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Register to vote Register by 18 June to vote in the General Election on 4 July.
Calculate value build-up costs for use with the Single Administrative Document (SAD) using form C89.
Work out how much statutory holiday leave you’re entitled to as an agricultural worker
Find out how much you'll need to pay if Digital Services Tax applies to your business.
Find out if simplified expenses suits your business. Compare what expenses you can claim using simplified expenses with what you can claim by working out the actual costs.
Find out which method you should use to calculate the customs value if you’re a selling agent or branch office.
How to calculate the Income Tax, National Insurance and student loan deductions due on the disguised remuneration loan charge.
How to calculate your employee's Statutory Sick Pay if you cannot use the GOV.UK calculator.
Calculate your part-year profits to end your Tax Credits award and claim Universal Credit if you’re self-employed
The advanced maths premium is funding for additional students studying an eligible level 3 maths qualification.
How to work out the customs value of imported goods that are free of charge, used, rented or leased if you're an importer or clearing agent.
Find out how much you need to put aside for your Self Assessment tax bill if you're self-employed by using HM Revenue and Customs' (HMRC's) self-employed tax calculator.
Use this form to work out interest and penalties for tax years ending 5 April 2004 to 5 April 2023.
Print your SA302 tax calculation and tax year overview if you're applying for a mortgage and need proof of earnings.
Use a simpler calculation to work out income tax for your vehicle, home and business premises expenses
Calculating the net volume of professional refrigerated storage cabinets for Energy Technology List product applications.
Work out the amount of Income Tax or Corporation Tax relief you can claim if you give away or sell land, property or shares to a charity.
How to read your gas meter and convert this reading to kilowatt hours.
Use this form to work out Income Tax, interest, penalties and Class 4 National Insurance contributions for tax years ending 5 April 2010 to 5 April 2023.
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