Fuel cost calculator
Price up a road trip and split it with your passengers, or see what your daily drive to work really costs each week, month and year.
If the price moves
How it works
litres = distance × L/100km ÷ 100cost = litres × price per litre, then divide by the number of people to split it.For a commute: yearly km = one-way km × 2 × days per week × weeks per year.
Worked example
Sydney to Melbourne is roughly 880 km. In a car using 7.5 L/100km, that's 880 × 7.5 ÷ 100 = 66 litres. At $1.95 a litre, the fuel comes to $128.70.
Make it a return trip and it's 1,760 km, 132 litres and $257.40. Split between three of you, that's $85.80 each.
Commuting 25 km each way, five days a week, in the same car: 250 km a week costs $36.56. Over 48 weeks that's 12,000 km and $1,755 a year – about $146 a month.
Common questions
How do I find my car's fuel use in L/100km?
Check the fuel consumption label on the windscreen when the car was new, the owner's manual, or the trip computer. For a real-world figure, fill the tank, reset the trip meter, drive, refill, then divide litres used by kilometres driven and multiply by 100.
Are the car presets accurate?
They're ballpark real-world figures for each type of car, not any particular model. If you know your own car's number, type it in – it'll be more accurate.
Why do the fuel prices change when I pick a fuel?
They're example prices so the sums work straight away. Pump prices move week to week and vary a lot between cities and the bush, so type in what you're actually paying.
How is the commute cost worked out?
It's your one-way distance × 2 × days per week for a week. For a year it uses the number of weeks you actually commute (48 by default, to allow for leave and public holidays), and a month is the yearly figure divided by 12.
Does this include tolls or parking?
No, it's fuel only. Add tolls, parking and wear and tear on top if you're splitting the full cost of a trip.