United Kingdom Financial Calculators
2026/27 Tax Year — Verified rates from official authorities
UK IR35 Status & Take-Home Pay Calculator (Inside vs Outside IR35)
Calculate and compare your net take-home pay as a UK IT/engineering contractor working Inside IR35 (via PAYE or Umbrella Company with Employer's NI, Apprenticeship Levy, and fee margins) versus Outside IR35 (via Personal Service Company / Ltd Company with optimal salary £12,570, Corporation Tax, and Dividend Tax).
UK Stamp Duty Land Tax (SDLT / LBTT / LTT) Property Calculator
Calculate property transaction taxes across all UK nations: Stamp Duty Land Tax (SDLT in England & NI), Land and Buildings Transaction Tax (LBTT in Scotland), and Land Transaction Tax (LTT in Wales), accounting for First-Time Buyer relief, additional residential property surcharges (3% / 6%), and non-UK resident surcharges.
UK Take-Home Salary & Tax Calculator (Income Tax, NI & Pension)
Calculate your exact monthly and annual net salary in the UK across England, Wales, Northern Ireland, and Scotland. Features full support for Tax Code adjustments, Salary Sacrifice pensions, Student Loan Plans 1/2/4/5 & PG, and the £100k Personal Allowance taper trap.
UK Limited Company Director Salary vs Dividend Tax Optimizer
Optimize director remuneration for UK limited companies. Calculate the optimal split between Director's Salary (£9,100 vs £12,570) and Dividends, taking into account Corporation Tax main rate (25%), small profits rate (19%), marginal relief, Employer/Employee NI, Personal Allowance, and Dividend Tax bands.
UK Statutory Redundancy Pay & Settlement Agreement Tax Calculator
Calculate your statutory redundancy pay entitlement under UK employment law, assess ex-gratia payments, and calculate tax/NI obligations for settlement agreements including the £30,000 tax-free exemption under Section 401 ITEPA 2003 and PILON rules.