Carbikly

About Carbikly

Carbikly is a calculator for UK company cars, aimed at drivers weighing a car offer, directors putting a car through their company, and fleet or payroll managers who report them. It works out the benefit in kind from the P11D value and CO2 band, the tax the driver pays at their own rate, the employer's Class 1A on the same figure, and the advisory fuel or electricity rate for business mileage.

The four free tools are open without an account, login or card, so a driver can check two cars side by side before accepting an offer. The figures are worked from HMRC's published steps and rates, with the source and date shown on the page.

A paid Pro plan at £14 a month for the whole fleet keeps cars, drivers and yearly results in one record, with reminders before the 6 July P11D and 22 July Class 1A deadlines. It does not handle payroll, leasing, insurance or corporation tax, and it only covers cars in the United Kingdom.