Petrol Trip Cost Calculator
Work out the fuel cost of a road trip or regular drive. See litres used, total petrol cost, and how much each person pays when you carpool.
Last verified: 5 May 2026How much does my drive cost in petrol?
Fuel cost = total kilometres ÷ 100 × your fuel economy (L/100km) × the price per litre. For an 800km return trip (1,600km total) in a car using 8 L/100km at $1.95/L, you'll burn about 128 litres and pay roughly $249.60 in fuel. Source: arithmetic based on your figures.
General information and estimates only — not financial, tax, or legal advice. Always verify with a licensed adviser or the ATO.
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