Nine free calculators and overviews for the self-employed (OSVČ) — income tax, flat-rate tax, VAT, net salary, insurance advances, hourly rate, the VAT turnover tracker, and an overview of deadlines with penalties.
A hub for nine free tools for the self-employed (OSVČ) at taxorio.cz — income tax, flat-rate tax, VAT, net salary, insurance advances, hourly rate, the 2026 overpayment, the VAT turnover tracker, and deadlines with penalties.
Compare the net income of an employee, a self-employed person in the standard regime, and one on flat-rate tax. The calculator accounts for expenses, insurance, credits, plus paid leave, sick pay and the pension impact.
Compare flat-rate tax with the standard tax regime. The calculator shows which option saves you more — for all 3 bands in 2026.
A complete overview of deadlines for the self-employed — income tax, VAT, insurance advances and the penalties for late compliance.