Sri Lanka income tax calculator (2025/2026)
Estimate your annual liability across salary, freelance, interest and investment income — with 2025/2026 reliefs applied.
- Personal relief
- Rs 1.8M
- Slabs
- 6% → 36%
- Interest AIT
- 10%
- Return due
- 30 Nov 2026
Reflects Y/A 2025/2026Reviewed by TaxWiseLast updated 13 June 2026Source: Inland Revenue Act No. 24 of 2017, Inland Revenue (Amendment) Act No. 02 of 2025, Inland Revenue Department
Your year
Deductions · reliefs you can claim
Switch on what applies. Each one comes off before the slabs start.
Tax · slab by slab
Worked out with the TaxWise engine. Ignores APIT your employer already took and WHT on rent or fees; the full return credits those.
This is one piece of your return. See which schedules you file, which reliefs apply, and what the whole year comes to.
Sri Lanka 2025/2026 income tax slabs
On taxable income, after the Rs 1,800,000 personal relief. Your highest rupee lands in the 36% slab.
| Taxable income band | Rate | Tax on band | Running total |
|---|---|---|---|
| First Rs 1,000,000 | 6% | Rs 60,000 | Rs 60,000 |
| Next Rs 500,000 | 18% | Rs 90,000 | Rs 150,000 |
| Next Rs 500,000 | 24% | Rs 120,000 | Rs 270,000 |
| Next Rs 500,000 | 30% | Rs 150,000 | Rs 420,000 |
| Above Rs 2,500,000 ← your top rupee | 36% | 36% of the rest | Rs 420,000 + 36% |
Turn this estimate into IRD-ready schedules
Import salary, rent, dividends, and gains — TaxWise runs the same engine cage-by-cage and exports schedules for your IRD submission. You submit on the IRD e-Filing portal.
- Aggregate every income type with PAYE, WHT, and APIT credits applied
- Schedule 8 special rates, solar QP, and rent relief traced to each cage
- Export Y/A 2025/2026 schedules and follow the IRD filing checklist