# Pay rise calculator: how much of it will I keep?

URL: https://computenow.co.uk/compare-salaries/

> Got a pay rise? Compare your old and new salary after Income Tax, National Insurance, pension and student loan, and see what you keep each month.

This calculator shows a worked example below. To use your own figures, add them to the URL as query parameters (listed in https://computenow.co.uk/llms.txt), for example https://computenow.co.uk/compare-salaries/?<parameter>=<value>.

[What's Left, step 1 of 7: What will I take home?](https://computenow.co.uk/money-plan/#steps)

# Compare two salaries

Put two salaries side by side to see how much more you would really take home.
2026/27 tax yearEngland, Wales and Northern IrelandRates checked 18 October 2026
By the ComputeNow team, checked against GOV.UK and HMRC[Sources (3)](#sources)[How we calculate](https://computenow.co.uk/methodology/)

Salary B gives you
£420.00
more a month after tax, or £5,040 a year.

## Side by side

| Item | £35,000 | £42,000 |
| --- | --- | --- |
| Income Tax | £4,486.00 | £5,886.00 |
| National Insurance | £1,794.40 | £2,354.40 |
| Take-home a month | £2,393.30 | £2,813.30 |
| Take-home a year | £28,719.60 | £33,759.60 |

This is an estimate. Your payslip can be a little different because of how your employer rounds figures or when deductions are taken. We've assumed 2026/27 rates for England, Wales and Northern Ireland, a standard tax code, no pension and no student loan; change these under More options.

### Next steps

- [Take-home pay calculator](https://computenow.co.uk/take-home-pay/?salary=42000)See salary B in full and add it to What's Left.
[What's Left](https://computenow.co.uk/money-plan/) adds up your monthly figures from each calculator and shows what is left each month.
[Salary B gives you £420.00 Breakdown](#result)

## Why your payslip might differ

Your payslip can be different from this if:

- your tax code isn't 1257L (check the code on your payslip);
- you pay into a pension or repay a student loan (add them under More options);
- you started or changed job this tax year, and you're on an emergency code;
- this month included a bonus or overtime;
- you have more than one job;
- you live in Scotland, where the tax rates are different.
For hours or pay, ask your payroll team. For a tax code, ask HMRC. [Why is my pay different this month?](https://computenow.co.uk/guides/why-is-my-pay-different-this-month/)

## Why a £7,000 rise is worth £5,040

Both salaries sit in the basic-rate band, so each extra pound loses 20p to Income Tax and 8p to National Insurance. Of the £7,000 difference, £5,040 reaches you.
Above £50,270 the deductions rise to 42p in the pound, so rises there are worth less. Between £100,000 and £125,140 you also lose Personal Allowance, so each extra pound keeps only 38p.

## Related calculators

[Take-home pay calculator Your pay after Income Tax and NI](https://computenow.co.uk/take-home-pay/)[Required salary calculator The salary you need for a take-home target](https://computenow.co.uk/required-salary-calculator/)[Compare tax years See how this year differs from last](https://computenow.co.uk/compare-tax-years/)

## Guides and help

### Our guides

[What you keep from a pay rise in 2026/27 Take-home from every extra £1,000, salary by salary](https://computenow.co.uk/guides/what-you-keep-from-a-pay-rise-2026-27/)[How Income Tax bands work in 2026/27 Personal Allowance, basic, higher and additional rate](https://computenow.co.uk/guides/income-tax-bands-2026-27/)[The 60% tax trap Why income over £100,000 is taxed at 60%, and what to do](https://computenow.co.uk/guides/60-percent-tax-trap/)

### Official services and free advice

[Check your Income Tax for this year GOV.UK: your tax code and pay so far](https://www.gov.uk/check-income-tax-current-year)[Salary sacrifice GOV.UK: how it changes tax and NI](https://www.gov.uk/guidance/salary-sacrifice-and-the-effects-on-paye)

## Sources

Each source was last checked on 18 October 2026.

- [GOV.UK: Rates and thresholds for employers 2026 to 2027](https://www.gov.uk/guidance/rates-and-thresholds-for-employers-2026-to-2027)
- [GOV.UK: Income Tax rates and Personal Allowances](https://www.gov.uk/income-tax-rates)
- [GOV.UK: National Insurance rates and categories](https://www.gov.uk/national-insurance-rates-letters)
These results are an estimate, not financial advice. They use the 2026/27 rates in force on 24 October 2026 and the inputs shown, so your actual tax, pay or costs may differ. Before making a decision about your money, check the figures with HMRC or your provider, or speak to a regulated financial adviser. Free, impartial guidance is available from MoneyHelper.
This page explains the rules using the 2026/27 rates in force on 24 October 2026. It is general information, not financial advice. For decisions about your own money, speak to a regulated financial adviser, or get free, impartial guidance from MoneyHelper.