Student Tools & Study Calculators
StudentCalc.online is a free platform made for school and college students. Calculate percentages, CGPA, GPA, attendance, and exam-related results easily using fast and accurate tools.
Why StudentCalc Exists
Let’s be honest — students waste a lot of time doing small calculations like percentage, attendance shortage, CGPA conversions, and assignment word count. And the worst part? Most websites either confuse you with complicated steps or show too many ads.
That’s why we created StudentCalc.online: clean calculators, simple steps, and student-friendly explanations. You enter values → get correct output → plan your studies confidently.
⚡ Fast
Instant results with no confusing steps.
🎯 Accurate
Standard formulas used across schools and colleges.
🧠 Student-Friendly
Examples + guidance so you don’t make mistakes in forms.
How It Works
Designed to be simple for every student — even if you hate maths 😄
Enter Your Values
Marks, total classes, CGPA — whatever the tool asks.
Get Result Instantly
You’ll see percentage, shortage, and requirement clearly.
Plan Smarter
Use it for exams, attendance buffer, admissions and more.
Popular Student Calculators/Tools
Specialized tools designed to support academic planning and reduce student confusion.
Marks Percentage Calculator
Convert marks into percentage with a clean breakdown — perfect for result analysis and forms.
Calculate Now →CGPA to Percentage Converter
Convert CGPA into percentage using standard academic conversions used in India.
Convert Now →75% Attendance Calculator
Know instantly if you’re safe for exams — and how many classes you can still miss.
Check Attendance →Age Calculator
Calculate age in years, months, and days — useful for admissions and documents.
Calculate Age →Word Counter
Count words, characters, sentences instantly — perfect for essays and assignments.
Count Words →Student Guides & Tips
Not just calculators — we also explain concepts like percentage, CGPA, GPA, and attendance rules clearly.
Frequently Asked Questions
How do I calculate my final exam percentage?
Use our Marks Percentage Calculator. Enter obtained marks and total marks — we apply (Obtained/Total)×100 automatically.
What is the difference between CGPA and percentage?
CGPA is grade-based (0–10 or 0–4 scale) while percentage is out of 100. Our CGPA converter uses standard formulas for conversion.
How does the 75% attendance rule work?
Many institutions require minimum attendance for exam eligibility (often 75%). Use our Attendance Calculator to track how many classes you must attend or can miss.
Is StudentCalc free and accurate?
Yes. All tools are free. We use standard academic formulas and keep tools updated regularly. Still, for official submissions, always match your board/university guidelines.
Can I use StudentCalc on mobile?
Yes. StudentCalc is responsive and works smoothly on mobile, tablet and desktop.