Free Car Calculators UK
Tax, fuel and ownership-cost tools for UK motorists.
Choose a calculator
ROAD TAX & VED
Car Tax Calculator
Check estimated UK Vehicle Excise Duty (VED) by registration using vehicle data and published VED rates.
FUEL SPEND
Fuel Cost Calculator
Estimate petrol or diesel costs from mileage, real MPG and your price per litre.
OWNERSHIP COSTS
Running Cost Calculator
Estimate fuel, insurance, tax, MOT, servicing, tyres, finance and depreciation costs.
Calculator results are estimates unless stated otherwise. Vehicle, fuel and ownership circumstances can change the final amount.
Car Facts UK Calculators
Practical tools for understanding road tax, fuel spend and the wider cost of owning a car in the UK.
Choose a calculator
Useful numbers before and after you buy
Start with the cost you want to understand. Each calculator is separate, free and designed for a specific question.
ROAD TAX & VED
Car Tax Calculator
Check estimated UK Vehicle Excise Duty by registration using official vehicle data and published UK VED rates.
FUEL SPEND
Fuel Cost Calculator
Estimate petrol or diesel costs from mileage, real MPG and the price you pay per litre.
OWNERSHIP COSTS
Running Cost Calculator
Estimate wider ownership costs including fuel, insurance, tax, MOT, servicing, tyres, finance and depreciation.