Useful Tools & Calculators
Explore our collection of free online calculators and study tools designed to make everyday calculations and exam preparation easier.
Popular Tools
Quick and easy tools for common calculations and study needs.
Age Calculator
Calculate your exact age in years, months and days from your date of birth.
Use Age CalculatorPercentage Calculator
Calculate percentages, percentage values and percentage changes quickly and accurately.
Use Percentage CalculatorAverage Calculator
Calculate the average of two or more numbers quickly and accurately.
Use Average CalculatorGST Calculator
Calculate GST amounts using inclusive or exclusive GST options and different tax rates.
Use GST CalculatorMarks & Percentage Calculator
Enter subject-wise marks and calculate total marks, percentage and overall performance.
Calculate MarksPomodoro Study Timer
Use focused study sessions with short breaks to improve concentration and maintain a productive study routine.
Start Pomodoro TimerGPA Calculator
Calculate your GPA using subject credits and grade points with a simple weighted GPA calculation.
Calculate GPACGPA Calculator
Calculate your cumulative GPA using semester GPA and total credits for an easy and accurate CGPA estimate.
Calculate CGPAGPA & CGPA Converter
Convert GPA to CGPA or CGPA to GPA across different grading scales with instant estimated results.
Convert GPA & CGPATools for Better Study
Plan your preparation, stay focused and track your study sessions.
Study Planner
Create a structured study schedule based on your available time, subjects and preparation goals. Organize study, revision and practice sessions in one place.
Why Use These Tools?
Quick & Easy
Get results quickly without complicated steps or unnecessary calculations.
Mobile Friendly
Use the calculators and study tools comfortably on mobile, tablet or desktop.
Free to Use
Access useful calculators and study tools without creating unnecessary complexity.
Free Online Calculators & Study Tools
Thiru Test Batch provides a collection of free online tools designed for students, exam aspirants and everyday users. You can calculate your age, percentages, averages, GST amounts and subject-wise marks without performing the calculations manually.
For students, our study-focused tools can also help with preparation and productivity. Use the Marks & Percentage Calculator to understand your academic performance and the Pomodoro Study Timer to organize focused study sessions. More useful tools can be added to this collection over time.