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Self-Employed Car Capital Allowance Calculator
If you're self-employed or a sole trader and use a car for business, you can claim capital allowances to reduce your tax bill. The rate depends on CO2 emissions. Enter your details below and we'll calculate your allowable deduction for Year 1 and Year 2.
Work Out Your Car Tax Relief
If you're self-employed or a sole trader and use a car for business, you can claim capital allowances to reduce your tax bill. The rate depends on CO2 emissions. Enter your details below and we'll calculate your allowable deduction for Year 1 and Year 2.
1
Your car details
Tell us the purchase price, CO2 emissions and how much you use the car for business vs personal use
2
Sale details (optional)
If you've already sold the car - or plan to this tax year - add the sale price so we can calculate your balancing allowance
3
Instant results
We'll show your Year 1 allowable deduction, Year 2 position (if sold), pool balance carried forward and total tax relief