Company Car Tax Calculator
✓ Verified for 2026/27Car & Income Details
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%).
BIK & Tax Breakdown
How We Calculated This
- Input variables: Enter the relevant amounts, rates, or percentages in the form.
- Real-time breakdown: The calculator applies HMRC rules and thresholds for the 2026/27 tax year to process the values.
- Display outputs: The visual graphs, donut charts, and tables are compiled dynamically to show your net take-home and deductions.
Real-World Examples
A basic calculation applying standard UK tax bands and allowances.
Calculation runs based on standard HMRC rules.
Factoring in a percentage of salary sacrifice or pension contributions.
Deductions are calculated and adjusted accordingly.
Frequently Asked Questions
Yes, all calculators are fully updated with the latest HMRC thresholds, personal allowances, and National Insurance rates for 2026/27.
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.