Student Tools
Free online student tools built for school, college and university students. Calculate your CGPA from grades and credits, check your attendance percentage and how many classes you can skip, convert marks to percentage, plan study hours before exams, and generate leave applications and citations in seconds. Every calculator is accurate, works on mobile, and requires no signup.
100% Free
No signup required
Private
No file uploads
Browser-Based
Works on any device
9 Tools
In this category
CGPA Calculator
Calculate your CGPA from grade points and credits instantly.
Attendance Calculator
Check your attendance percentage and how many classes you need to attend.
Percentage Calculator
Calculate marks percentage from obtained and total marks.
Study Hours Calculator
Plan how many hours you need to study before your exams.
Semester Predictor
Predict the grades you need next semester to reach your target CGPA.
Leave Application Generator
Generate a formal leave application letter in seconds.
Study Planner
Build a daily study timetable that fits your schedule.
Assignment Helper
Structure and format your assignments faster.
Citation Generator
Generate APA, MLA and Chicago citations for your references.
When to Use Each Tool
Not sure which tool to pick? Here's a quick guide to help you choose the right student tools tool for your specific task:
| Tool | Best For |
|---|---|
| CGPA Calculator | Calculate your CGPA from grade points and credits instantly. |
| Attendance Calculator | Check your attendance percentage and how many classes you need to attend. |
| Percentage Calculator | Calculate marks percentage from obtained and total marks. |
| Study Hours Calculator | Plan how many hours you need to study before your exams. |
| Semester Predictor | Predict the grades you need next semester to reach your target CGPA. |
| Leave Application Generator | Generate a formal leave application letter in seconds. |
| Study Planner | Build a daily study timetable that fits your schedule. |
| Assignment Helper | Structure and format your assignments faster. |
| Citation Generator | Generate APA, MLA and Chicago citations for your references. |
Frequently Asked Questions — Student Tools
Are these student tools really free?▾
Yes, all calculators and student utilities on StudyToolkit are 100% free to use with no signup, no hidden charges, and no usage limits.
Is my academic data safe?▾
Absolutely. All calculations happen inside your browser. No grades, CGPA data, or attendance records are ever sent to or stored on our servers.
Do these calculators work for all universities?▾
Our calculators use standard academic formulas widely adopted across universities. However, grading scales vary between institutions, so always verify results against your university's official policies.
This page and all tools listed above were last reviewed on July 16, 2026 by the StudyToolkit editorial team.