How to use this tax & salary hub
Tax and salary calculators are most useful when the real question is not your headline income, but what you actually keep. A change in salary, deductions, pension contributions, dividends, or employment type can all shift the answer in ways that are easy to underestimate when you look only at gross figures. This hub brings those decisions into one place so you can compare them without rebuilding the maths from scratch each time.
The calculators here are arranged around common decisions: understanding take-home pay, reviewing tax bands and deductions, and comparing more specialist scenarios such as self-employment, capital gains, salary sacrifice, or pension contributions. That makes it easier to move from a simple payslip question to a broader planning view, especially when multiple deductions interact.
These tools are particularly useful before accepting a pay offer, reviewing freelance income, planning year-end actions, or checking how a pension or benefits change might affect net pay. They are not a replacement for payroll software or formal advice, but they are extremely effective for spotting which variables matter and which options are worth a closer look.
Start with the calculators that match your immediate question, then use the supporting tools to pressure-test the result. In practice, the best workflow is to compare gross and net pay first, then move into tax-specific tools and guides so you understand not only the answer, but also why the answer changes when the inputs move.
Most popular calculators
Start with the tools people usually need first, then move into the grouped sections below for more specific scenarios.
Guides that support this category
Use these editorial guides when you need more context before choosing the right calculator.
Salary Calculator vs Hourly Pay: Convert and Compare
Learn how to compare annual salary to hourly pay and understand the true value of your compensation.
7 min read
Gross Salary vs Net Salary Calculator: Understanding Your True Take-Home Pay
Understand the difference between gross and net salary, including tax, NI, and deductions.
8 min read
Income Tax vs National Insurance Calculator: Complete Tax Breakdown
Understand how income tax and national insurance are calculated separately in your payslip.
9 min read
Best Tax Calculators for UK Residents
Calculate your UK tax, National Insurance, and take-home pay. Find the right tax tools for your income situation.
10 min read
Take-home pay and pay conversion
Use these tools to compare salary, hourly pay, overtime, and net income before or after tax.
Salary After Tax Calculator
Calculate your take-home pay after income tax and national insurance or social security.
Hourly to Salary Calculator
Convert your hourly wage to annual, monthly and weekly salary instantly.
Overtime Pay Calculator
Calculate overtime earnings with any multiplier — time-and-a-half, double time, and more.
Redundancy Pay Calculator
Calculate your UK statutory redundancy pay based on age, years of service, and weekly pay. Includes the 2025/26 weekly pay cap of £700.
Student Loan Repayment Calculator
Calculate your monthly student loan repayments for Plan 1, Plan 2, Plan 4 or Plan 5. See how long until your loan is repaid and how much interest accrues.
Income tax and deductions
These calculators help you understand the impact of income tax, NI, pension deductions, and salary-sacrifice choices.
Income Tax Calculator
Calculate income tax across all bands. Enter your personal allowance for your country.
National Insurance Calculator
Calculate employee National Insurance contributions on your salary. Updated for 2025/26 NI rates.
Pension Contribution Calculator
Calculate pension or retirement contributions, employer match, and tax relief.
Salary Sacrifice Calculator
Calculate how much tax and National Insurance you save through salary sacrifice. Works for pension, EV car schemes, cycle to work and more.
Deductions Calculator
Deductions Calculator helps you estimate the main outcome for Australia using Gross Pay (£), Tax Deduction (£), and NI Deduction (£). Use it to compare scenarios before making a final decision.
Self-employed and specialist tax planning
Use these when your situation involves dividends, gains, corporation tax, inheritance planning, or regional tax differences.
Self-Employed Tax Calculator
Calculate your self-employed tax bill for 2025/26 including income tax, Class 2 and Class 4 National Insurance. Enter your income, expenses and pension contributions.
Dividend Tax Calculator
Calculate UK dividend tax for 2025/26. See how much tax you owe on dividends alongside your salary, including the £500 dividend allowance and basic, higher and additional rate bands.
Capital Gains Tax Calculator
Calculate UK Capital Gains Tax (CGT) for 2025/26 on property or shares. Includes the £3,000 annual exempt amount and the correct rates for basic and higher rate taxpayers.
Inheritance Tax Calculator
Estimate UK Inheritance Tax (IHT) on an estate for 2025/26. Includes nil rate band, residence nil rate band, and the charity exemption for the reduced 36% rate.
Corporation Tax Calculator
Calculate corporation tax on company profits including marginal relief for profits between £50,000 and £250,000.
Scotland Income Tax Calculator
Calculate your take-home pay under Scottish income tax rates for 2025/26. Includes all 6 Scottish tax bands, NI, pension, and student loan deductions.