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  1. Tools
  3. Income tax
Numbers.lkSri Lanka in Numbers

Reporting

  • News
  • Analysis
  • Explainers
  • Write-ups

Trackers

  • Exchange Rates
  • Inflation
  • Internet Speeds

Tools

  • All Tools
  • Income Tax
  • Loan Installment
  • Electricity
  • Water
  • WHT
  • Speed Test

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Sri Lanka in numbers, context, and plain English.

Tools

Income Tax

IIT 2025/26

Simple (one amount) or advanced (full wizard). Same breakdown.

Simple mode
Fast
No wizard. Type one income figure and tax is calculated on this page — the same results screen as Advanced, without the earlier steps.
Advanced mode
Full return
Step through tax year, each income source, and qualifying payments. Ends on the same results page, with a complete breakdown.