TaxReturn.lk calculator

Individual income tax calculator.

Preparing your Sri Lanka 2025/2026 income tax return? The filing deadline is 30 November 2026. Use this calculator to review your income, reliefs, special rates and tax credits before filing.

Year setting: Select YA 2025/2026 for the return due on 30 November 2026, or YA 2026/2027 for the current assessment year. Confirm the applicable Year of Assessment and current Inland Revenue Department guidance before relying on any result.

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Taxpayer information

Optional details are included in your printable report.

Employment income
Business and professional income
Investment income
Foreign-source income
Other taxable and separately taxed income
Reliefs and deductions
Tax credits and payments

Final withholding taxes are not entered as credits unless the relevant law permits a credit.

Important accuracy note

This is an estimate based on the rates and relief limits configured for YA 2026/2027. Special-rate eligibility, effective dates, exemptions, withholding treatment and other qualifying payments require supporting records and legal verification.

It does not replace professional tax advice, an official Inland Revenue Department assessment, or filing obligations.