litres per 100 km ÷ 100. Cost = fuel used × price per litre.
Worked example
A 250 km trip at 7 L/100 km uses 17.5 L. At 1.80 per litre, estimated fuel cost is 31.50.
Assumptions and limits
Assumes the fuel-efficiency figure applies across the full trip. Actual use varies by vehicle, route, load, weather and driving style.
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