United Kingdom · 29 tools
Tax & Salary calculators
Work out the bill and the cash you keep — then open the tool that matches your country and tax year.
Most used
Start here, then explore the groups below.
Separate the tax you pay from the cash you keep
Tax tools answer a different question from a payslip: which band, which deduction, and what happens if income or contributions move. Treat the result as a planning estimate until you have checked the current official bands for your country and tax year.
- Confirm the tax year and residency rules the calculator is modelling.
- Change one input at a time — salary, pension or a taxable event — so you can see which lever moved the bill.
- Use the linked take-home or payroll tool when you need net pay rather than the tax line alone.
From band to take-home
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.
Guides that support this category
Use these when you need more context before choosing a 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.
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.
Income Tax vs National Insurance Calculator: Complete Tax Breakdown
Understand how income tax and national insurance are calculated separately in your payslip.
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.
Take-home pay and pay conversion5
Use these tools to compare salary, hourly pay, overtime, and net income before or after tax.
Income tax and deductions5
These calculators help you understand the impact of income tax, NI, pension deductions, and salary-sacrifice choices.
Self-employed and specialist tax planning6
Use these when your situation involves dividends, gains, corporation tax, inheritance planning, or regional tax differences.
More tools in this category13
Use these supporting calculators when you need a more specific comparison or a second opinion on the same decision.