Free UK car calculators
Quick, accurate tools for UK drivers, using the 2026/27 tax rates and the latest official figures. No sign-up and nothing to install.
MOT and checks
- MOT reminderWork out the earliest date to book your MOT and add a free calendar reminder.
- Number plate age checkerFind the year and month a car was first registered from its number plate.
Tax and costs
- Car tax calculatorWork out vehicle tax (VED) for any car, using the 2026/27 rates.
- Company car tax calculatorBenefit-in-kind tax on a company car for 2026/27 and 2027/28.
- Mileage allowance calculatorHMRC mileage rates for 2026/27, including the new 55p rate.
Running costs
- Fuel cost calculatorWhat a journey costs in petrol or diesel, and the cost per mile.
- MPG calculatorWork out real fuel economy and convert between mpg and litres per 100km.
- EV charging cost calculatorWhat it costs to charge an electric car at home or on the public network.
Buying and selling
- PCP and car finance calculatorMonthly payments and total cost for PCP and hire purchase.
- Car depreciation calculatorEstimate what a car will be worth in one to ten years.
Safety and driving
- Tyre size explainedDecode any tyre size, load index and speed rating.
- Stopping distance calculatorThinking, braking and total stopping distances from the Highway Code.
- Speeding fine calculatorThe band, fine range and penalty points for a speeding offence.
- BHP to kW converterConvert engine power between bhp, PS and kW, and torque between Nm and lb ft.
Vehicle checks
- MOT history checkEvery MOT test, mileage reading and advisory since 2005.
- MOT due date checkWhen a car's MOT runs out, and the earliest day to retest.
- Mileage checkIs a car's mileage normal for its age? Spot readings that went down.
- ULEZ checkWill a car pay the £12.50 London ULEZ charge?
- Recall checkUnfixed manufacturer safety recalls.