Why use calculators before deciding
If you are comparing cars, planning a trip, or trying to understand running costs, vehicle calculators can save time and reduce guesswork. They turn rough estimates into numbers you can compare side by side. That matters whether you are buying your first car, checking a loan payment, or trying to understand how much an EV will cost to charge.
This page is a quick map of the main tools on the site. Think of it as a starting point: choose the calculator that matches your question, run a few scenarios, then compare the results. For example, a 15,000 km yearly driver will often care more about fuel and ownership costs than someone who only needs a monthly finance estimate.
Note: These tools are for informational purposes only and do not replace professional financial, legal, or technical advice.
Fuel and trip tools
Use the fuel cost calculator when you want trip-level or monthly fuel estimates
If your main question is “How much will this drive cost?”, start with the fuel calculator. It is useful for road trips, commuting budgets, and comparing two vehicles with different consumption levels. A simple example: if a car uses 6.5 L/100 km and fuel costs $1.80 per liter, a 300 km trip will use about 19.5 liters, or roughly $35.10 in fuel.
This is the right tool when you want quick answers for:
- daily commuting cost
- holiday or business trip fuel budget
- comparing two cars by fuel use
- estimating monthly fuel spend
If you need a fast starting point, try the fuel tool here: Fuel cost calculator.
Finance tools
Use the loan payment calculator for monthly repayment planning
When you are financing a car purchase, the loan calculator helps you estimate monthly payments before you apply. That makes it easier to check whether a vehicle fits your budget. For example, a $22,000 loan at 7% over 60 months is very different from the same amount over 36 months: the shorter term usually means higher monthly payments but less total interest.
Use this calculator if you want to:
- estimate monthly car loan payments
- compare loan terms
- see how interest changes your budget
- test different down payment amounts
Open the tool here: Loan payment calculator.
Use the lease vs buy calculator when you are choosing between ownership paths
Not every driver wants the same financing structure. Leasing may offer lower monthly payments, while buying may make more sense if you keep the car for many years. The lease-vs-buy calculator helps you compare the long-term cost difference. For instance, a lower lease payment can look attractive today, but a purchase may become cheaper if you drive high mileage or keep the vehicle beyond the lease term.
This tool is especially helpful if you are:
- comparing lease offers and loan offers
- trying to understand mileage limits
- planning for long-term ownership
- weighing monthly affordability against total cost
Try it here: Lease vs buy calculator.
EV tools
Use the EV charging calculator for home, public, and trip charging estimates
If you drive an electric vehicle, or you are thinking about one, charging cost is one of the first numbers to understand. The EV charging calculator helps estimate how much a full or partial charge may cost based on battery size, energy use, and electricity rates. For example, if you add 40 kWh at $0.28 per kWh, the charge costs about $11.20 before any fees or discounts.
Use this calculator when you want to:
- estimate home charging costs
- compare public charging prices
- plan EV road trip stops
- understand cost per kWh versus fuel cost
Go to the EV tool here: EV charging calculator.
Use the ownership cost calculator to compare the full cost of driving an EV or petrol car
Charging cost is only one part of the picture. Insurance, maintenance, depreciation, taxes, and financing can change the real monthly cost of a vehicle. The ownership cost calculator helps you look at the bigger picture. This is useful when you are comparing an EV with a gasoline car, or when you want to understand your total vehicle budget rather than just the fuel bill.
For example, a car with lower fuel costs may still be more expensive overall if depreciation or financing is high. The ownership calculator helps you test those trade-offs in one place.
Open it here: Ownership cost calculator.
Tyre and maintenance tools
Use the tyre size calculator when you are checking fitment or replacement options
Tyres affect safety, comfort, speedometer accuracy, and even fuel use. If you are replacing tyres or considering an alternative size, the tyre size calculator helps you compare dimensions and see whether a new size is close enough to the original. A small difference in diameter may be acceptable, but a large change can affect handling and clearance.
This tool is useful when you are:
- buying replacement tyres
- checking compatibility of a different size
- comparing OEM and aftermarket options
- trying to understand sidewall and diameter changes
Use the tyre tool here: Tyre size calculator.
Maintenance-related planning also fits under ownership. If you want to understand how tyres, servicing, and other recurring costs affect the total picture, the ownership calculator is usually the best next step.
Suggested calculator paths by goal
If you are planning a road trip
- Start with the fuel cost calculator to estimate trip expense.
- If you drive an EV, switch to the EV charging calculator.
- Use the ownership tool if you want to see the trip in the context of overall vehicle costs.
If you are shopping for a car
- Use the loan payment calculator to test affordability.
- Use the lease vs buy calculator if you are unsure about financing path.
- Finish with the ownership cost calculator to compare the full monthly impact.
If you already own the vehicle
- Check fuel or charging costs with the appropriate tool.
- Use the tyre size calculator before changing wheel setup.
- Review the ownership cost calculator to understand total running costs.
Not sure where to begin? The best all-around starting point is usually the ownership cost calculator, because it brings together the biggest cost categories and helps you compare real-world vehicle decisions in one place.