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Use a simpler calculation to work out income tax for your vehicle, home and business premises expenses
Simplified expenses are a way of calculating some of your business…
Calculate your vehicle expenses using a flat rate for mileage instead of…
Calculate your allowable expenses using a flat rate based on the hours you…
A small number of businesses use their business premises as their home,…
Find out how interest is calculated and applied if you have a Plan 4 student loan, as well as previous interest rates.
Use these calculators and tax tables to check payroll tax, National Insurance contributions and student loan deductions if you're an employer.
What to do if you need to pay more tax or you're due a refund, including P800 tax calculations from HM Revenue and Customs (HMRC).
Work out whether you can claim Married Couple's Allowance (MCA) and find out how much you could get taken off your tax bill
Understand your Self Assessment tax bill - your tax calculation, statement, balancing payments, payments on account.
Find out about the Direct Calculation VAT Retail Schemes 1 and 2, how they work and what records you must keep.
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