TAX & SALARY
UK tax and salary calculators
High-intent calculators for take-home pay, net-to-gross salary, tax codes, NI and salary-side deductions. The strongest pages stay grouped here so users can move from one payroll question to the next without starting over.
Editorial standard
This category follows the current UK tax-year ruleset and keeps source links, last-reviewed dates and related calculators visible on the strongest pages.
Apprentice wage calculator
Estimate minimum gross pay using age, apprenticeship year and weekly hours.
Open calculator →LiveCompany car tax
Benefit-in-kind charge on a company vehicle
Open calculator →LiveContractor day rate
Rate, utilisation and annual equivalent
Open calculator →LiveEmergency tax
Temporary and emergency PAYE treatment
Open calculator →LiveFour-day week salary calculator
Compare salary and hourly value when moving from five days to four.
Open calculator →LiveGift Aid calculator
Gross up a donation and estimate additional higher-rate relief.
Open calculator →LiveHigh Income Child Benefit Charge calculator
Estimate the Child Benefit charge using adjusted net income.
Open calculator →LiveMaternity and paternity pay calculator
Estimate statutory maternity or paternity pay from average weekly earnings.
Open calculator →LiveNational Insurance
Employee Class 1 National Insurance by salary and region
Open calculator →LiveNet to gross salary
Gross salary needed for a target net pay
Open calculator →LivePay rise calculator
Net value of a salary increase
Open calculator →LivePay rise vs inflation calculator
Compare a gross pay rise with inflation and estimate the real-terms change.
Open calculator →LivePension tax relief calculator
See relief at source, gross contribution and potential higher-rate reclaim.
Open calculator →LivePostgraduate loan
Payroll deduction for postgraduate loan repayments
Open calculator →LiveRedundancy pay
Statutory redundancy pay from age, service and weekly pay
Open calculator →LiveSalary after promotion calculator
Compare current and promoted salary before deductions.
Open calculator →LiveSalary sacrifice
Net cost of workplace pension contributions
Open calculator →LiveSide hustle tax calculator
Estimate taxable side-income profit after expenses or the £1,000 trading allowance.
Open calculator →LiveStatutory maternity pay
Maternity pay from average weekly earnings and weeks
Open calculator →LiveStatutory Sick Pay calculator
Estimate SSP under the rules applying to sickness starting from 6 April 2026.
Open calculator →LiveStudent loan deductions
Plans 1, 2, 4, 5 and Postgraduate Loan
Open calculator →LiveTake-home pay
Income Tax, National Insurance, pension and student loans
Open calculator →LiveTapered annual allowance calculator
Estimate the tapered pension annual allowance from threshold and adjusted income.
Open calculator →LiveTax code checker
Explain common UK PAYE tax codes
Open calculator →LiveTax credits estimator
Legacy Working Tax Credit, Child Tax Credit and UC transition
Open calculator →LiveTax rebate estimator
Compare estimated liability with tax already paid
Open calculator →LiveTax-Free Childcare
Top-up and childcare support estimate
Open calculator →LiveTwo jobs tax
Tax and allowances across two employments
Open calculator →LiveUmbrella take-home
Convert assignment income into estimated payslip net
Open calculator →Clear status, no empty promises
Live tools are usable now. In-development tools are the next calculation engines being implemented. Planned tools are part of the category scope but are not presented as working calculators.
Why this category matters
Users arrive here when they want a quick answer for a real decision. The live calculators and deep links below are arranged so the strongest intent stays closest to the result instead of being buried in a long list.