Calcademic Blog
Plain-English guides on CGPA, SGPA, percentage, and attendance, with real worked examples instead of confusing formulas.
Photo & Signature Size for All Exams 2026
Exact photo and signature size requirements for SSC, UPSC, NEET, GATE, RRB, and PAN card in pixels, KB, and cm. One complete reference.
2 August 2026
Read more →GradesHow AP Scores Are Calculated (1-5 Scale)
How the College Board converts your AP exam MCQ and FRQ performance into a 1-5 score, with worked examples for popular subjects.
20 July 2026
Read more →GradesHow to Calculate Your Cumulative GPA
Step-by-step guide to calculating cumulative GPA from scratch or updating it with a new semester, with worked examples on a 4.0 scale.
20 July 2026
Read more →GradesWeighted vs Unweighted GPA Explained
The real difference between weighted and unweighted GPA, which one colleges look at, and how AP and Honors classes affect each.
20 July 2026
Read more →CareerMHT CET Marks vs Percentile 2026 Guide
How MHT CET marks convert to percentile for PCM and PCB, with historical data and what happens if you attempt twice.
18 July 2026
Read more →University GuidesVTU CGPA Calculator: Complete Guide 2026
How to calculate your VTU CGPA correctly across the 18, 21, and 22 schemes, with worked examples and percentage conversion.
18 July 2026
Read more →CareerHow Engineering Cutoff Is Calculated (TNEA)
How the TNEA engineering cutoff mark is calculated from 12th marks, with worked examples and what cutoff you need for top colleges.
17 July 2026
Read more →CareerIELTS Band Score: How It's Calculated
How IELTS band scores work for Listening, Reading, Writing, and Speaking, including the rounding rule most students get wrong.
17 July 2026
Read more →CareerCAT Percentile vs Marks: Full Breakdown
How CAT marks translate to percentile, with historical data from 2023-2025, sectional analysis, and IIM cutoff benchmarks.
16 July 2026
Read more →CareerJEE Main Percentile vs Rank 2026 Explained
How JEE Main percentile converts to rank, with historical data, category-wise cutoffs, and JEE Advanced qualifying benchmarks.
16 July 2026
Read more →CareerGATE Score vs Marks: What's the Difference?
Understand how GATE marks, score, and rank are different, with branch-wise examples for CSE, ME, ECE, and Civil Engineering.
15 July 2026
Read more →CareerNEET Marks vs Rank 2026: Full Analysis
See how NEET marks translate to ranks with historical data from 2023-2025, category-wise breakdowns, and what to expect in 2026.
15 July 2026
Read more →Attendance75% Attendance Rule: How Many Days?
What 75% attendance actually means in days, how many classes you can skip, and what happens if you fall short. With real examples.
13 July 2026
Read more →University GuidesCBSE Grading System: Class 10 and 12 Guide
How the CBSE grading system works for Class 10 and 12, including CGPA conversion, best of 5 rule, and what each grade means.
13 July 2026
Read more →GradesDistinction vs First Class: Percentage Guide
What percentage you need for distinction, first class, and second class across CBSE, state boards, and Indian universities.
13 July 2026
Read more →GradesHow to Calculate CGPA in 2026
Learn how to calculate CGPA from grades, credits, and SGPA. Step-by-step examples for engineering, B.Tech, and all Indian universities.
12 July 2026
Read more →GradesHow to Calculate Percentage from Marks
Step-by-step guide to calculating percentage from marks for all subjects, with examples for Class 10, 12th, and university exams.
12 July 2026
Read more →GradesSGPA vs CGPA: Key Differences Explained
Understand the difference between SGPA and CGPA, how they're calculated, and how a bad semester affects your overall CGPA.
12 July 2026
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