Salary Sacrifice Calculator UK 2026/27

What is salary sacrifice and how does it save you money?

Salary sacrifice is an arrangement between you and your employer where you agree to give up a portion of your gross salary in exchange for a non-cash benefit. The most common benefits funded through salary sacrifice are pension contributions, cycle to work schemes, and electric vehicle leases. The key difference between salary sacrifice and simply paying for something out of your own pocket is when the deduction happens. With salary sacrifice, your pay is reduced before income tax and National Insurance are calculated. That means HMRC never sees the sacrificed amount as earnings, so you never pay tax or NI on it. The result is that the benefit costs you less in real terms than it would if you paid for it from your net pay.

To understand why this matters, it helps to know how UK tax works in 2026/27. The personal allowance remains frozen at £12,570, which means you pay no tax on the first £12,570 you earn. After that, income between £12,571 and £50,270 is taxed at the basic rate of 20%. Income between £50,271 and £125,140 is taxed at the higher rate of 40%. Anything above £125,140 is taxed at the additional rate of 45%. On top of income tax, you also pay National Insurance contributions at 8% on earnings between £12,570 and £50,270, and 2% on earnings above £50,270. When you sacrifice part of your salary, you avoid both the income tax and the NI on that amount. For a basic rate taxpayer, that is a combined saving of 28% on every pound sacrificed. For a higher rate taxpayer, the saving can reach 42%.

Which schemes qualify for salary sacrifice?

The three most common salary sacrifice schemes in the UK are pension contributions, cycle to work, and electric vehicle leasing. Pension salary sacrifice is by far the most widespread. Instead of your pension contribution being deducted from your net pay with basic rate tax relief added back by your provider, your employer reduces your gross salary and pays the equivalent directly into your pension. This saves you the NI that you would otherwise still have to pay under the relief at source method. Cycle to work allows you to get a new bike and accessories through monthly salary deductions over 12 or 18 months, with the full tax and NI saving applied to each payment. Electric vehicle salary sacrifice has become extremely popular since the government set the Benefit in Kind rate for zero emission cars at just 2% for 2026/27. Your employer leases the car and you pay for it from pre-tax salary, saving both income tax and NI on the lease cost. The only additional charge is the small BIK tax on the car itself.

Worked example: £40,000 salary with £200/month pension sacrifice

Take someone earning £40,000 per year who decides to sacrifice £200 per month (£2,400 per year) into their workplace pension. Without the sacrifice, their annual income tax bill on £40,000 would be £5,486 (20% on £27,430 of taxable income above the personal allowance). Their annual National Insurance would be £2,194 (8% on £27,430 between £12,570 and £40,000). That gives a monthly take-home of around £2,693.

After sacrificing £200 per month, their gross salary drops to £37,600. Income tax is now calculated on £25,030 of taxable income, giving an annual tax bill of £5,006. National Insurance is now 8% on £25,030, giving an annual NI bill of £2,002. Monthly take-home becomes around £2,549. The drop in take-home pay is £144 per month, but £200 per month is going into their pension. The £56 difference each month is the combined tax and NI saving: £40 in income tax (20% of £200) and £16 in NI (8% of £200). Over a full year, that is £672 in savings. Put another way, it costs this person £144 from their take-home to get £200 into their pension every month. That is an immediate 28% return on every pound sacrificed, before any investment growth is applied.

Who benefits most from salary sacrifice?

Salary sacrifice is valuable for almost anyone who pays income tax, but some groups benefit more than others. Higher rate taxpayers saving 42% on every pound sacrificed get the largest percentage saving. People earning between £100,000 and £125,140 benefit enormously because salary sacrifice can restore their tapered personal allowance, effectively giving them a 60% marginal saving plus NI. Basic rate taxpayers still benefit meaningfully because the 8% NI saving is money they would lose entirely under the relief at source method. Parents and carers who receive child benefit can also use salary sacrifice to bring their adjusted net income below £60,000, which preserves the full child benefit entitlement (worth up to £2,212 per year for two children). Anyone approaching retirement age who wants to maximise pension contributions while minimising the hit to monthly cash flow will also find salary sacrifice particularly efficient, since the effective cost from take-home is always less than the amount that ends up in the pension or benefit.

Salary sacrifice pension calculator

If you are searching for a salary sacrifice pension calculator, the tool above does exactly what you need. Enter your gross salary, select the pension tab, and choose either a percentage or fixed monthly amount. The calculator instantly shows you how much income tax and National Insurance you save, what your take-home pay looks like before and after the sacrifice, and what the effective cost of your pension contribution actually is from your net pay. It also projects your pension pot growth over 10 years at 5% annual returns, factoring in any employer match. This is the most accurate way to see whether increasing your pension sacrifice is worth it for your specific salary and tax position. Basic rate taxpayers, higher rate taxpayers, and those in the personal allowance taper zone will each see different savings because the tool applies the correct marginal rates to your exact income.

Salary sacrifice calculator and HMRC rules for 2026/27

This calculator is fully updated for the 2026/27 tax year using current HMRC rules and thresholds. The personal allowance remains at £12,570, the basic rate band runs to £50,270, and National Insurance rates are 8% and 2% as confirmed by HMRC for April 2026 onwards. HMRC rules state that salary sacrifice must be a genuine contractual change to your terms of employment. It cannot be used to reduce your pay below the National Minimum Wage, and your employer must provide a formal agreement before the arrangement begins. Once in place, most salary sacrifice arrangements are fixed for the agreed period (typically 12 months for cycle to work, the lease term for EVs, and ongoing until changed for pensions). The calculator accounts for all these rules and will not allow impossible scenarios. If you need to check your employer's specific scheme terms, speak to your HR department or payroll team. For HMRC's official guidance on salary sacrifice, refer to Employment Income Manual EIM42750.

The calculator below shows your exact figures. Enter your salary, select a scheme, and see your before-and-after take-home pay in real time.

What is salary sacrifice?

Salary sacrifice (sometimes called salary exchange) is an arrangement where you agree to reduce your gross salary in exchange for a non-cash benefit — typically a pension contribution, a bike through Cycle to Work, or an electric vehicle lease. Your employer adjusts your contract so that your pay is reduced before tax and National Insurance are calculated.

The key advantage over simply paying from your net salary is the National Insurance saving. Because your contractual pay is reduced before NI is calculated, you pay less NI on the sacrificed amount. With relief at source pensions, you get income tax relief back, but you still pay full NI. Salary sacrifice saves both tax and NI — making it the most tax-efficient way to fund workplace benefits.

For 2026/27, basic rate taxpayers save 28% (20% income tax + 8% NI) on every pound sacrificed. Higher rate taxpayers save up to 42% (40% tax + 2% NI above £50,270). Your employer also saves 13.8% employer NI on the sacrificed amount — many employers pass this on as an additional pension contribution, effectively giving you free money.

Salary sacrifice cannot reduce your pay below the National Minimum Wage. It may also affect certain state benefits that are calculated on earnings, such as Statutory Maternity Pay, Statutory Sick Pay, and contribution-based Jobseeker’s Allowance. Most employers offer a “pay protection” clause to revert your salary if your circumstances change.

Read more: How to budget your salary in the UK | Best budgeting apps UK 2026

Salary sacrifice pension calculator

Pension salary sacrifice is the most common form of salary exchange in the UK. Instead of contributing to your pension from your net pay (where you get income tax relief but still pay NI), your employer reduces your gross salary and pays the equivalent directly into your pension.

Why pension sacrifice saves more than relief at source

With relief at source (the default for most auto-enrolment pensions), your pension provider reclaims basic rate tax (20%) on your contributions. Higher rate taxpayers claim back the extra 20% via self-assessment. But you still pay full National Insurance on your salary before the contribution is deducted.

With salary sacrifice, because your gross pay is reduced first, you save both income tax and NI. For a basic rate taxpayer, that’s an extra 8% saving. For higher rate taxpayers earning above £50,270, the additional NI saving is 2% — but the income tax saving jumps to 40%, making the total effective saving up to 42%.

Example: £35,000 salary with 5% pension sacrifice

On a £35,000 annual salary, sacrificing 5% (£1,750) to your pension saves £350 in income tax and £140 in NI — a total saving of £490 per year. Your take-home pay only reduces by £105 per month, but £145.83 goes into your pension. If your employer matches at 3%, that’s an extra £52.50 per month of free money.

Use the calculator above to see your exact figures. NHS staff on tiered pension contributions can also use our NHS pay calculator to see take-home pay by band and spine point.

Related: How to budget a £35,000 salary | Budgeting on £50,000

Salary sacrifice is particularly valuable for junior doctors, solicitors and civil servants with NHS or public sector pension schemes.

Cycle to work salary sacrifice calculator

The Cycle to Work scheme lets you get a new bike and accessories through salary sacrifice, saving between 28% and 42% depending on your tax band. Your employer purchases the bike and you “hire” it through monthly salary deductions, typically over 12 or 18 months.

The standard Cycle to Work scheme caps at £1,000, but many employers now offer enhanced schemes (through providers like Cycle Solutions or Green Commute Initiative) that allow bikes up to £5,000 or more — covering electric bikes and high-end road bikes.

At the end of the hire period, you can usually buy the bike for a small residual value (typically 3–7% for bikes over £500). A basic rate taxpayer getting a £1,000 bike saves £280 in tax and NI, making the effective cost just £720. Higher rate taxpayers save even more.

Related: Track all your recurring payments with earmarkIQ

Electric car salary sacrifice calculator UK

Electric vehicle (EV) salary sacrifice has become one of the most popular employee benefits in the UK thanks to the ultra-low Benefit in Kind (BIK) tax rate. For 2026/27, zero-emission vehicles attract just 2% BIK — compared to up to 37% for petrol or diesel cars.

With EV salary sacrifice, your employer leases an electric car and you pay for it through pre-tax salary deductions. You save both income tax and National Insurance on the lease payments. The only additional cost is the BIK tax, which on a £35,000 EV is just £700 per year (2% of P11D value) before applying your tax rate.

For a higher rate taxpayer leasing an EV at £450 per month, the annual tax and NI saving on the lease payments can exceed £2,200. After subtracting the BIK tax cost, the net saving vs leasing privately is typically £1,500–£2,000 per year. Many schemes also include insurance, maintenance, and breakdown cover in the monthly cost.

Related: Budgeting on £60,000 | Civil servant budgeting guide

2026/27 UK tax rates and thresholds

This calculator uses the following HMRC rates and thresholds for the 2026/27 tax year (6 April 2026 to 5 April 2027). These are the rates applied to salary sacrifice calculations throughout this tool.

Personal allowance is reduced by £1 for every £2 of income above £100,000, creating an effective 60% marginal tax rate between £100,000 and £125,140. Salary sacrifice above £100,000 is particularly valuable as it can restore your personal allowance.

Related: Budgeting on £80,000 | Solicitor salary guide | Junior doctor budgeting

Which salary sacrifice scheme is right for me?

How much does salary sacrifice save on NI?

National Insurance savings are the biggest advantage of salary sacrifice over other arrangements like relief at source. Because your contractual gross pay is reduced before NI is calculated, you avoid paying employee NI on the sacrificed amount entirely.

For 2026/27, the employee NI rates are 8% on earnings between £12,570 and £50,270, and 2% on earnings above £50,270. If you sacrifice £200 per month from a £35,000 salary, you save £16 per month in NI alone (£200 × 8%) — that’s £192 per year on top of your income tax saving.

Your employer also saves 13.8% employer NI on every pound you sacrifice. Many employers pass some or all of this saving on as an additional pension contribution. On that same £200/month sacrifice, your employer saves £27.60/month — ask whether they’ll add it to your pension pot.

For higher earners above £50,270, the NI saving drops to 2% on the portion above the Upper Earnings Limit, but the income tax saving increases to 40%. Between £100,000 and £125,140, salary sacrifice is especially powerful because it can restore your tapered personal allowance, effectively saving you 60% marginal tax plus NI.

Use the calculator above to see your exact NI saving based on your salary and sacrifice amount.

Salary sacrifice calculator Scotland

If you live in Scotland, your income tax rates and bands are different from the rest of the UK, but salary sacrifice still works — and can save you even more. Scotland has six income tax bands for 2026/27, compared to three in England, Wales, and Northern Ireland.

Scottish income tax rates for 2026/27: 19% starter rate (£12,571–£14,876), 20% basic rate (£14,877–£26,561), 21% intermediate rate (£26,562–£43,662), 42% higher rate (£43,663–£75,000), 45% advanced rate (£75,001–£125,140), and 48% top rate (above £125,140).

National Insurance rates are the same across the whole UK — 8% between £12,570 and £50,270, and 2% above. So Scottish taxpayers in the intermediate band (21%) save 29% on salary sacrifice (21% tax + 8% NI), while those in the Scottish higher band (42%) save up to 44% (42% + 2%).

This calculator currently uses rUK (rest of UK) tax bands. If you’re in Scotland, the NI savings shown are accurate, and you can use a custom tax code to adjust your personal allowance. For a full Scottish income tax breakdown, see our UK salary budgeting guide.

Is salary sacrifice worth it in 2026/27?

Yes — for most UK employees, salary sacrifice is worth it in 2026/27. The frozen tax thresholds (personal allowance stuck at £12,570 since 2021) mean fiscal drag is pushing more people into higher tax bands, making salary sacrifice more valuable than ever.

For pension contributions: Salary sacrifice is almost always worth it. Basic rate taxpayers save 28% (20% tax + 8% NI) vs 20% with relief at source. Higher rate taxpayers save up to 42%. If your employer passes on their NI saving as extra pension contributions, the benefit is even larger.

For cycle to work: Worth it if you need a new bike. You get a 28–42% effective discount depending on your tax band, and the monthly salary deductions are spread over 12–18 months, making it affordable.

For electric vehicles: Extremely worth it in 2026/27. The 2% BIK rate for zero-emission vehicles makes EV salary sacrifice one of the best employee benefits available. A higher rate taxpayer can save £1,500–£2,000 per year vs a personal lease.

The main considerations are: salary sacrifice reduces your contractual gross pay, which may affect mortgage affordability assessments, statutory benefits (maternity pay, sick pay), and state pension if your pay drops below the NI Lower Earnings Limit (£6,396). For most earners above £20,000, these risks are minimal and the tax savings outweigh them.

Track your salary sacrifice savings automatically with earmarkIQ — it detects sacrifice deductions in your payslip and shows you exactly what you’re saving each month.