2026/27 Tax YearHMRC Rates
Fuel Benefit Calculator
Calculate the tax on your company car and fuel benefit using 2026/27 HMRC rates. See how CO2 emissions affect your benefit in kind.
HMRC Compliant
Updated May 2026
Fuel Multiplier: £27,800
Company Car Details
Enter your company car and fuel benefit details
Include accessories and delivery charges
Total Annual Tax
£3,352
£279 per month
Benefit in Kind Breakdown
BiK Percentage29%
Car Benefit Value£8,700
Car Benefit Tax£1,740
Fuel Benefit Value£8,062
Fuel Benefit Tax£1,612
Total BiK Value£16,762
2026/27 Company Car Tax Rates
How CO2 emissions affect your benefit in kind percentage
Key Information
- • Electric vehicles: 2% BiK rate
- • Diesel cars: +4% supplement (unless RDE2 compliant)
- • Maximum BiK percentage: 37%
- • Fuel benefit multiplier: £27,800
- • No fuel benefit charge for electric vehicles
Sample BiK Rates
0g/km (Electric)2%
1-50g/km2%
100-104g/km25%
130-134g/km31%
160g/km+37%