United Kingdom · Tax years 2024–2026
UK Self-Employment Tax Calculator
Estimate selected UK Income Tax and National Insurance inputs for self-employed individuals.
Educational tool: This is an educational estimate, not filing software or professional advice. It does not by itself establish eligibility, residence, liability, or a filing obligation.
Introduction
Purpose
Estimate selected UK Income Tax and National Insurance inputs for self-employed individuals.
Scope
United Kingdom
Assumptions
Applies entered profit and other income to the selected year's maintained UK Income Tax and National Insurance bands, then reports the components.
Limitations
It does not prepare a Self Assessment return or include every allowance, relief, or exception.
Tax period
Tax years 2024–2026
Interactive calculator
Complete the calculation when JavaScript is enabled. The calculation stays interactive on this page, and no account is required.