Sri Lanka income tax estimator
Estimate annual progressive income tax using your verified brackets. Your inputs stay in this browser tab.
Illustrative rates, not a current tax table. Enter the brackets and relief verified with IRD for your tax year. The monthly estimate is not the official APIT deduction method.
Your result
A little input. A useful result.
Your result will appear here.How to use sri lanka income tax estimator
Estimate annual progressive income tax using your verified brackets. This free tool runs locally after you choose to start.
- Enter your own values, or start with the visible example.
- Adjust annual assessable income (lkr), annual relief / allowance (lkr), cumulative taxable-income ceiling,rate (%) per line; final ceiling is * as needed.
- Choose the action button. Review the result, then copy text or download a file when available.
- Choose Clear all when finished to remove inputs and results from the interface.
Limits, without the small print.
Configurable arithmetic, not official tax or payroll advice. Current Sri Lanka tax tables were not verifiable in this environment. Enter rates and relief confirmed with IRD for your tax year. The example brackets are illustrative, not a published Sri Lanka schedule.
One job runs at a time. You can cancel it; jobs stop after 30 seconds. Browser and device capabilities affect performance.
Understand the safeguards →A couple of useful answers.
Does sri lanka income tax estimator upload my data?
No. This tool processes your input in a browser worker. Your text and files are not sent to an application server. The static host receives page and asset requests; see our privacy explanation.
Is this tool free for work and study?
Yes. No account, paid API, usage subscription or watermark fee is required. You remain responsible for your content rights and checking results. Hosting providers and their free tiers are separate from this open-source software.
What should I check before relying on the result?
Configurable arithmetic, not official tax or payroll advice. Current Sri Lanka tax tables were not verifiable in this environment. Enter rates and relief confirmed with IRD for your tax year. The example brackets are illustrative, not a published Sri Lanka schedule. Review important outputs against the source, especially financial, legal, identity, medical and research calculations.