UK Tax & Finance Calculators
Free, accurate calculators for take-home pay, dividends, ISAs, pensions, and more. Updated for 2025/26 tax year.
Our Calculators
Everything you need to understand your UK taxes and plan your finances.
Take-Home Pay Calculator
Calculate your salary after tax, NI, student loan & pension deductions
UpdatedDividend Tax Calculator
See how much tax you'll pay on dividend income including the dividend allowance
ISA Optimizer
Compare Cash vs Stocks & Shares ISA returns and tax savings
Pension Calculator
Project your pension pot growth with employer contributions and tax relief
Student Loan Calculator
Calculate monthly repayments for Plan 1, 2, 4, 5 & Postgraduate loans
NewCapital Gains Tax Calculator
Calculate CGT on property sales, shares, and other assets
NewInheritance Tax Calculator
Estimate IHT on your estate including nil rate band and residence allowance
NewStamp Duty Calculator
Calculate SDLT for standard, first-time buyer, and additional property purchases
NewSelf-Employed Tax Calculator
Calculate income tax, Class 2 & 4 NI, and payments on account for freelancers
NewMortgage Affordability Calculator
Calculate monthly payments, total interest, and how much you can borrow
NewEmployer NI Calculator
Calculate the true cost of employing staff including employer NI contributions
NewSalary Sacrifice Calculator
See how much you save on tax and NI through pension salary sacrifice
NewMarriage Allowance Calculator
Check eligibility and calculate your £252 annual tax saving
NewChildcare Costs Calculator
Compare Tax-Free Childcare, 30 hours free, vouchers, and UC support
NewCompany Car Tax Calculator
Calculate Benefit in Kind tax on your company car based on CO2 emissions
How Healthy Are Your Finances?
Take our free 2-minute quiz and get a personalized score with recommendations to improve your financial wellbeing.
Start Quiz →Important UK Tax Changes Coming
Stay ahead of upcoming changes that could affect your take-home pay, savings, and retirement plans.
Dividend Tax Impact
Fiscal drag means more people will pay higher rates on dividend income as allowances remain frozen.
ISA Cash Cap
The annual Cash ISA contribution limit may drop to £12,000, making planning ahead more important.
Pensions & Inheritance Tax
Pensions may be included in Inheritance Tax calculations, affecting retirement and estate planning.
About TaxCalcs
TaxCalcs is a free, independent resource built to help UK taxpayers understand their finances. Whether you are an employee wondering how much of your salary you actually take home, a shareholder trying to work out dividend tax, or someone planning for retirement, our calculators give you clear, accurate answers in seconds. Every tool is regularly updated to reflect the latest HMRC rates and thresholds for the 2025/26 tax year.
How Our UK Tax Calculators Work
Our calculators use the official HMRC tax bands, National Insurance thresholds, and allowance figures published for the current tax year. Simply enter your details and our engine computes your liability instantly, right in your browser. No data is sent to any server — your financial information stays completely private.
The Take-Home Pay Calculator factors in income tax, National Insurance, student loan repayments, and pension contributions so you can see your true net pay. Our Dividend Tax Calculator helps company directors and investors understand the tax due on their dividend income, accounting for the current £500 dividend allowance.
Thinking about saving or investing tax-efficiently? The ISA Optimizer compares Cash and Stocks & Shares ISA returns so you can make the best use of your £20,000 annual allowance. For longer-term planning, our Pension Calculator projects how your retirement pot could grow with employer contributions and tax relief. And if you have a student loan, the Student Loan Calculator breaks down your monthly repayments across Plan 1, 2, 4, 5, and Postgraduate loan types.
Looking for a quick overview of where you stand financially? Try our Financial Health Score quiz. In just two minutes, you will receive a personalized score along with tailored recommendations to help you save more, pay less tax, and build long-term wealth. All our tools are completely free to use and designed with simplicity in mind, so you can make informed decisions without needing a financial adviser for every question.