About the Car Running Cost Calculator
Fuel is the cost people notice, but depreciation is usually the largest single expense of owning a car. Adding everything up gives the true cost per mile, which is the number worth comparing against public transport or a different vehicle.
Also known as: cost of owning a car, annual car cost, car expenses calculator, total cost of car ownership, car-running-cost.
How to use this calculator
- Enter annual distance, fuel consumption, fuel price per litre, insurance per year and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
total = fuel + insurance + tax + servicing + tyres + depreciation
Worked example
Using the values pre-filled in the calculator above:
- Annual distance = 15,000 km
- Fuel consumption = 7.5 L/100km
- Fuel price per litre = 1.65
- Insurance per year = 600
- Road tax per year = 180
- Servicing and MOT per year = 400
- Tyres per year = 200
- Purchase price = 20,000
the calculator returns:
- Total annual cost: 6,536.25
- Monthly cost: 544.69
- Cost per km: 0.44
- Cost per mile: 0.7