Student Tools
Free calculators and practice tools for school, college and competitive exam students. Convert grades with the CGPA to percentage calculator using CBSE or university formulas, add up subject marks with the marks percentage calculator (including best of five), and stay above the 75% rule with the attendance calculator, which tells you how many classes you can skip or must attend.
Prepare for typing tests in SSC and clerk exams with the English and Hindi typing speed test. Solve maths and science problems with the scientific calculator in degrees or radians, and practise interest questions with the simple and compound interest calculator. For exam applications, see our exam tools, which prepare your photo and signature in the exact format forms require.
- CGPA to Percentage CalculatorConvert CGPA or SGPA to percentage using CBSE's 9.5 formula or university formulas like VTU, AKTU and Mumbai University. Instant and free.
- Marks Percentage CalculatorAdd subject marks and calculate total percentage for board exams, semesters or tests, with best-of-five and division. Add or remove subjects.
- Attendance CalculatorFind how many classes you can skip or must attend to stay above 75% attendance. Enter attended, total and required percentage. Free.
- Typing Speed TestTest your English or Hindi typing speed in words per minute with accuracy and errors. 1, 2 or 5 minute tests for job tests and practice.
- Scientific CalculatorFree online scientific calculator with trigonometry in degrees or radians, logarithms, powers, roots, factorial, percent and history.
- Simple & Compound Interest CalculatorCalculate simple and compound interest side by side for any principal, rate and time, with yearly, half-yearly, quarterly or monthly compounding.