Self-Employed Tax Calculator
Tick if profits are below £6,725 and you want to maintain a year of State Pension credits. Class 2 is no longer compulsory.
2026/27 · Class 4 NIC 6%/2% · Class 2 voluntary only · Pension contributions extend basic-rate band (relief at source) · Scotland uses Scottish income tax rates · Class 4 NI is UK-wide