UK tax calculators 2026/27
Nine calculators for the questions we get asked most — what you will owe, what you will keep, and what to put aside. Free to use, no sign-up, and nothing is stored unless you ask us to email your results.
Rates checked against GOV.UK on 4 September 2026
Take Home Pay Calculator
See exactly what lands in your bank account each month after Income Tax, National Insurance, pension and student loan.
Open itSelf-Employed Tax Calculator
Put in your profit and see the Income Tax and Class 4 National Insurance you will owe, and roughly what to put aside each month.
Open itCorporation Tax Calculator
Work out what your limited company owes, including marginal relief between the small profits and main rates.
Open itVAT Calculator
Add VAT to a net figure, or work backwards from a gross one, at 20% or the 5% reduced rate.
Open itStamp Duty Calculator
Work out the Stamp Duty on a home in England or Northern Ireland, including first-time buyer relief and the second-home surcharge.
Open itCapital Gains Tax Calculator
Estimate the tax on selling a property, shares or a business asset, after the annual exempt amount.
Open itLandlord Tax Calculator
See the tax on your rental profit, including how the Section 24 restriction on mortgage interest actually affects the bill.
Open itLtd vs Sole Trader Calculator
Put in your profit and see what you would keep either way, once Corporation Tax, dividend tax and National Insurance are accounted for.
Open itSalary vs Dividend Calculator
Find the split between salary and dividends that leaves the most in your pocket, at the current dividend rates.
Open itWant someone to check the figures?
A calculator works from the numbers you type in. An accountant works from your whole position. Send us the figures and we will tell you what it really looks like — fixed fees, agreed up front, and the first conversation costs nothing.