Car tax, company cars and mileage, worked out
Free calculators that use the rates GOV.UK and HMRC publish, and show every step of the sum.
Car tax from the second year
£200a year
The standard rate for most cars registered since 1 April 2017, petrol, diesel or electric, from 1 April 2026.
HMRC's mileage rate for cars is now 55p a mile for the first 10,000 business miles. Mileage rates
Vehicle tax
- Car tax calculator: how much is my car tax?Vehicle tax for any car, from its registration date, fuel, CO2 and list price, with every way to pay.
- Electric car taxWhat electric cars pay now: £10 in the first year, then the standard rate, and the supplement over £50,000.
- Expensive car supplementThe extra vehicle tax on cars with a list price over £40,000, or £50,000 for electric cars.
- Motorbike taxVehicle tax for a motorcycle by engine size, and for electric motorcycles.
- Van taxVehicle tax for vans up to 3,500kg, including electric vans.
Company cars
- Company car tax calculator (benefit in kind)Tax on a company car and free fuel, from the list price, CO2, electric range and your tax rate.
- Company car tax rates (BIK percentages)HMRC's appropriate percentages for 2026 to 2027 and 2025 to 2026, by CO2 and electric range.
Mileage and journeys
- Mileage allowance calculatorHMRC's tax-free mileage amount for your business miles, and the relief to claim if your employer pays less.
- HMRC mileage ratesThe approved mileage rates for cars, vans, motorcycles and bicycles, now 55p a mile for cars.
- Speed, distance and time calculatorWork out any one of speed, distance or journey time from the other two.
Rates and guides
- Car tax bands and vehicle tax rates 2026 to 2027Every vehicle tax rate from GOV.UK: first-year rates, the standard rate, bands A to M, older cars, vans and motorcycles.
- Our rates and where they come fromEvery figure the calculators use, with its GOV.UK or HMRC source and the date we checked it.
Running costs? Work out what a journey costs in fuel or electricity on our sister site, Energy Calculators.
Why these calculators are different
Vehicle tax rates come straight from GOV.UK's tables, and company car and mileage rates from HMRC, for 1 April 2026 to 31 March 2027. A script reads them from GOV.UK and checks every table before the site uses it, and every result has a "Show the workings" button so you can follow the sum.