Car & motoring calculators
Road tax, company car BIK, EV running costs and finance.
16 calculators · cited to gov.uk · 2026/27
Road tax (VED) checker Your annual road tax, with the 2025+ EV rules and the £40k vs £50k supplement. Company car tax (BIK) The yearly Benefit-in-Kind cost, with the electric-car rate curve to 2029/30. EV salary sacrifice calculator The true monthly cost of an EV via salary sacrifice, after tax and NI and the 4% BIK. EV vs petrol running cost Pence per mile and yearly cost, EV vs petrol, blending home and public charging honestly. Mileage allowance (AMAP) Your tax-free mileage at 55p then 25p, plus relief when the employer pays less. PCP vs HP vs cash Total cost of PCP, HP and cash, so the lowest monthly payment does not fool you. Fuel cost calculator Calculate fuel cost calculator. MPG calculator Calculate mpg calculator. Car depreciation calculator Calculate car depreciation calculator. Car finance calculator Calculate car finance calculator. Total cost of car ownership Calculate total cost of car ownership. ULEZ & clean air charge Calculate ulez & clean air charge. Van tax & BIK calculator Calculate van tax & bik calculator. EV charging cost calculator Calculate ev charging cost calculator. Road trip cost calculator Calculate road trip cost calculator. Car insurance group checker Calculate car insurance group checker.
Guides for car & motoring
Clear explanations of the rules behind these calculators, checked against gov.uk for 2026/27.