UK Income Tax Calculator 2025-26
Calculate your income tax, National Insurance, and take-home pay for England, Wales, Northern Ireland, or Scotland.
Annual Take-Home Pay
£0
Monthly
£0
Weekly
£0
Personal Allowance Used
£0
Income Tax Breakdown
National Insurance
£0
Total Deductions
£0
How UK Income Tax Works
Income tax is the single largest source of government revenue in the United Kingdom, raising over £250 billion each year. It applies to virtually every form of income: employment wages, self-employment profits, rental income, pensions, and most investment returns. Her Majesty's Revenue and Customs (HMRC) administers the system, which operates on a progressive basis -- meaning the more you earn, the higher the rate applied to each additional pound.
Most employees never file a tax return because their employer deducts tax at source through Pay As You Earn (PAYE). Under PAYE, your employer applies a tax code issued by HMRC that accounts for your Personal Allowance and any adjustments, then sends the correct amount of income tax and National Insurance directly to HMRC each pay period. You can check whether your tax code is correct on your payslip or your HMRC online account.
If you are self-employed, a company director, a landlord with rental income above £1,000, or you earn more than £150,000 per year, you must file a Self Assessment tax return. The Self Assessment deadline is 31 January following the end of the tax year (which runs from 6 April to 5 April). Late filing attracts an automatic £100 penalty, with additional daily penalties if you delay beyond three months. Understanding your tax liability in advance -- using a tool like this calculator alongside our salary calculator -- helps you budget for any Self Assessment bill and avoid surprises.
The UK tax year is unique globally in starting on 6 April, a quirk dating back to the 1752 calendar reform. For 2025/26, the tax year runs from 6 April 2025 to 5 April 2026. All thresholds, allowances, and band limits described on this page apply to this period.
2025/26 Tax Bands and Rates
The UK uses a progressive tax structure. You do not pay the higher rate on your entire income -- only on the portion that falls within each band. The first £12,570 is covered by the Personal Allowance and is tax-free for the vast majority of taxpayers. Beyond that, rates step up through Basic, Higher, and Additional Rate bands.
England, Wales and Northern Ireland
| Band | Taxable Income | Rate |
|---|---|---|
| Personal Allowance | Up to £12,570 | 0% |
| Basic Rate | £12,571 – £50,270 | 20% |
| Higher Rate | £50,271 – £125,140 | 40% |
| Additional Rate | Over £125,140 | 45% |
Scotland
The Scottish Parliament sets its own income tax rates and bands for Scottish taxpayers. Scotland uses six bands, producing a more graduated progression. The Personal Allowance remains £12,570 UK-wide.
| Band | Taxable Income | Rate |
|---|---|---|
| Personal Allowance | Up to £12,570 | 0% |
| Starter Rate | £12,571 – £14,876 | 19% |
| Basic Rate | £14,877 – £26,561 | 20% |
| Intermediate Rate | £26,562 – £43,662 | 21% |
| Higher Rate | £43,663 – £75,000 | 42% |
| Advanced Rate | £75,001 – £125,140 | 45% |
| Top Rate | Over £125,140 | 48% |
Note that the Personal Allowance taper still applies UK-wide: for every £2 you earn above £100,000, your Personal Allowance is reduced by £1. This means the allowance is fully withdrawn at £125,140, creating an effective 60% marginal tax rate in the £100,000 to £125,140 income band (40% income tax plus the 20% effective rate from losing the allowance). This hidden tax trap catches many higher earners by surprise.
Key Terms
Personal Allowance
The amount of income you can earn each tax year before any income tax is due. For 2025/26, the standard Personal Allowance is £12,570. It has been frozen at this level since 2021/22 and is scheduled to remain frozen until at least April 2028. If your total income exceeds £100,000, the allowance tapers away, reaching zero at £125,140.
National Insurance (NI)
A separate payroll deduction that funds the State Pension, NHS, and unemployment benefits. Employees pay Class 1 NI; the self-employed pay Class 2 and Class 4. NI rates are set by Westminster and apply uniformly across England, Wales, Scotland, and Northern Ireland. Use our National Insurance calculator for a detailed NI breakdown.
PAYE (Pay As You Earn)
The system through which employers deduct income tax and NI from employees' wages before paying them. HMRC assigns each employee a tax code that tells the employer how much Personal Allowance to apply. If your tax code is wrong -- for example, after a job change or receiving a company benefit -- you could overpay or underpay tax throughout the year.
Self Assessment
The process for reporting income that is not taxed through PAYE. You must register for Self Assessment if you are self-employed, earn over £150,000, receive rental income above £1,000, or have other untaxed income. The online filing deadline is 31 January after the tax year ends, and you must pay any tax owed by the same date.
Marriage Allowance
If one partner earns below the Personal Allowance and the other is a basic-rate taxpayer, the lower earner can transfer up to £1,260 of their unused allowance. This reduces the higher earner's tax bill by up to £252 per year. You can backdate a claim by up to four years.
Blind Person's Allowance
An additional tax-free allowance of £3,070 (2025/26) available to individuals registered as blind or severely sight impaired. Unlike the standard Personal Allowance, the Blind Person's Allowance is not subject to the £100,000 income taper and can be transferred to a spouse or civil partner if not fully used.
Income Tax vs. National Insurance
Both income tax and National Insurance are deducted from your pay, but they work differently and fund different things. Income tax is a general tax that funds all government spending, while NI is ring-fenced for the State Pension, NHS, and contributory benefits. Understanding both is essential for calculating your true take-home pay. Here is how the two compare for employed earners in 2025/26:
| Feature | Income Tax | National Insurance (Employee) |
|---|---|---|
| Tax-free threshold | £12,570 (Personal Allowance) | £12,570 (Primary Threshold) |
| Main rate | 20% (Basic Rate) | 8% |
| Upper rate | 40% above £50,270 | 2% above £50,270 |
| Top rate | 45% above £125,140 | 2% (no further increase) |
| Varies by UK nation? | Yes (Scotland sets own rates) | No (same UK-wide) |
| Applies to pension income? | Yes | No |
| Employer also pays? | No | Yes (13.8% employer NI) |
Combined, a basic-rate taxpayer earning between £12,570 and £50,270 faces a marginal rate of 28% (20% income tax + 8% NI). A higher-rate taxpayer between £50,271 and £125,140 faces 42% (40% + 2%). In the £100,000 to £125,140 taper zone, the effective rate spikes to 62% (60% effective income tax + 2% NI). For a full NI breakdown, use our National Insurance calculator.
Practical Examples
Example 1: £30,000 Salary (England)
- Personal Allowance: £12,570 (tax-free)
- Taxable income: £30,000 − £12,570 = £17,430
- Income tax: £17,430 × 20% = £3,486
- National Insurance: (£30,000 − £12,570) × 8% = £17,430 × 8% = £1,394.40
- Total deductions: £3,486 + £1,394.40 = £4,880.40
- Take-home pay: £25,120/year (£2,093/month)
This is typical for a mid-career administrative or retail role. The effective tax rate is about 16.3%.
Example 2: £55,000 Salary (England)
- Personal Allowance: £12,570 (tax-free)
- Taxable income: £55,000 − £12,570 = £42,430
- Basic Rate: £37,700 × 20% = £7,540
- Higher Rate: (£42,430 − £37,700) × 40% = £4,730 × 40% = £1,892
- Total income tax: £7,540 + £1,892 = £9,432
- NI: (£50,270 − £12,570) × 8% + (£55,000 − £50,270) × 2% = £3,016 + £94.60 = £3,110.60
- Total deductions: £9,432 + £3,110.60 = £12,542.60
- Take-home pay: £42,457/year (£3,538/month)
At £55,000 you cross into the Higher Rate band. Only the £4,730 above £50,270 is taxed at 40% -- a common misconception is that the entire salary would be taxed at the higher rate. Use our salary calculator to see a full monthly breakdown.
Example 3: £110,000 Salary (England)
- Personal Allowance reduced: £12,570 − (£110,000 − £100,000) / 2 = £12,570 − £5,000 = £7,570
- Taxable income: £110,000 − £7,570 = £102,430
- Basic Rate: £37,700 × 20% = £7,540
- Higher Rate: (£102,430 − £37,700) × 40% = £64,730 × 40% = £25,892
- Total income tax: £7,540 + £25,892 = £33,432
- NI: £3,016 + (£110,000 − £50,270) × 2% = £3,016 + £1,194.60 = £4,210.60
- Total deductions: £33,432 + £4,210.60 = £37,642.60
- Take-home pay: £72,357/year (£6,030/month)
Notice the Personal Allowance taper at work: the £10,000 above £100,000 costs £5,000 in lost allowance, which effectively adds £2,000 of extra tax (£5,000 × 40%). This makes the marginal rate on income between £100,000 and £125,140 effectively 60% before NI. Many earners in this bracket use pension contributions to bring their adjusted income below £100,000.
Tax-Saving Strategies
While you must pay the tax you owe, there are several legitimate ways to reduce your income tax bill or keep more of your earnings:
Pension Contributions
Contributions to a workplace or personal pension receive tax relief at your marginal rate. A basic-rate taxpayer putting £80 into a pension effectively contributes £100 (the provider claims the £20 tax relief). Higher-rate taxpayers can claim an additional 20% through Self Assessment. For earners in the £100,000-£125,140 taper zone, pension contributions are exceptionally tax-efficient because they restore the Personal Allowance. Use our pension calculator to model retirement projections.
ISA (Individual Savings Account)
ISAs shelter up to £20,000 per year from income tax and capital gains tax. While ISA contributions are not tax-deductible (they come from post-tax income), all interest, dividends, and growth within the ISA are completely tax-free. Over time, this can save thousands in tax, especially for higher-rate taxpayers whose savings interest would otherwise be taxed at 40%.
Salary Sacrifice
Salary sacrifice arrangements let you exchange part of your gross salary for benefits such as enhanced pension contributions, cycle-to-work schemes, electric car leases, or childcare vouchers. Because the sacrificed amount is not treated as salary, you save both income tax and National Insurance on it. For example, sacrificing £5,000 into a pension saves a basic-rate taxpayer £1,400 (20% income tax + 8% NI).
Gift Aid
When you donate to charity through Gift Aid, the charity claims 25p for every £1 you give. If you are a higher-rate taxpayer, you can also claim the difference between the higher rate (40%) and basic rate (20%) through Self Assessment. A £1,000 Gift Aid donation costs a higher-rate taxpayer just £600 after all relief is claimed.
Marriage Allowance
If your partner earns below the Personal Allowance (£12,570) and you are a basic-rate taxpayer, they can transfer £1,260 of unused allowance to you, saving up to £252 per year. This is often overlooked -- HMRC estimates millions of eligible couples have not claimed. You can backdate the claim for up to four years, potentially saving over £1,000 in total.
Property Allowance and Trading Allowance
Each tax year, you can earn up to £1,000 from property (e.g., renting a room) and £1,000 from trading (e.g., selling items online) without reporting it to HMRC. If your side income is modest, these allowances can eliminate paperwork entirely. For larger property portfolios, explore our UK mortgage calculator and stamp duty calculator to understand the full cost of property investment.
Tax Year 2025/26 Changes
The most significant development for 2025/26 is the continued freeze on income tax thresholds. The Personal Allowance (£12,570), Basic Rate band ceiling (£50,270), and Higher Rate threshold have been frozen since 2021/22 and will remain unchanged until at least April 2028. Because wages have risen with inflation while thresholds have not, millions of workers have been pulled into higher tax bands -- a phenomenon known as "fiscal drag" or "stealth taxation." The Office for Budget Responsibility estimates that the threshold freeze will bring an additional 3.2 million people into the higher-rate bracket by 2028 compared to what would have happened if thresholds had risen with inflation.
Employee National Insurance remains at 8% (main rate) and 2% (upper rate) for 2025/26, following the cut from 10% to 8% in April 2024. However, employer NI rose to 15% from April 2025 (up from 13.8%), and the employer NI threshold was lowered to £5,000 (from £9,100). While this does not directly reduce your payslip, it increases the cost of employment and may influence future pay rises.
Scottish income tax bands have remained stable for 2025/26, with the six-band structure continuing. The Advanced Rate (45%) and Top Rate (48%) continue to set Scotland apart from the rest of the UK. Scottish taxpayers earning above £28,867 pay more income tax than equivalent earners in England, though the NI rates are the same.
The dividend allowance has been reduced to £500 (down from £1,000 in 2023/24 and £2,000 in 2022/23), and the capital gains tax annual exempt amount remains at £3,000. These reductions particularly affect investors and business owners who receive income through dividends rather than salary.
This calculator is for informational purposes only and does not constitute financial, tax, or legal advice. Tax rules are complex and subject to change. Always consult a qualified accountant, tax adviser, or HMRC directly for decisions specific to your situation. HMRC's official guidance at gov.uk should be treated as the definitive source for current tax rates and thresholds.