Finance tools that bring clarity to every decision
Estimate UK taxes with transparent calculators and understand the rules with plain-English guides.
Calculators
Featured calculators
Transparent UK tax estimates for everyday decisions — employment, self-employment, companies and estates.
Income Tax Calculator
Estimate take-home pay, Income Tax and employee National Insurance from a gross salary — with optional pension and student loan settings.
Open calculatorSelf-Employed Tax Calculator
Turn sole trader turnover and expenses into Income Tax, Class 4 and Class 2 National Insurance and a Self Assessment estimate.
Open calculatorDirector Salary and Dividend Calculator
Compare salary and dividend extraction routes, including Corporation Tax and director National Insurance.
Open calculatorInheritance Tax Calculator
Estimate Inheritance Tax on an estate at death using assets, debts, spouse or civil-partner transfers, and available nil-rate bands.
Open calculatorMore calculators
- Net to Gross Salary CalculatorWork backwards from a target take-home figure to find the gross salary (and employer cost) you would need.
- Company Car Tax CalculatorEstimate company-car Benefit in Kind, additional employee Income Tax and employer Class 1A NIC for electric, hybrid, petrol and diesel cars.
- Pension Annual Allowance & Carry Forward CalculatorWork out your pension annual allowance, tapered allowance, unused carry forward and whether your pension savings may exceed your available allowance.
- Corporation Tax CalculatorEstimate UK Corporation Tax using accounting profit, tax adjustments, associated companies and your accounting period.
- Stamp Duty CalculatorEstimate Stamp Duty Land Tax on residential property in England and Northern Ireland — standard rates, first-time buyers, additional properties and a rate-band breakdown.
- Capital Gains Tax CalculatorEstimate UK Capital Gains Tax on shares, residential property and other chargeable assets — with allowable costs, losses, the Annual Exempt Amount and taxable-income interaction.
Topics
Explore by topic
Start from the area you need help with, then open the matching calculators and guides.
Employment tax
Income Tax, National Insurance, PAYE, tax codes, student loans and take-home pay for employees.
Explore EmploymentSelf-employed tax
Sole trader registration, allowable expenses, cash basis, payments on account and Making Tax Digital.
Explore Self-employedLimited company tax
Corporation Tax, director salary versus dividends, employer National Insurance, company pensions and benefits in kind.
Explore Limited companyProperty tax
Stamp Duty, buy-to-let income tax, rental allowances, Capital Gains Tax on property, and Inheritance Tax on estates that include a home.
Explore PropertyInheritance Tax
How UK Inheritance Tax works on estates, the residence nil-rate band, and lifetime gifts — with a calculator for estate-at-death estimates.
Explore Inheritance TaxInvesting and Capital Gains
Capital Gains Tax, capital losses, dividend tax outside ISAs, and ISA allowances.
Explore InvestingPensions and tax relief
Pension tax relief methods, salary sacrifice, and employer pension contributions.
Explore Pensions
Guides
Featured guides
Plain-English explanations that sit alongside the calculators — so you can understand the rules before you estimate a figure.
Tax Codes Explained
How PAYE tax codes work, what 1257L means, and how to check your code is right.
Read guideEmployment Allowance Explained
What Employment Allowance is, who can claim it, the single-director rule, and how it offsets employer National Insurance.
Read guidePension Annual Allowance Explained
How the UK pension annual allowance works — standard limit, taper, carry forward, MPAA and what happens if you exceed it.
Read guideStamp Duty on Second Homes and Additional Properties
How higher rates of Stamp Duty Land Tax work for second homes, buy-to-let and other additional dwellings in England and Northern Ireland.
Read guideInheritance Tax Explained
How UK Inheritance Tax works on an estate — thresholds, rates, residence nil-rate band, gifts in outline and the 6 April 2027 pension change.
Read guide
Built for clear decisions
Sorvuna calculators show transparent workings and assumptions. Guides cite official sources and stay educational — estimates only, not tax, legal or financial advice.
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