Tax Estimator

UK sole trader tax calculator — 2025/26 (pre-filled from your demo data)

Gross income (£)

Allowable expenses (£)

Other taxable income (e.g. employment) (£)

Student loan plan

Personal Allowance: £12,570

Taxable profit

£15,375.00

Effective rate

5.9%

Total tax due

£908.70

Put aside monthly

£75.72

Income tax bands

Basic rate (20%): £561.00

Income tax£561.00

Class 2 NI£179.40

Class 4 NI£168.30