Sri Lanka Income Tax — Frequently Asked Questions

What is the income tax rate in Sri Lanka? Sri Lanka's personal income tax rate ranges up to 36% for the 2026 tax year, based on our estimated model.

What currency is tax calculated in? Sri Lanka calculates and pays tax in LKR (₨).

When is the filing deadline? The typical deadline is 31 July, though this can vary by filer type.

Is this calculator's result exact? No — it's an estimate based on a simplified model of Sri Lanka's tax brackets, intended for planning purposes. Your actual liability depends on deductions, credits, residency status, and other factors not captured here.

Where can I find official rates? Always cross-check with Sri Lanka's national tax authority website for the current, legally binding tax year figures.