All Calculators
20+ free tools updated for the 2025/26 tax year. No sign-up required.
Tax
| Salary & Tax | Take-home pay after income tax, NI, student loans | Open → |
| Dividend Tax | Tax on share income with £500 allowance | Open → |
| Capital Gains Tax | CGT on shares, crypto, property | Open → |
| Self-Employed Tax | Income tax, Class 2 & 4 NI for sole traders | Open → |
| National Insurance | Employee, employer, and self-employed NI | Open → |
| IR35 / Contractor | Inside vs outside IR35 comparison | Open → |
| Savings Tax | Tax on interest with PSA allowance | Open → |
| Inheritance Tax | IHT with nil rate band and RNRB | Open → |
Property
| Mortgage | Monthly repayments at different rates and terms | Open → |
| Stamp Duty | SDLT, LBTT, LTT with buyer relief | Open → |
| Mortgage Affordability | Borrowing power based on income | Open → |
Planning
| Pension Tax Relief | Relief on contributions, Annual Allowance | Open → |
| Salary Sacrifice | NI and tax savings on pension, childcare, EV | Open → |
| Student Loan | Repayments for Plans 1–5 and Postgrad | Open → |
| Marriage Allowance | Transfer £1,260 allowance, save up to £252/yr | Open → |
| Child Benefit | Payments and HICBC clawback above £60k | Open → |
| ISA Calculator | Project growth with £20k annual allowance | Open → |
| Employer Cost | True hiring cost: salary + NI + pension | Open → |
Reference
| Take Home Pay | Monthly, weekly, daily net pay breakdown | Open → |
| Hourly Rate → Salary | Convert hourly pay to annual salary | Open → |
| Income Percentile | Where your income ranks in the UK | Open → |
| Tax Calendar | Key HMRC dates and deadlines 2025/26 | Open → |
| Compare Calculators | UKCalc vs other UK tax calculator sites | Open → |
About these calculators
All calculators use official HMRC rates and thresholds for the 2025/26 tax year (6 April 2025 to 5 April 2026). They provide quick, accurate estimates for common UK tax and finance calculations.
For personalised financial advice, always consult a qualified financial advisor. These calculators are for informational purposes only.