Sri Lanka tax calculators for Y/A 2025/2026
12 free tools, no account, nothing leaves your browser.
Income tax, PAYE/APIT, capital gains, WHT, rent, gratuity, dividends and more. Each one answers a single question with the same rules a full TaxWise return uses, so the number here is the number you'd see inside.
12 standalone tools. No account needed.
Each calculator runs one question in isolation. When you're ready, the same figures slot straight into a full return.
- Most popularIncome tax (IIT)Estimate your annual liability across salary, freelance, interest and investment income — with 2025/2026 reliefs applied.Open calculatorBecomes part of your full return
- MonthlyPAYE / APITCompute monthly APIT for a salary, plus one-off bonus / lump-sum withholding (APIT Table 2). For employers and employees double-checking the payslip.Open calculatorBecomes part of your full return
- Y/A 2025/2026Capital gainsInvestment gains on listed and unlisted securities. Holding-period rules per §11A.Open calculatorBecomes part of your full return
- QuickWHT on paymentsSub-contractor 5%, rent 10%, interest 10% AIT, services 5%. Pick the payment type, get the rate and the form.Open calculatorBecomes part of your full return
- Self-employedQuarterly installmentIf you're self-employed: estimate your Q1–Q4 installments based on prior-year liability or current-year forecast.Open calculatorBecomes part of your full return
- On exitETF / GratuityStepped concessionary rates on terminal benefits. For employees leaving service.Open calculatorBecomes part of your full return
- LandlordsRent income25% standard deduction on gross rent, plus actual expenses if better. For landlords with one or more properties.Open calculatorBecomes part of your full return
- Cross-borderForeign income & DTAConvert foreign-currency receipts at CBSL rates and apply the right tax credit under the Sri Lanka–UK / US / Singapore DTAs.Open calculatorBecomes part of your full return
- For businessesVATOutput VAT vs. input VAT, threshold check (Rs. 60M / quarter), schedule-by-schedule.Open calculatorBecomes part of your full return
- Final taxDividend WHT15% withholding on dividends from a resident company — a final tax, not reconciled or refunded.Open calculatorBecomes part of your full return
- CreditableBank interest & AIT10% Advance Income Tax withheld on deposit interest — creditable against your return, not a final tax.Open calculatorBecomes part of your full return
- EligibilityAIT self-declaration checkAre you eligible to stop the 10% AIT on bank interest? Check against the Rs. 1.8M relief threshold.Open calculatorBecomes part of your full return
Estimate your 2025/2026 tax in 30 seconds
Change any figure and watch your tax build up slab by slab. Nothing you type leaves this page.
Your employer takes APIT each month. Filing a return is how other income and reliefs get counted.
Worked out with the TaxWise engine: rent less the 25% upkeep allowance, Rs 1,800,000 personal relief, solar up to Rs 600,000, slabs 6% to 36%, capital gains at 10% outside the slabs. Ignores APIT and AIT already withheld.
- ✓ Nothing leaves your browser
- ✓ Y/A 2025/2026 rules
- ✓ No account, no email
- ✓ Single-question tools, full return when you're ready
Free calculators. Full return in TaxWise.
These tools answer one question at a time. TaxWise brings all your income together, applies every relief, and prepares cage-by-cage schedules for you to submit on the IRD e-Filing portal.
Results follow the Inland Revenue Act and the 2025 Amendment for Y/A 2025/2026 but are not tax advice. Rounding, missing inputs and simplified assumptions can change the final figure. Only a return you submit to the IRD counts.
Get filing-ready for 2025/2026.
Your first estimate in about a minute. Free for salary and bank interest. No card needed.