lankacalculator.com

Income Tax Calculator

Income Tax Calculator Sri Lanka

Estimate annual income tax with a simpler workflow focused on personal income, tax relief, and monthly tax equivalent.

Personal reliefLKR 1,800,000
Total reliefLKR 1,800,000
Monthly tax equivalentLKR 18,500
Annual ordinary incomeLKR 3,600,000
Ordinary taxable incomeLKR 1,800,000
Annual taxLKR 222,000
Net monthly equivalentLKR 281,500
BandTaxable amountRateTax
0 - 1,000,000LKR 1,000,0006%LKR 60,000
1,000,000 - 1,500,000LKR 500,00018%LKR 90,000
1,500,000 - 2,000,000LKR 300,00024%LKR 72,000
Capital gains taxLKR 010%LKR 0
Qualifying foreign income taxLKR 015%LKR 0
Total annual tax-6% effectiveLKR 222,000

FAQ

Are these calculators free?

Yes. lankacalculator tools are free to use and designed to be quick to access without sign-up.

How accurate are the results?

The calculators use clear assumptions and formulas, but results are estimates and should be checked against official documents or provider terms.

Can I use this on mobile?

Yes. The layout is built to work cleanly on phones, tablets, and desktops.

Do you store my inputs?

No account is required for these tools, and calculator inputs are not stored as user profiles in this v1 setup.