Free online tools for Sri Lanka
Plan your money, studies, health, and everyday numbers with practical tools built around Sri Lankan rules and real local workflows.
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Final Exam Target
Calculate exactly what you need to score on your final exam to achieve an A, B, or pass the module based on your assignment and mid-term marks.
Attendance Tracker
Calculate how many university lectures you can safely skip or need to attend to maintain the strict 80% UGC attendance requirement.
Target GPA Estimator
Calculate the exact GPA you need in your remaining modules to achieve a First Class, Second Upper, or custom target CGPA in Sri Lankan universities.
Finance Tools
Tax, loan, EMI, and money planning tools for Sri Lanka.
Income Tax (APIT) Calculator
Calculate your monthly take-home salary, 8% EPF, and APIT tax deductions using the latest 2026 Inland Revenue Department slabs.
Loan / EMI Calculator
Work out monthly instalments and total interest on a loan in LKR.
Vehicle Lease EMI Calculator
Calculate your monthly vehicle lease installments, total interest, and loan-to-value ratio for Sri Lankan banks and finance companies.
Student Tools
GPA and academic planning tools for Sri Lankan students.
Final Exam Target
Calculate exactly what you need to score on your final exam to achieve an A, B, or pass the module based on your assignment and mid-term marks.
Attendance Tracker
Calculate how many university lectures you can safely skip or need to attend to maintain the strict 80% UGC attendance requirement.
Target GPA Estimator
Calculate the exact GPA you need in your remaining modules to achieve a First Class, Second Upper, or custom target CGPA in Sri Lankan universities.
Health Tools
BMI and daily health or fitness tools.
Business Tools
Practical tools for Sri Lankan SMEs, freelancers, and businesses.
Math Tools
Everyday tools for percentages, dates, and quick math.
Why trust HariTools.com?
Built around Sri Lankan rules, local decisions, and everyday workflows with accuracy, speed, and privacy in mind.
Locally Accurate
Updated with the latest 2026 Inland Revenue Department (IRD) tax slabs and CEB tariffs.
Privacy First
All calculations happen right in your browser. We never store or send your financial data to external servers.
Blazing Fast
No page reloads, no waiting. Instant math.
Latest Guides & Resources
Learn the math behind the tools.
How to Calculate Your Take-Home Pay in Sri Lanka
A complete guide to understanding APIT, EPF, and ETF deductions under the latest IRD regulations.
Understanding UOM Credit Weightings for GPA
Not all modules are created equal. Here is how the University of Moratuwa weighs your credits for your final GPA.
Fixed vs. Reducing Balance Loans Explained
Before you sign that vehicle lease, make sure you understand how the bank is calculating your monthly interest.
Frequently Asked Questions
Everything you need to know about HariTools.com