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 an hourly wage to an annual salary or annual pay to an hourly rate. Compare earnings across different pay structures to evaluate job offers accurately.
Overtime Pay Calculator
Calculate overtime earnings with any multiplier — time-and-a-half, double time, and more.
Redundancy Pay Calculator
Estimate UK statutory redundancy pay from age, service and weekly pay, using the £751 weekly cap for redundancies on or after 6 April 2026.
Student Loan Repayment Calculator
Estimate annual and monthly UK student-loan deductions for 2026/27 Plans 1, 2, 4 and 5. Test an interest assumption and see the model’s repayment horizon.
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
Estimate Category A employee National Insurance contributions using the 2026/27 weekly thresholds and rates.
Pension Contribution Calculator
Calculate how much to contribute to your pension to reach your retirement income goal. Model employer contributions, tax relief and growth to plan retirement.
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
Calculate total deductions from gross income including tax, National Insurance and pension contributions. See exactly what comes out of your pay each month.
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
Estimate 2026/27 Income Tax and Class 4 National Insurance on UK sole-trader profit. Personal pension input uses relief-at-source assumptions; voluntary Class 2 is excluded.
Dividend Tax Calculator
Estimate 2026/27 UK tax on dividends alongside employment salary, including the £500 allowance, Personal Allowance taper and current dividend rates.
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
Estimate Scottish take-home pay for 2026/27 using all six income-tax bands, UK National Insurance, salary sacrifice and student-loan deductions.
More tools in this category
Use these supporting calculators when you need a more specific comparison or a second opinion on the same decision.
Universal Credit Calculator
Explore how household details can affect Universal Credit. This simplified illustration cannot determine entitlement, housing support or your official award.
Child Benefit Calculator
Estimate 2026/27 Child Benefit and the High Income Child Benefit Charge using the £60,000–£80,000 adjusted-net-income taper.
Marriage Allowance Calculator
Check if you qualify for Marriage Allowance and calculate your tax saving. Married couples and civil partners could save up to £252 per year.
Pension Tax Relief Calculator
Calculate your pension tax relief for 2025/26. Find out how much HMRC adds to your pension contributions at basic, higher, and additional rate.
Rental Income Tax Calculator (UK)
Calculate how much income tax you owe on UK rental income. Accounts for allowable expenses, your personal allowance, and 2024/25 tax bands.
Pension Annual Allowance Checker
Check a simple 2026/27 UK pension annual-allowance planning figure, including the stated taper thresholds and an entered carry-forward amount.
Adjusted Net Income Threshold Explorer
Estimate adjusted net income, Personal Allowance taper, Child Benefit charge and distance from the £60,000 and £100,000 UK thresholds.
Self-Employed Tax Set-Aside Planner
Estimate a monthly UK tax reserve, Class 4 NI, balancing payment and January and July payments-on-account cash targets for 2026/27.
Taxable Savings Interest Calculator
Estimate 2026/27 UK tax on taxable savings interest using the selected tax band and Personal Savings Allowance; ISA interest is excluded.
Self Assessment Tax Payment Calendar
Plan an entered Self Assessment tax bill, balancing payment and payments on account across the next 31 January and 31 July deadlines.
Self-Employed Records & Deadline Checklist
A local-only UK checklist for self-employed records, tax-profit forecasting and the recurring 5 October, 31 October, 31 January and 31 July Self Assessment cycle.