UK Tax Calculators
UK tax calculators for the 2026/27 tax year, covering Income Tax, National Insurance, Capital Gains Tax, Dividend Tax, Student Loan repayments and more. All calculations run in your browser.
Tax year: 2026/27 · Rules and thresholds from HMRC and GOV.UK
Income & salary
UK Income Tax Calculator
Income Tax on your salary or pension for 2026/27, with Personal Allowance and tax band breakdown.
Open →UK Salary Calculator
Gross to net — Income Tax, National Insurance and take-home pay for 2026/27.
Open →National Insurance Calculator
Class 1 employee National Insurance contributions for 2026/27.
Open →Self-Employed NI Calculator
Class 2 and Class 4 National Insurance for self-employed profits in 2026/27.
Open →Investment & property tax
Capital Gains Tax Calculator
CGT on shares and property for 2026/27, including annual exempt amount and rate bands.
Open →Dividend Tax Calculator
Tax on dividend income for 2026/27, including the dividend allowance.
Open →Inheritance Tax Calculator
IHT estimate for 2026/27, including nil-rate band and residence nil-rate band.
Open →Other tax tools
Student Loan Calculator
Student loan repayments for Plan 2, Plan 5 and Plan 4 (Scotland) in 2026/27.
Open →Child Benefit Charge Calculator
High Income Child Benefit Charge (HICBC) for incomes between £50,000 and £60,000 in 2026/27.
Open →Tax guides
How much income tax will I pay?
UK tax bands, Personal Allowance and how PAYE works for 2026/27.
Read →How much National Insurance do I pay?
Class 1 employee NI, thresholds and how contributions work.
Read →UK tax code explained
What 1257L, BR, D0 and K codes mean for your take-home pay.
Read →Tax year 2026/27: All tax calculators use HMRC and GOV.UK rules and thresholds for the 2026/27 tax year (6 April 2026 to 5 April 2027). Rules can change — always check the latest official guidance. Casvia provides educational calculators, not tax advice.