About Employers Calculators

Employers Calculators is a free library of UK payroll and employment calculators for small-business owners, payroll and HR staff, accountants, and employees checking their own entitlements.

UK payroll rules change every April. Our aim is simple: for every common payroll question — What does this employee actually cost me? How much SSP do I owe? What is the pro rata salary for this part-time role? — there should be one fast, accurate, clearly sourced calculator.

Every calculator on this site runs on the official HMRC rates and thresholds for the 2026/27 tax year, and every figure is traceable to a GOV.UK source. There is no sign-up, no paywall and no data collection — the maths runs in your browser.

Every calculator and guide is reviewed by our editorial team against primary GOV.UK and HMRC sources before publication. Figures are re-verified at the start of each tax year and after any mid-year rate changes. Our full verification process is described on the methodology page.

The site also covers public-sector pay scales — NHS Agenda for Change bands (England, Scotland, Wales), teachers’ STPCD pay ranges and police pay under the Police Regulations — each sourced from the relevant government body and updated when new pay awards are confirmed.