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VAT Calculator Sri Lanka
Add VAT to a net amount, or extract VAT from a VAT-inclusive amount, at the current Sri Lankan rate. Results update instantly as you type.
Your amount
LKR
* This calculator uses the standard Sri Lankan VAT rate of 18%.
Result
VAT Amount
Rs. 0.00
Total Amount (VAT-inclusive)
Rs. 0.00
How it works: Adding VAT: VAT = net × 18% and gross = net + VAT. Removing VAT: VAT = gross − (gross ÷ 1.18).
Free VAT Tax Invoice Format
Issue IRD-compliant VAT invoices in minutes — an Excel template with auto invoice numbering, compliance checks and the amount in words.
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Please note: rates are maintained by JAY Business Solutions and are updated when IRD or Budget changes take effect
(last update: 2026-10-05). This tool provides an estimate for guidance only; confirm your specific
position with a qualified adviser before making decisions.