Is the inside ir35 calculator financial advice?
No. PayBreakdown pages are planning routes and calculator entry points only. Use official sources, employer documents, lender information, or a qualified adviser before making important decisions.
PayBreakdown - Salary Calculator & Budget Manager
Inside IR35 calculator
Estimate inside IR35 contractor pay using day-rate, deemed employment, PAYE-style deductions, pension, and umbrella-style assumptions.
What this page helps with
Inside IR35 searches are high-intent because contractors want to compare day-rate income with employee-style deductions. This page is a specialist landing route for inside IR35 and off-payroll working pay scenarios.
Official sources
Income Tax rates and Personal AllowancesNational Insurance rates and categoriesStudent loan repayment thresholdsPension tax reliefNational Minimum Wage and National Living Wage ratesStatutory Maternity Pay and LeaveStatutory Sick PayFCA guidance on misleading financial promotionsOff-payroll working and IR35 guidanceUnderstanding off-payroll workingSalary sacrifice for employersNHS Employers pay scales 2026/27NHS Health Careers Agenda for Change pay ratesFrequently asked questions
Can I adjust the assumptions?
Yes. The related calculators let you change salary, tax, pension, student loan, budget, mortgage, loan, or debt assumptions where the current tool supports them.
Last updated 2026-05-07. Planning estimates only. Not financial advice.