Calculators & Tools
Free calculators for UK sole traders based on the 2026/27 tax year.
Income & Take-home
Self-employed Tax Calculator
Income Tax and NI from profit; optional PAYE income for combined bands.
Take-home Pay Calculator
Factor in student loans and pension contributions.
Day Rate to Annual Income
Convert your daily rate to an annual gross estimate.
Hourly Rate to Annual Income
Convert your hourly rate to an annual gross estimate.
Weekly Tax Set-aside
How much to save each week for your tax bill.
Scotland vs England/Wales tax
Compare Income Tax on the same sole-trader profit.
Pension tax relief
Estimate Income Tax saved from pension contributions.