Fuel Cost Calculator Australia
Turn kilometres, litres per 100 km and the pump price into a realistic weekly and annual fuel budget.
Kilometres across commuting, errands and trips
Litres per 100 km from your vehicle label or real usage
Cents per litre
Litres per 100 km
Actual consumption varies with traffic, load, tyres, weather and driving style. This estimates fuel only, not registration, servicing, depreciation or tax deductions.
What this estimate includes
- Converts the Australian L/100km label into litres and dollars.
- Shows weekly, annual and per-100-km cost.
- Lets you compare another vehicle at the same distance and fuel price.
- Separates fuel spending from tax deductions and other ownership costs.
Frequently asked questions
How do I calculate fuel cost?
Multiply distance by fuel consumption in litres per 100 km, divide by 100, then multiply the litres used by the price per litre.
Where do I find my car’s fuel consumption?
New Australian light vehicles display an official fuel-consumption label in litres per 100 km. Real on-road consumption can differ, so a measured fill-to-fill figure may be more useful for budgeting.
Why does real fuel use differ from the label?
The official figure comes from standardised testing. Traffic, vehicle load, tyres, weather, route and driving style all affect actual consumption.
Does this calculate a work-related car deduction?
No. It estimates fuel spending only. Use the car expense method calculator for ATO deduction comparisons and eligibility rules.
Tax Accuracy & Sources
Fuel-only budget estimate. Excludes servicing, registration, insurance, depreciation, tolls and tax deductions. Actual on-road consumption and fuel prices vary.