Free UK tax calculators & tools
Free calculators and tools
Eight quick interactive calculators using the latest 2026/27 UK rates — Capital Gains Tax, Inheritance Tax, payroll, dividends, self-assessment, sole trader vs limited company, Stamp Duty and Making Tax Digital eligibility. Free to use, no sign-up. Save your results as a PDF when you are done.
Personal & income tax
Payslip Calculator
Gross to net for UK employees. Income tax, NI, student loan, pension. Annual / monthly / weekly take-home.
Open calculator → SA · 2024/25–2026/27SA Income Tax & NI Calculator
Self-employment, PAYE, rental and dividends combined into a single SA bill. Class 2 and Class 4 NIC included.
Open calculator →MTD eligibilityMTD Eligibility Checker
Find out whether and when MTD for Income Tax applies to you (April 2026 / 2027 / 2028 thresholds), and what to do next.
Open tool →Limited company
Corporation Tax Calculator
For limited companies. Small profits 19%, main 25%, marginal relief between. Adjusts for associated companies and short accounting periods.
Open calculator → Director pay · 2026/27Salary vs Dividend Calculator
For limited company directors. Compare a salary-heavy split vs salary + dividend, with marginal-relief Corporation Tax.
Open calculator → Structure choice · 2026/27Sole Trader vs Ltd Co Calculator
Side-by-side comparison of total tax + take-home for both routes at the same profit level. Helps decide whether to incorporate.
Open calculator →Capital gains, inheritance & property
Capital Gains Tax Calculator
Estimate CGT on residential property or other assets. Includes the £3,000 annual exempt amount and current 18% / 24% rates.
Open calculator → IHT · 2026/27Inheritance Tax Calculator
Estate value, NRB, RNRB with the £2m taper, transferable allowances and the 36% reduced rate for charity gifts.
Open calculator → SDLT · England & NISDLT Calculator
Standard residential, first-time buyer relief, additional dwellings (+5%), non-UK resident (+2%) and commercial property bands.
Open calculator →All calculators give indicative figures based on the inputs you provide and the latest published UK rates. They are not tax advice. For your specific position book a free 30-minute call.
Want one of these calculations done properly?
The calculators above are useful for ballpark figures, but the actual answer for your situation often depends on reliefs, allowances, timing or planning that the tools do not capture. We do this kind of work day in day out for clients across the UK — fixed fees, real human advice, no waffle. Book a 30-minute call and we will tell you straight whether we can help and what it would cost.
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