Find the true monthly cost of your company car.

BIK is only part of the story. Add your own payments, fuel or charging and business-mile reimbursement to see the number you actually care about.

UK 2026/27Scotland + rest of UKFree · no sign-up

About you

Income Tax region

Expected annual taxable employment income

£ / yr

Include expected taxable bonus. £65,000, 65000 and 65k all work.

Your company car

Vehicle type

P11D / list price

Required private-use payment

£ / mo

Other fixed car cost

£ / mo

Anything you pay monthly that does not qualify as a private-use BIK deduction.

Electric car details

Efficiency

mi/kWh

Home electricity

p/kWh

How much of your charging is public?

Used to split your electric driving between home and public charging.

Public charging price

p/kWh

Driving

Total miles per month

Business miles per month

Business-mile reimbursement

Employer reimbursement

p/mile

Do you charge differently when travelling for work?No — use the same public charging share entered above.

Employer can substantiate a higher actual fuel/electricity cost?Only tick this if the employer can evidence why its rate is above HMRC's benchmark.

Estimate only, not tax advice. Rates last checked 8 August 2026. Full-year car availability and standard employee NI Category A assumed.

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