Quick answers to the tax questions you have right now.

Estimate your annual liability across salary, freelance, interest and investment income — with 2025/2026 reliefs applied.

Compute monthly APIT for a salary and standard EPF deduction. For employers and employees double-checking the payslip.

Investment gains on listed and unlisted securities. Holding-period rules per §11A.

Sub-contractor 5%, rent 10%, interest 5%, services 14%. Pick the payment type, get the rate and the form.

If you're self-employed: estimate your Q1–Q4 installments based on prior-year liability or current-year forecast.

Stepped concessionary rates on terminal benefits. For employees leaving service.

25% standard deduction on gross rent, plus actual expenses if better. For landlords with one or more properties.

Convert foreign-currency receipts at CBSL rates and apply the right tax credit under the Sri Lanka–UK / US / Singapore DTAs.

Output VAT vs. input VAT, threshold check (Rs. 60M / quarter), schedule-by-schedule.