Fuel Cost Calculator
Estimate the fuel cost of a journey or a year of driving. Enter your mileage, fuel economy and fuel price to see a figure you can plan around.
What The Fuel Cost Calculator Shows
- Cost per journey a quick estimate for a specific trip
- Cost per year based on your annual mileage
- Sensitivity to economy see how MPG changes the total
- A planning figure useful when budgeting for a car
How The Estimate Works
The calculator takes your mileage, divides by your fuel economy to find how much fuel you use, then multiplies by the fuel price. Because pump prices and your real economy both move around, treat the result as a planning estimate rather than an exact figure.
What Changes The Estimate?
The calculation is simple, but the inputs can move often.
| Input | How it changes the estimate |
|---|---|
| Fuel price | A few pence per litre can make a noticeable difference over a year. |
| Real-world MPG | Your actual economy is usually more useful than the official figure. |
| Annual mileage | Higher mileage makes small MPG differences matter more. |
How To Use The Fuel Cost Calculator
Three quick inputs.
Enter The Distance
A single journey or your yearly mileage.
Enter Your MPG
Use your real figure from the MPG calculator if you have it.
Enter The Fuel Price
The current price per litre, and see the cost.
What Our Expert Says
Free tools like these put official DVLA and DVSA data straight into drivers' hands. Used alongside a quick insurance comparison, they help you make a more informed decision about a vehicle before you commit, whether you are buying, selling or simply keeping your own car on the road.Co-Founder, Clean Green Cars
Fuel Cost FAQs
How Accurate Is The Fuel Cost Estimate?
It is a guide. Your real cost depends on driving style, traffic, fuel price changes and your actual economy, so use it for planning rather than as an exact figure.
What MPG Should I Enter?
Your real-world MPG gives the most useful result. If you do not know it, work it out first with the MPG calculator.
Can I Compare Petrol And Diesel?
Yes. Run the calculator twice with each car's economy and the relevant fuel price to compare.
Does It Work For Electric Cars?
For EVs, the EV charging cost calculator and EV vs petrol comparison are usually a better fit.
Useful Resources
- GOV.UK - Get Vehicle Information From DVLA - Check what vehicle details DVLA holds, including tax, MOT, fuel type and emissions data.
- GOV.UK - Check Vehicle Tax - Check whether a vehicle is taxed, when tax is due and whether it has been registered as off the road.
- GOV.UK - Check MOT Status - Check whether a vehicle has a valid MOT certificate and when the current MOT runs out.
- GOV.UK - Check MOT History - View past MOT results, recorded mileage, failures, advisories and certificate downloads.
- TfL - Check Your Vehicle - Check London ULEZ, LEZ and other charging rules for a vehicle.
