United Kingdom calculator

Tax Calculator United Kingdom - 2025-2026

Our free tax calculator helps you make informed financial decisions in United Kingdom. Whether you are planning your budget, evaluating a loan, or projecting investment growth, our calculator provides accurate results based on United Kingdom specific rates and regulations.

At a Glance

How much Income Tax will I pay in United Kingdom for 2025-2026?

Your Income Tax in United Kingdom is calculated using the Personal Allowance of £12,570 and progressive rates of 20%, 40%, and 45%. Use our free tax calculator to estimate your tax liability for 2025-2026 with accurate PAYE and National Insurance calculations.

Quick Answer

How are income taxes calculated in United Kingdom?

Income Tax in United Kingdom is calculated using the Personal Allowance of £12,570 and three progressive brackets: 20% basic rate (income £12,571-£50,270), 40% higher rate (£50,271-£125,140), and 45% additional rate (over £125,140). Taxes are collected through the PAYE system by your employer, with the correct tax code applied. Self-employed individuals pay through Self Assessment. Various reliefs, including Marriage Allowance, pension contributions (tax relief at source), and Gift Aid donations, can reduce your taxable income.

Tax Calculator

Calculates income tax using progressive tax brackets

Inputs

Annual Income

Deductions

Filing Status

Tax Year

Results

Tax Summary

Gross Income£80,000.00

Taxable Income£65,400.00

Total Tax£13,591.40

Effective Tax Rate16.99%

Marginal Tax Rate40.00%

Tax Brackets

0.00% (£0.00 - £12,570.00)£0.00

20.00% (£12,571.00 - £50,270.00)£7,539.80

40.00% (£50,271.00 - £65,400.00)£6,051.60

How to Use the Tax Calculator

Follow these simple steps to get accurate results in just a few clicks.

1
Enter your gross annual income
Input your total taxable income for 2025-2026 in £, including salary, self-employment profits, rental income, and investment returns.
2
Adjust for your Personal Allowance
The £12,570 Personal Allowance is applied automatically. Adjust if you earn over £100,000 (where the allowance tapers) or have transferred Marriage Allowance.
3
Add pension contributions
Enter workplace or personal pension contributions. HMRC adds basic rate tax relief at source, and higher rate taxpayers claim additional relief through Self Assessment.
4
Include other income sources
Add dividend income (taxed at 8.75%/33.75%/39.35% above £500 allowance), savings interest, or rental income.
5
Review your tax calculation
View your Income Tax bands, NICs, effective tax rate, and take-home amount for 2025-2026. The breakdown shows each bracket contribution.

United Kingdom Income Tax Calculator

Estimate your income tax liability for 2025-2026 in United Kingdom. Enter your income, deductions, and filing status to get an accurate tax estimate.

Tax Brackets and Rates in United Kingdom

United Kingdom tax brackets for 2025-2026 range from basic rate to top marginal rate. Our calculator applies progressive taxation with applicable deductions and credits.

Frequently Asked Questions

What is the Personal Allowance for 2025-2026 in United Kingdom?

The standard Personal Allowance for 2025-2026 is £12,570. You pay no Income Tax on earnings up to this amount. The allowance is reduced by £1 for every £2 of income over £100,000, meaning you lose the full allowance above £125,140.

What are the Income Tax bands and rates for 2025-2026?

For 2025-2026: 0% on £0-£12,570 (Personal Allowance), 20% basic rate on £12,571-£50,270, 40% higher rate on £50,271-£125,140, and 45% additional rate above £125,140. Your effective tax rate depends on your total taxable income after all allowances.

How does Marriage Allowance work in United Kingdom?

Marriage Allowance lets the lower-earning spouse transfer 10% of their unused Personal Allowance (£1,260 for 2025-2026) to their partner, potentially saving up to £252 in Income Tax. To qualify, the lower earner must have income below the Personal Allowance threshold.

What tax-advantaged accounts are available in United Kingdom?

Key tax-advantaged accounts include: ISA (tax-free savings, £20,000 annual limit), SIPP (pension with tax relief at your marginal rate), Lifetime ISA (for first homes or retirement, £4,000 annual limit with 25% government bonus), and Premium Bonds (tax-free prizes).

How is rental income taxed in United Kingdom?

Rental income is taxed at your marginal Income Tax rate (20/40/45%). You can deduct allowable expenses including letting agent fees, repairs, insurance, and mortgage interest (at basic rate only). Property income must be reported on a Self Assessment tax return.

Do I need to file a Self Assessment tax return in United Kingdom?

You need to file a Self Assessment if you are self-employed (profit over £1,000), earn over £100,000, receive rental income, have savings interest over £10,000, owe Capital Gains Tax, or need to claim certain expenses. The deadline is 31 January following the tax year.

How does Capital Gains Tax work in United Kingdom?

Capital Gains Tax in 2025-2026 applies to profits from selling assets like shares (above £3,000 annual allowance) and second homes. Rates are 10% (basic rate) or 20% (higher rate) for most assets, and 18%/24% for residential property. Your main home is exempt under Private Residence Relief.

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Last Updated: June 2026 — Reviewed Against Official Sources

Official Sources

United Kingdom calculators use data from the following official government agencies:

HM Revenue & Customs (HMRC) — Income tax bands, National Insurance rates, and pension allowances.
Office for National Statistics (ONS) — UK earnings data, CPI inflation, and economic statistics.
MoneyHelper (UK) — Pension guidance, mortgage advice, and financial literacy resources.

Methodology

Our UK calculators use tax bands, National Insurance rates, and contribution limits published by HMRC. Salary and economic data comes from the Office for National Statistics (ONS). Mortgage calculations use average UK interest rates and may vary by lender and individual circumstances. All figures are for educational purposes.

Data Sources

All tax brackets, contribution rates, and economic data used in our calculators are sourced from the official government publications listed above. Rates are updated at least annually to reflect the latest tax year and regulatory changes. Users should verify critical figures with official sources or qualified professionals.

Last updated: June 2026. Information may change; always verify with official sources.