Free Online Calculators & Tools Sri Lanka No Sign-Ups, 100% Free
Effortless, browser-based utilities for everyday finance, conversions, and more. Get instant answers, no downloads, no ads, no data collection.


Effortless, browser-based utilities for everyday finance, conversions, and more. Get instant answers, no downloads, no ads, no data collection.
Compute severance, gratuity & bonus tax under the latest Inland Revenue Act.
See your net payout instantly—ideal for HR teams, accountants, and salaried employees.
Select Your Tool
Click the calculator you need.
Enter Your Inputs
Provide amounts, dates, or rates—our scripts do the math instantly.
View & Export Results
Copy to clipboard, download a PDF report, or embed in your own site.
Tip: Bookmark your most-used calculator for one-click access next time!
Contact us today for a free consultation and unlock your business’s potential with innovative digital solutions right here in Sri Lanka.