Company Car Tax Calculator 2026/27

Company Car Tax Calculator

✓ Verified for 2026/27

Car & Income Details

£
g/km
£

Company car tax is calculated based on the car's P11D list price and its CO2 emissions band (Benefit-in-Kind rate). The BIK value is then taxed at your marginal income tax rate (20% or 40%).

Annual Tax Due
£1,470
company car tax
Monthly Tax Due
£122.50
per month deduction
BIK Percentage
21%
emission band rate
BIK Value
£7,350
taxable benefit amount

BIK & Tax Breakdown

Car List Price (P11D) £35,000
BIK Percentage Band 21%
Taxable BIK Value £7,350
Estimated Tax Band Basic Rate (20%)
Annual Tax Payable £1,470
Tax-free Benefit 80%
Tax Due (20%/40%) 20%

How We Calculated This

  1. Input variables: Enter the relevant amounts, rates, or percentages in the form.
  2. Real-time breakdown: The calculator applies HMRC rules and thresholds for the 2026/27 tax year to process the values.
  3. Display outputs: The visual graphs, donut charts, and tables are compiled dynamically to show your net take-home and deductions.

Real-World Examples

Standard Scenario

A basic calculation applying standard UK tax bands and allowances.

Calculation runs based on standard HMRC rules.
With Pension or Deductions

Factoring in a percentage of salary sacrifice or pension contributions.

Deductions are calculated and adjusted accordingly.

Frequently Asked Questions

Is this calculator updated for the 2026/27 tax year?

Yes, all calculators are fully updated with the latest HMRC thresholds, personal allowances, and National Insurance rates for 2026/27.

Can I use this for official tax submissions?

These tools are for estimation and illustrative purposes only. For official tax returns, please consult a qualified accountant or reference HMRC directly.

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About This Calculator

This calculator uses the latest HMRC rates for the 2026/27 tax year. For illustrative purposes only — always consult a qualified tax adviser for formal advice.