All UK Tax & Finance Calculators
20+ free tools updated for the 2025/26 tax year. No sign-up required — just enter your numbers and get instant results.
Tax Calculators
Calculate income tax, National Insurance, and other UK taxes.
Salary & Tax Calculator
Calculate your take-home pay after income tax, National Insurance, and student loan deductions. Supports England/Wales/NI and Scotland tax bands.
Open calculator →Dividend Tax Calculator
Calculate dividend tax on your share income, with the £500 allowance and rates of 8.75%, 33.75%, and 39.35%.
Open calculator →Capital Gains Tax Calculator
Calculate CGT on shares, crypto, and property with the £3,000 annual exempt amount and rates of 10-24%.
Open calculator →Self-Employed Tax Calculator
Calculate income tax, Class 2 NI, Class 4 NI, and payments on account for sole traders and freelancers.
Open calculator →National Insurance Calculator
Calculate National Insurance for employed and self-employed. Employee Class 1 (8%/2%), employer NI (15%), and self-employed Class 2 + 4.
Open calculator →IR35 / Contractor Tax Calculator
Compare take-home pay inside vs outside IR35. See the tax impact of contractor status on your income.
Open calculator →Savings Tax Calculator
Calculate tax on savings interest with the Personal Savings Allowance — £1,000 for basic rate, £500 for higher rate taxpayers.
Open calculator →Inheritance Tax Calculator
Calculate IHT on an estate with the £325,000 nil rate band, £175,000 residence nil rate band, and spouse transferable allowances.
Open calculator →Property Calculators
Tools for mortgage payments, stamp duty, and affordability.
Mortgage Calculator
Calculate monthly mortgage repayments for repayment and interest-only mortgages at different interest rates and terms.
Open calculator →Stamp Duty Calculator
Calculate SDLT (England), LBTT (Scotland), or LTT (Wales) on your property purchase. Includes first-time buyer relief and additional property surcharges.
Open calculator →Mortgage Affordability Calculator
Find out how much you can borrow based on your salary and outgoings, using standard 4.5x income multipliers and stress tests.
Open calculator →Planning & Savings
Plan your pension, salary sacrifice, student loan, and more.
Pension Tax Relief Calculator
Calculate pension tax relief on your contributions. See basic and higher rate relief, Annual Allowance check, and effective cost per £1 saved.
Open calculator →Salary Sacrifice Calculator
Calculate how much you save with salary sacrifice for pension, childcare, Cycle to Work, or electric car. See NI and tax savings.
Open calculator →Student Loan Repayment Calculator
Calculate student loan repayments for Plan 1, 2, 4, 5, and Postgraduate. See monthly payments, years to repay, and write-off dates.
Open calculator →Marriage Allowance Calculator
Check Marriage Allowance eligibility and calculate your tax saving. Transfer £1,260 of Personal Allowance to save up to £252/year.
Open calculator →Child Benefit Calculator
Calculate Child Benefit payments and the High Income Child Benefit Charge. See if you're affected by the £60K clawback threshold.
Open calculator →ISA Calculator
Project ISA growth over time with the £20,000 annual allowance. Compare Cash ISA, Stocks & Shares ISA, and Lifetime ISA options.
Open calculator →Employer Cost Calculator
Calculate the true cost of hiring someone in the UK — salary, employer NI (15%), pension auto-enrollment, and other on-costs.
Open calculator →Reference Tools
Quick-reference salary conversion and pay breakdowns.
Take Home Pay Calculator
See your monthly, weekly, and daily take-home pay after tax and NI. Focused on what you actually receive in your bank account.
Open calculator →Hourly Rate to Salary Calculator
Convert hourly pay to annual salary and see take-home pay. Based on 37.5 hours/week with full tax and NI breakdown.
Open calculator →UK Income Percentile
See where your income ranks compared to the rest of the UK population, from the 1st to the 99th percentile.
Open calculator →UK Tax Calendar 2025/26
Key HMRC dates and deadlines throughout the tax year — Self Assessment, PAYE, VAT, and more.
Open calculator →Compare UK Tax Calculators
See how UKCalc compares to other UK tax calculator sites on features, accuracy, and ease of use.
Open calculator →About these calculators
All calculators on UKCalc use official HMRC rates and thresholds for the 2025/26 tax year (6 April 2025 to 5 April 2026). They are designed to give you quick, accurate estimates for common UK tax and finance calculations.
Whether you are checking your salary after tax, working out mortgage repayments, calculating stamp duty on a property purchase, or planning pension contributions, these tools provide instant answers without needing to sign up or share any personal data.
For personalised financial advice, always consult a qualified financial advisor. These calculators are for informational purposes only.