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
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 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
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 tax owed on dividends alongside salary, including the £500 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.
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
Calculate your Universal Credit entitlement instantly. Enter your income, rent, children, and household type to get an estimated monthly UC payment.
Child Benefit Calculator
Calculate your Child Benefit entitlement for 2025/26 and see how the High Income Child Benefit Charge affects you if you earn over £60,000.
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.
Federal Income Tax Calculator
Calculate your 2024/2025 US federal income tax, FICA, and take-home pay. Supports all filing statuses and standard or itemised deductions.
Social Security Benefits Calculator
Estimate your Social Security monthly benefit from your earnings history and claiming age. See how claiming at 62 vs waiting until 70 affects lifetime benefits.
Capital Gains Tax Calculator (US)
Calculate US capital gains tax for 2024/2025. Covers short and long-term rates, NIIT, all filing statuses, and optional state tax. See net proceeds after tax.
US Paycheck Calculator
Calculate US take-home pay per paycheck after federal income tax, FICA, state tax, and 401(k). Supports bi-weekly, weekly, semi-monthly, and monthly pay.
Australian Income Tax Calculator
Calculate your 2024/25 Australian income tax using the updated Stage 3 tax cut brackets. Includes Medicare Levy, Medicare Levy Surcharge, and Low Income Tax Offset.
HECS-HELP Repayment Calculator
Calculate your HECS-HELP compulsory repayment amount and how many years until your debt is cleared. Uses 2024/25 repayment thresholds and current CPI indexation rate.
Capital Gains Tax Calculator (Australia)
Calculate your Australian capital gains tax for 2024/25. Includes the 50% CGT discount for assets held over 12 months, all income brackets, and non-resident rates.
Australian Paycheck Calculator
Calculate your Australian take-home pay per fortnight, week, or month. Includes 2024/25 income tax, Medicare Levy, MLS, HECS-HELP repayments, and employer super.
Irish Income Tax Calculator
Calculate your 2024 Irish take-home pay after income tax, USC, and PRSI. Supports single and married filers, includes personal and employee tax credits.
Irish Paycheck Calculator
Calculate your Irish take-home pay per week, fortnight, or month. Includes PAYE income tax, USC, PRSI, and pension contributions using 2024 Revenue rates.
Capital Gains Tax Calculator (Ireland)
Calculate your Irish Capital Gains Tax (CGT) at 33%. Includes the annual €1,270 personal exemption, selling costs, improvement costs, and your net proceeds after tax.
Capital Acquisitions Tax Calculator (Ireland)
Calculate Irish Capital Acquisitions Tax (CAT) on gifts and inheritances. Covers Group A (€335,000), Group B (€32,500), and Group C (€16,250) thresholds at 33%.
Self-Employed Tax Calculator (Ireland)
Calculate Irish self-employed tax: income tax, USC, and Class S PRSI. See your net income, effective rate, and preliminary tax due using 2024 Revenue rates.
Rent Tax Credit Calculator (Ireland)
Calculate your Irish Rent Tax Credit for 2022–2024. Single renters claim up to €750; jointly assessed couples up to €1,500. File via myAccount on Revenue.ie.
Employer Cost Calculator (Ireland)
Calculate the true cost of hiring an employee in Ireland including employer PRSI (8.8% or 11.05%), pension contributions, and other benefits using 2024 Revenue rates.
Universal Social Charge (USC) Calculator
Calculate your Universal Social Charge (USC) for 2024. Band breakdowns: 0.5%, 2%, 4%, and 8%. Includes medical card holders, over-70s, self-employed surcharge.
New Zealand Income Tax Calculator
Calculate your 2024/25 New Zealand income tax using IRD brackets. Includes ACC earner levy (1.60%) and KiwiSaver deductions to show your true take-home pay.
NZ Paycheck Calculator
Calculate your New Zealand take-home pay per week, fortnight, or month. Includes IRD income tax, ACC levy, KiwiSaver, and student loan deductions using 2024/25 IRD rates.
NZ Student Loan Repayment Calculator
Calculate your New Zealand student loan repayment amount and how many years until it’s cleared. Uses the 2024/25 IRD threshold of $22,828 and 12 cent repayment rate.
NZ GST Calculator
Calculate New Zealand GST at 15%. Add GST to an ex-GST price, remove GST from an inclusive price, or find the GST component in a GST-inclusive amount.
NZ Self-Employed Tax Calculator
Calculate your New Zealand self-employed tax including income tax, ACC work levy, and provisional tax. Uses 2024/25 IRD rates for sole traders and contractors.
Working for Families Calculator (NZ)
Calculate your Working for Families (WFF) tax credits for 2024/25. Includes Family Tax Credit, In-Work Tax Credit, and the income abatement from $42,700.
ACC Levy Calculator (NZ)
Calculate your New Zealand ACC earner levy and work levy for 2024/25. Covers employees (earner levy only), self-employed workers, and employers using current ACC rates.
South African Income Tax Calculator
Calculate your 2024/25 South African income tax using SARS brackets. Includes primary/secondary/tertiary rebates, UIF, medical tax credits, and retirement fund deductions.
South African Paycheck Calculator
Calculate your South African take-home pay after SARS income tax, UIF, and pension contributions. Supports monthly, weekly, and fortnightly pay using 2024/25 SARS rates.
UIF Calculator (South Africa)
Calculate South African UIF contributions at 1% for employees and 1% for employers, capped at R17,712/month. See your credits earned and estimated benefit entitlement.
Capital Gains Tax Calculator (South Africa)
Calculate your South African capital gains tax. Includes the R40,000 annual exclusion, 40% inclusion rate, R2 million primary residence exclusion, and 2024/25 SARS brackets.
VAT Calculator (South Africa)
Calculate South African VAT at 15%. Add VAT to an ex-VAT price, remove VAT from an inclusive price, or find the VAT component. Zero-rated and exempt supplies included.
Medical Tax Credit Calculator (South Africa)
Calculate your South African medical tax credits under Section 6A (R364/R246 per member) and Section 6B (excess expenses above 4× MTC). Uses 2024/25 SARS rates.
Provisional Tax Calculator (South Africa)
Calculate your South African provisional tax payments for 2024/25. See your estimated annual tax, first payment due August 31, and second payment due February 28.
Travel Allowance Tax Calculator (South Africa)
Calculate South African travel allowance tax. Uses the 2024/25 SARS rate (464c/km, up to 17,000km) to find your tax-deductible amount and tax on the balance.
Self-Employment Tax Calculator
Calculate your US self-employment tax (Social Security + Medicare) and estimate your Section 199A QBI deduction. Covers the 2024 Social Security wage base of $168,600.
Ontario Income Tax Calculator
Calculate your 2024 Ontario income tax including federal and provincial brackets. Enter your income and RRSP contribution to see your total tax and net take-home pay.
CPP Contributions Calculator
Calculate your 2024 Canada Pension Plan (CPP) contributions including the new CPP2 enhanced tier. See your contribution, employer match, and maximum CPP1 amount.
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.
US State Income Tax Calculator
Calculate your combined federal and state income tax for California, New York, Texas, Florida, and Washington. Uses 2024 IRS brackets and standard deductions.
Medicare Levy & Surcharge Calculator
Calculate your Australian Medicare Levy (2% of income) and Medicare Levy Surcharge (1%–1.5%) if you don't hold private hospital cover. Uses 2024/25 ATO thresholds.
Australian Tax Return Estimator
Estimate your Australian tax return refund or amount owed. Uses 2024/25 ATO tax brackets, Medicare Levy, Low Income Tax Offset, and work expense deductions.
BC Income Tax Calculator
Calculate your 2024 combined federal and BC provincial income tax. Includes RRSP deduction, federal basic personal amount, and all BC tax brackets.
NZ Student Loan Repayment Estimator
Estimate your NZ student loan repayment based on the 2024/25 IRD threshold of $22,828 and 12% repayment rate. See annual and weekly deductions and payoff timeline.
SA Medical Aid Tax Credit Calculator
Calculate your South African Medical Tax Credit (MTC) for 2024/25. Includes the R364 main member credit, R246 per dependant, and the additional expenditure credit for high premiums.
SA Capital Gains Tax Calculator
Estimate South African capital gains tax for individuals and companies. Uses the 40% inclusion rate, R40,000 annual exclusion, and maximum marginal rate for a quick CGT estimate.
SA Retirement Fund Withdrawal Tax Calculator
Calculate tax on South African retirement fund withdrawals. Uses SARS 2024/25 retirement lump sum tables with R550,000 tax-free threshold and resignation/retrenchment tables.