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🏗 Benefit In Kind Calculator

How much tax will you pay on your employee benefits?

Company cars, private medical, interest-free loans — find out exactly what BIK costs you and your employer in 2025/26.

📅 Tax Year 2025/26 🇬🇧 UK Employees & Directors ⚡ Instant Results
Tax Year
£0 BIK Value
£0 Employee Tax
£0 Employer NI (Class 1A)
£0 Total Tax Cost
Your Details
£
£
Uses the DVLA vehicle database. CO₂ figures are official WLTP values from the V5C.
£
£
£
%
g/km
£
ℹ️

Enter the taxable cash equivalent of the benefit. For most benefits this is the cost to the employer minus any amount made good by the employee.

Tax Cost Breakdown
£0 total tax
Employee income tax £0
Employer Class 1A NI £0
BIK value £0
Combined tax as % of BIK value 0%

Employee Tax Calculation

Adjust inputs to see your results

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BIK Cash Equivalent
Taxable value of the benefit
£0
📈
Appropriate Percentage
—
—
👤
Total Employee Income Tax
BIK value × income tax rate
£0

Employer Class 1A NI

Employer's National Insurance on the benefit

🌍
BIK Cash Equivalent
Taxable value of the benefit
£0
🏢
Employer Class 1A NI
BIK value × 15%
£0
What is a Benefit in Kind?

Benefits that aren't cash — but are still taxed

A Benefit in Kind (BIK) is any non-cash perk provided by an employer that has a monetary value. HMRC taxes both the employee and the employer on most benefits.

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Employee pays Income Tax

The cash equivalent of the benefit is added to your taxable income. You pay income tax on that value at your marginal rate — 20%, 40% or 45%.

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Employer pays Class 1A NI

Employers pay Class 1A National Insurance at 15% on the cash equivalent of most benefits. This is separate from the employee's tax.

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Reported on P11D

Benefits are reported to HMRC annually on a P11D form (or via payroll). The deadline is 6 July after the end of the tax year.

Company Car Appropriate Percentages

Used to calculate BIK value from list price
Fuel Type CO₂ / Range 2025/26 % 2026/27 %
Fuel / CO₂ — 25/26 26/27
Electric0 g/km3%4%
Hybrid130+ mile range3%4%
Hybrid70–129 mile range6%7%
Hybrid40–69 mile range9%10%
Hybrid30–39 mile range13%14%
HybridUnder 30 miles15%16%
Petrol / Diesel1–50 g/km16%17%
Petrol / Diesel51–54 g/km16%17%
Petrol / Diesel55–59 g/km17%18%
Petrol / Diesel60–64 g/km18%19%
Petrol / Diesel65–69 g/km19%20%
Petrol / Diesel70–74 g/km20%21%
Petrol / Diesel75–79 g/km21%21%
Petrol / Diesel80–84 g/km22%22%
Petrol / Diesel85–89 g/km23%23%
Petrol / Diesel90–94 g/km24%24%
Petrol / Diesel95–99 g/km25%25%
Petrol / Diesel100–104 g/km26%26%
Petrol / Diesel105–109 g/km27%27%
Petrol / Diesel110–114 g/km28%28%
Petrol / Diesel115–119 g/km29%29%
Petrol / Diesel120–124 g/km30%30%
Petrol / Diesel125–129 g/km31%31%
Petrol / Diesel130–134 g/km32%32%
Petrol / Diesel135–139 g/km33%33%
Petrol / Diesel140–144 g/km34%34%
Petrol / Diesel145–149 g/km35%35%
Petrol / Diesel150–154 g/km36%36%
Petrol / Diesel155+ g/km37%37%

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⚠️ These figures are estimates based on confirmed HMRC rates for 2025/26. Benefit in Kind values are calculated using HMRC's approved percentage tables. Employee income tax is calculated based on the income entered and assumes no other allowances, reliefs, or deductions apply. Employer Class 1A NI is calculated at 15% of the BIK value. This calculator does not constitute financial or tax advice — always consult a qualified accountant or tax adviser before making decisions.