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VAT Calculator Sri Lanka (18%)
Output VAT vs. input VAT, threshold check (Rs. 60M / quarter), schedule-by-schedule.
- 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 Department
Calculator
VAT estimate
Standard rate 18%. Registration threshold Rs. 60,000,000 per quarter.
Taxable supplies (quarter)Rs 5,000,000
Rs 0Rs 100,000,000
Input VAT creditRs 450,000
Rs 0Rs 5,000,000
Quarterly turnover (for threshold)Rs 40,000,000
Rs 0Rs 120,000,000
Result
Rs 450,000
Net VAT payable
Output VATRs. 900,000
Registration requiredNo
Schedule-by-schedule VAT return not modelled. Zero-rated and exempt supplies excluded.
This is one piece of your return. See which schedules you file, which reliefs apply, and what the whole year comes to.
Filing open now
From VAT estimate to registered preparation
Track turnover against the Rs. 60M/quarter threshold; full schedule-by-schedule VAT return is on the product roadmap. You submit on the IRD e-Filing portal.
Start my returnReturn for Y/A 2025/2026 due 30 November 2026
In TaxWise
- Registration threshold monitoring from your turnover data
- IIT and business income in the same workspace today
- VAT return schedules — coming soon
This calculator: Output minus input for one period. No schedules or registration workflow yet.
Frequently asked questions
18%, in effect since 1 January 2024, on registered goods, services and imports.
Divide the gross amount by 1.18 to get the net; the difference is the VAT component.
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Estimator disclaimerResults 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.