Employer cost calculator UK (2026/27)
Use this employer cost calculator UK page to turn a headline salary into a real employer budget. It shows salary cost to employer with employer NI, auto-enrolment pension, optional overheads and Employment Allowance, plus a direct comparison with 2024/25 so you can measure the April 2025 NI change.
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Full breakdown
| Item | Annual |
|---|---|
| Gross salary | £87,750 |
| Employer NI (gross) | £12,412 |
| Employment Allowance used | −£0 |
| Employer NI due | £12,412 |
| Pension contribution | £1,321 |
| Overheads | £0 |
| Total employer cost | £101,483 |
Employer NI bands
| Earnings band | Rate | NI |
|---|---|---|
| Up to £5,000 | 0% | £0 |
| Above £5,000 | 15% | £12,412 |
| Total | £12,412 |
This hire costs you £12,412 in employer National Insurance. Some employers can legitimately reduce that — through Employment Allowance, a reduced employer-NI category, or salary sacrifice. The free two-minute check shows what may apply to your figures.
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Ready to run payroll for this hire? Sage Payroll handles RTI submissions, auto-enrolment and payslips. HMRC-recognised and built for UK small businesses.
Try Sage Payroll free →Affiliate link. We may earn a commission if you sign up, at no extra cost to you.
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Employing someone on £35,000 costs about £40,400 a year once you add 15% employer NI above £5,000 and a 3% pension — enter any salary above for your exact figure.
Three steps to your employer cost estimate
Employer cost calculator 2026/27 — what it calculates
This calculator computes the true employer cost of any UK salary for the 2026/27 tax year. Enter a gross salary and it instantly calculates employer National Insurance at 15% above the £5,000 secondary threshold, auto-enrolment pension on qualifying earnings, and optional overheads — giving you an annual and monthly total.
Employment Allowance can be applied to offset up to £10,500 of the employer NI liability — eligible businesses can toggle this in the inputs to see their net cost after the allowance.
April 2025 NI rise — what changed
From 6 April 2025 the employer NI rate increased from 13.8% to 15% and the secondary threshold was cut from £9,100 to £5,000. This dual change raised employer NI at almost every salary level — the comparison figure shown below the breakdown reflects this year-on-year increase.
Employer NI has no upper cap, unlike employee contributions which drop to 2% above £50,270. Reduced rates apply for employees under 21 and apprentices under 25. For pension-only checks, use the auto enrolment payroll costs calculator.
See pre-calculated totals at every salary level on the employer cost by salary hub, or check NI-only figures on the employer NI calculator. For pension alone, use the auto-enrolment cost calculator.
Frequently asked questions
Tools worth considering
UK payroll and HR tools. Editorial summary only, not endorsements.
Cloud payroll bundled with Xero accounting. Handles RTI submissions, auto-enrolment and payslip generation. Commonly used by UK small businesses already on Xero for bookkeeping.
See Xero Payroll →Payroll add-on for QuickBooks. Used by UK small employers for PAYE, NI, pension and HMRC RTI. Integrates with QuickBooks accounting.
See QuickBooks Payroll →UK payroll software that can be used on its own, without Sage's accounting software. Check current plans and prices on Sage's site.
See Sage Payroll →Affiliate link. We may earn a commission if you sign up, at no extra cost to you.
HR and payroll platform used by growing UK teams. Combines contracts, onboarding, leave management and payroll in one system. HMRC RTI integrated.
See Employment Hero →Written and reviewed by the EmployerCalculator team.
Every figure is checked against current HMRC and GOV.UK guidance and reviewed for the 2026/27 tax year. The calculators were last checked on (how we check). We explain the numbers in plain English with worked examples. Editorial standards · About us