20 UK payroll calculators,
on the 2026-27 rates.
Every tool here works to the current tax year's rates and thresholds, and each one is tested figure by figure against the published statutory rates before it ships. They come from the team behind Moonworkers, HMRC recognised payroll software. No account, no email, no limit on how many times you run them.
Pay, tax and pensions
What lands in the bank account
Take-Home Pay Calculator
Net pay for any UK salary, after tax and National Insurance.
- Income tax, National Insurance and net pay
- England, Scotland, Wales and Northern Ireland bands
- Student loan plans and pension contributions
Director Salary Calculator
The optimum director salary on the annual NI basis.
- Annual earnings period, not per pay period
- Every NI category, with the Employment Allowance
- Take-home alongside the total cost to the company
Tax Code Checker
What a tax code means and the free pay it gives.
- Every UK code explained, K and NT included
- Exact tax-free pay for each pay schedule
- Flags emergency and week 1 month 1 codes
CIS Deduction Calculator
What a contractor deducts from a subcontractor invoice.
- 20%, 30% or nothing, on the labour only
- Materials, plant hire and fuel taken out of the sum
- VAT reverse charge and the net payment either way
Minimum Wage Calculator
The right rate by age, with an employer compliance check.
- Correct rate by age band and apprentice status
- Compliance check across the pay reference period
- Accounts for deductions that pull pay below the rate
Auto-Enrolment Calculator
Assess a worker and work out the minimum contributions.
- Eligible, non-eligible or entitled worker
- 2026-27 earnings trigger and qualifying earnings band
- Minimum employer and worker contributions
Statutory pay
What you pay when someone is off
Statutory Sick Pay Calculator
SSP from the first qualifying day under the 2026 rules.
- Paid from day one, no waiting days
- The lower of £123.25 and 80% of average weekly earnings
- Daily rate for any working pattern, and the 28-week cap
Maternity Pay Calculator
SMP across the full 39 weeks, payslip by payslip.
- 90% of average weekly earnings for the first 6 weeks
- Then £194.32 or 90%, whichever is lower, for 33 weeks
- Qualifying week and earnings test worked out for you
Paternity Pay Calculator
One or two weeks of SPP, with the eligibility tests.
- £194.32 a week, or 90% of average weekly earnings if lower
- Qualifying week and the 26-week employment test
- The earnings check to run before issuing form SPP1
Holiday Pay Calculator
Rolled-up pay and the 52-week average for irregular hours.
- Rolled-up holiday pay at 12.07%
- The 52-week average for casual and variable hours
- Follows the statutory rules for irregular hours workers
Leave entitlement
How much time off, and when
Holiday Entitlement Calculator
Statutory entitlement for joiners, leavers and part-timers.
- Full year, mid-year joiners and leavers
- Any working pattern, including part-time and shifts
- Bank holidays counted inside the entitlement or on top
Maternity Leave Entitlement Calculator
Every date in the 52 weeks, from first day off to first day back.
- A day-one right, so no service or earnings test
- 26 weeks ordinary leave, then 26 weeks additional leave
- Notice deadlines, compulsory leave and the return to work date
Paternity Leave Entitlement Calculator
One or two weeks, together or apart, with the deadline to use them.
- Two separate weeks in Great Britain since April 2024
- The 56-day window that still applies in Northern Ireland
- Notice deadlines and the 26-week employment test
Adoption Leave Entitlement Calculator
The 52 weeks, from the match through to the day back at work.
- A day-one right, so no service or earnings test
- UK placements and children arriving from overseas
- Notice deadlines of 7 days and 28 days, and the start window
Neonatal Care Leave Entitlement Calculator
How many weeks a stay in neonatal care actually earns.
- One week per 7 full continuous days, capped at 12
- The 28-day admission window and the 68-week deadline
- Tier 1 and Tier 2, with the notice each one needs
Parental Bereavement Leave Entitlement Calculator
Two weeks per child, and the notice rule for each of them.
- Two weeks per child, from the first day of employment
- The notice rule that changes after the first 8 weeks
- Northern Ireland miscarriage rules from 6 April 2026
Bereaved Partner's Paternity Leave Calculator
Up to 52 unpaid weeks, shrinking as the year runs out.
- For deaths on or after 6 April 2026
- Runs backwards from the end of the child’s first year
- The 2-week short version when the death comes late
When someone leaves
The final payslip
Redundancy Pay Calculator
Statutory redundancy pay, year by year and band by band.
- Half, one or one and a half weeks per year by age
- The 2026-27 caps for Great Britain and Northern Ireland
- What is free of tax and what is not
Notice Period and Garden Leave Calculator
How much notice, and the exact day the employment ends.
- One week per complete year, capped at 12
- Notice runs from the day after it is given, not the day itself
- The deadline for requiring holiday during the notice
Holiday Pay on Termination Calculator
What the untaken holiday balance is worth on the last payslip.
- Regulation 14, accrued less taken to the last day
- The 52-week average where the pay varies
- What happens when more holiday was taken than accrued
Stop running these by hand every month
These calculators answer one question at a time. Moonworkers applies the same rules to every employee on every payrun, submits your RTI on time and produces compliant payslips, so sick pay, maternity pay and pension contributions are worked out before you think to check them.