How the wages calculator works and what it includes
This wages calculator gives you a complete picture of your take-home pay in the 2026 tax year. I have built it to handle the four main deductions that reduce your gross salary: Income Tax, National Insurance contributions, Student Loan repayments, and workplace pension contributions. By entering your annual salary and choosing a few options, you get an instant breakdown showing exactly where your money goes.
The calculation starts with your gross annual salary. From that, I first subtract your pension contribution, because most workplace pensions operate on a "relief at source" or "net pay" basis, which means your pension payments reduce your taxable income. The default is set at 5%, matching the standard auto-enrolment employee contribution, but you can adjust this to reflect your actual arrangement.
Next, I work out your Income Tax. The calculator applies the 2026 tax bands for England, Wales, and Northern Ireland. You receive a tax-free Personal Allowance of £12,570, and the remaining income is taxed at 20% (basic rate), 40% (higher rate), and 45% (additional rate) in the relevant bands. If your income exceeds £100,000, the calculator automatically tapers your Personal Allowance, reducing it by £1 for every £2 above that threshold.
National Insurance is calculated separately from Income Tax. You pay 8% on earnings between £12,570 and £50,270, and 2% on anything above £50,270. These are the Class 1 employee rates that apply if you are employed under PAYE.
If you have a Student Loan, I apply the correct repayment threshold and rate for your plan. Plans 1, 2, 4, and 5 all charge 9% on income above their respective thresholds, while Postgraduate Loans charge 6%. The repayment only kicks in once your income exceeds the threshold, so lower earners will not see any deduction.
Finally, the calculator presents your results in annual, monthly, and weekly figures, along with your effective and marginal tax rates. The effective rate tells you the actual percentage of your total salary going to Income Tax, while the marginal rate shows the tax charged on your next pound of earnings. This is particularly useful if you are considering overtime, a pay rise, or switching jobs, because it reveals the real impact on your pocket.
All figures are based on HMRC rates published for the 2026 tax year. I update the calculator whenever the government announces changes to thresholds or rates, so the numbers you see here always reflect current legislation. Scottish taxpayers should note that Scotland uses different Income Tax bands, which this calculator does not cover.
Income Tax bands and rates explained for 2026
Understanding how Income Tax works is essential for making sense of your payslip. The UK uses a progressive tax system, which means different portions of your income are taxed at different rates. Let me walk you through each band for the 2026 tax year.
The first £12,570 of your income is your Personal Allowance, and you pay no tax on this amount at all. Think of it as the government's way of ensuring a basic level of income remains untaxed. This threshold has been frozen at £12,570 since 2021, a policy known as fiscal drag, which means more people are pulled into higher tax bands as wages rise.
Above the Personal Allowance, the basic rate of 20% applies to income from £12,571 up to £50,270. This is the band where most UK earners sit. If you earn £35,000, for example, you pay 20% on £22,430 (the difference between your salary and the Personal Allowance), giving you an Income Tax bill of around £4,486 for the year.
The higher rate of 40% applies to income from £50,271 to £125,140. This is a significant jump, effectively doubling the rate on each additional pound earned in this band. If you earn £60,000, you pay 20% on the first £37,700 of taxable income and 40% on the remaining £9,730.
The additional rate of 45% applies to income above £125,140. This is the highest rate of Income Tax in England, Wales, and Northern Ireland. Only around 1% of taxpayers fall into this bracket.
There is also a hidden tax trap between £100,000 and £125,140. In this range, your Personal Allowance is gradually withdrawn at a rate of £1 for every £2 of income above £100,000. The practical effect is an effective marginal tax rate of 60% on income within this band, because you lose your allowance at the same time as paying 40% tax. This is one of the quirks of the UK tax system that catches many people off guard.
Marriage Allowance can also affect your tax position. If you are married or in a civil partnership and one of you earns less than the Personal Allowance, you may be able to transfer up to £1,260 of unused allowance to the higher earner, saving up to £252 per year. This calculator does not apply Marriage Allowance automatically, but it is worth considering separately.
Remember that these rates apply to England, Wales, and Northern Ireland. Scotland has its own set of Income Tax bands with starter, intermediate, and advanced rates that differ from the rest of the UK. If you are a Scottish taxpayer, you will need a Scotland-specific calculator for accurate results.
National Insurance contributions breakdown
National Insurance is the second-largest deduction from most people's pay, yet it is often less well understood than Income Tax. Here is how it works for employees in the 2026 tax year.
As an employee, you pay Class 1 National Insurance contributions. These are deducted automatically through PAYE, just like Income Tax. The rates are straightforward: you pay nothing on the first £12,570 of annual earnings (the Primary Threshold), 8% on earnings between £12,570 and £50,270 (the Upper Earnings Limit), and 2% on everything above £50,270.
Let me put that into a practical example. If you earn £35,000 per year, your NI calculation looks like this: you pay 8% on £22,430 (the amount between £12,570 and £35,000), which comes to £1,794.40 for the year, or about £149.53 per month. Nothing is charged on the first £12,570 because you are below the Primary Threshold on that portion.
For higher earners, the maths shifts. If you earn £70,000, you pay 8% on £37,700 (from £12,570 to £50,270) plus 2% on £19,730 (from £50,270 to £70,000). That totals £3,016 plus £394.60, giving you an annual NI bill of £3,410.60.
It is important to understand that National Insurance is not a tax in the traditional sense, although it functions like one. Your NI contributions build your entitlement to certain state benefits, including the State Pension, Maternity Allowance, and contribution-based Jobseeker's Allowance. You need 35 qualifying years of NI contributions to receive the full new State Pension.
Your employer also pays National Insurance on your behalf, at a rate of 15% on earnings above £5,000 (the Secondary Threshold). This is an additional cost of employment that does not appear on your payslip, but it is worth knowing about because it affects how employers view the total cost of your salary package.
There are some situations where your NI contributions might differ. If you are contracted out of the Additional State Pension (now closed to new members), you might have paid reduced rates historically. If you are over State Pension age, you stop paying employee NI contributions entirely, even if you continue working.
Self-employed individuals pay different NI classes (Class 2 and Class 4), which are not covered by this calculator. If you have both employed and self-employed income, the calculations become more complex and you may wish to speak with an accountant.
One common point of confusion is the difference between the NI threshold and the Income Tax Personal Allowance. Currently both are aligned at £12,570, but they are technically separate policies and could diverge in future. The government aligned them in 2022 to simplify the system, but there is no guarantee they will remain the same.
Student Loans and pension - understanding all deductions
Beyond Income Tax and National Insurance, two other deductions can significantly affect your take-home pay: Student Loan repayments and pension contributions. Let me explain how each one works.
Student Loan repayments are collected through PAYE once your income exceeds a specific threshold. The threshold depends on which plan you are on. Plan 1 (courses started before September 2012 in England and Wales, or Northern Ireland courses) has a threshold of £22,015. Plan 2 (courses started after September 2012 in England and Wales) has a higher threshold of £27,295. Plan 4 covers Scottish students with a threshold of £27,660. Plan 5, introduced for courses starting from August 2023, has a threshold of £25,000. Postgraduate Loans operate separately with a threshold of £21,000.
For Plans 1, 2, 4, and 5, you repay 9% of everything you earn above the threshold. Postgraduate Loans charge 6%. If you are on both a standard plan and a Postgraduate Loan, both repayments apply simultaneously. This calculator handles one plan at a time, so if you have multiple loans, you would need to factor in the additional repayment separately.
A key point about Student Loan repayments is that they are not like a traditional debt payment. You only repay when you earn enough, and the debt is written off after a set period (typically 25 to 40 years depending on your plan). If your income drops below the threshold, repayments stop automatically. This makes Student Loans more like a graduate tax than a conventional loan.
Pension contributions are the other major deduction to consider. Under auto-enrolment, most employees are automatically enrolled into a workplace pension scheme. The minimum total contribution is 8% of qualifying earnings, split between your contribution (at least 5%) and your employer's contribution (at least 3%). Qualifying earnings are those between £6,240 and £50,270, though many employers calculate pension contributions on your full salary for simplicity.
This calculator applies your pension percentage to your full gross salary, which is the most common approach used by employers. If your scheme uses a different basis (such as qualifying earnings only), your actual deduction may differ slightly. The important thing is that pension contributions are deducted before Income Tax is calculated, giving you tax relief at your marginal rate. A basic rate taxpayer effectively gets 20% tax relief, a higher rate taxpayer gets 40%, and an additional rate taxpayer gets 45%.
Increasing your pension contribution is one of the most effective ways to reduce your tax bill while building long-term savings. For example, if you earn £50,000 and increase your pension from 5% to 10%, you save an extra £2,500 into your pension but your take-home pay only drops by around £1,500, because you recoup the difference through tax relief.
Together, these deductions can take a substantial portion of your gross pay. For a typical earner on £35,000 with a Plan 2 Student Loan and 5% pension, total annual deductions including Income Tax and NI come to roughly £9,500 to £10,000, leaving about £25,000 to £25,500 in take-home pay. Use the calculator above to get your exact figures based on your own salary and circumstances.