Percentage & Math
Percentage increase, difference, change, percentile vs percentage, and practical calculation guides.
22 articlesPercentage vs Fraction: Difference and Conversion Guide
Is 3/4 the same as 75%? Learn the difference between percentages and fractions, how to convert them, and visual tips to make the math click.

Education ROI: Is Your Degree Worth It?
Calculate the real return on investment of your degree — compare tuition costs against expected salary growth, break-even timelines, and long-term earnings to make informed education decisions.

How to Calculate Percentage Increase
Learn the percentage increase formula with step-by-step examples. Calculate score improvements, salary hikes, and any growth between two values accurately.

Marks Needed on Final Exam: How to Calculate
Learn how to calculate the exact marks you need on your final exam to achieve your target course grade. Includes the formula, step-by-step examples, and a free calculator.

Percentage vs Percentile: Key Differences
Understand the difference between percentage and percentile, how each is calculated, when to use which, and why a 90th percentile score doesn't mean 90% correct.
Why is CGPA Multiplied by 9.5? The Origin of the Formula
Why is CGPA multiplied by 9.5 and not 10? Discover the exact statistical logic, historical context, and math behind the CBSE 9.5 multiplier.
First Division Percentage in India: Exactly What You Need to Know
Confused if you secured a first division? Discover the exact 60% threshold, how strict hiring filters use it, and how to instantly calculate your standing.
Best Online Tools for Marks Percentage Calculation
A no-fluff breakdown of 8 free percentage calculators — what each one does, who it is for, and which to use for your specific academic situation.

How to Calculate Percentage of Marks
Learn the standard way to calculate your marks percentage. Simple formula, examples, and a quick calculator for students.
SGPA to Percentage: The University-Specific Conversion Formulas
SGPA to percentage conversion formulas for VTU, JNTU, Anna University, MAKAUT, and 15+ Indian universities. Why the same SGPA gives different percentages at different universities.
CAT Percentile: How 100 Marks Can Be 99.5 or 97 Depending on the Slot
CAT percentile calculation with slot-wise normalization. What percentile you need for IIM Ahmedabad, IIM Bangalore, and the new IIMs — with marks vs percentile tables for 2024.
JEE Main Percentile: How NTA Calculates Your Rank from Raw Marks
JEE Main percentile calculation with the NTA normalization formula. Why session shifts matter, what percentile you need for NITs and IIITs, and the difference between CRL and category rank.
NEET Percentile vs Percentage: Why 650 Marks Can Be Rank 100 or Rank 5000
NEET percentile calculation explained. Why the same marks give different ranks every year, how NTA normalizes scores, and what percentile you need for MBBS, BDS, and AYUSH seats.
How to Calculate CGPA from SGPA: Step-by-Step for Indian Universities
CGPA from SGPA calculation with formulas for VTU, JNTU, MAKAUT, and APJ Abdul Kalam University. Includes the credit-weighted formula, semester-by-semester example, and the CGPA to percentage conversion.
How to Calculate Attendance Percentage (and How Many Classes You Can Still Skip)
Attendance percentage formula with the reverse calculation: how many classes can you miss and still hit 75%? Includes the skip budget table, college-specific rules, and medical leave math.
Percentage Increase vs Percentage Difference: When to Use Which
Percentage increase, percentage decrease, and percentage difference explained with formulas and examples. Why they give different answers and which one to use for salary hikes, price changes, and comparisons.
Percentage Formula Explained: 10 Real-Life Examples Students Actually Need
The percentage formula broken down with 10 real student scenarios — exam scores, discounts, attendance, GST, tips, and more. Each with the exact formula and worked calculation.
How to Calculate Tip at Restaurants: The Complete Guide for 50+ Countries
Complete tipping guide for 50+ countries with tip calculator. Know when to tip, how much, and when tipping is offensive. Includes India, US, Europe, Japan, and Middle East tipping customs.
Restaurant Tipping Guide by Country - How Much to Tip Everywhere
A complete guide to tipping customs in 50+ countries. Learn when to tip, how much, and when tipping is actually offensive. Includes calculator for splitting tips fairly.
How to Split Bills Fairly - The Complete Guide
Learn the 5 best ways to split bills fairly, from equal division to income-based splits. Avoid common mistakes and keep friendships intact with our proven methods.
Anna University CGPA to Percentage Formula (2024 Guide)
Confused about converting your Anna University CGPA to a percentage? We break down the exact formula for Regulations 2021, 2017, and older, plus common pitfalls to avoid.
CBSE Best of Five Rule Explained: How to Calculate Your Real Percentage
Demystifying the CBSE Class 10 Best of Five rule. Learn exactly how to handle 6-subject scenarios, language requirements, and the IT (402) subject replacement rule.