Study Buddy Tools has free calculators and plain-English guides for students. This page lists every guide in one place, grouped by topic, so you can find what you need quickly. Each guide includes worked examples you can repeat with your own numbers, and links to the matching free calculator.
GPA and CGPA
- How to Calculate GPA: Step-by-Step Guide with Examples: the core method for working out your GPA on a 4.0 scale.
- How to Calculate Your GPA: Step-by-Step Guide With Examples: a four-step walk-through with a worked semester example.
- How to Calculate GPA With Credit Hours (Step-by-Step With Examples): why credit hours matter and how to weight each course.
- How to Calculate CGPA From Semester GPAs (With Example): combine semester GPAs into a cumulative GPA the right way.
- SGPA vs CGPA: What’s the Difference and How to Calculate Both: the difference between a semester GPA and a cumulative GPA.
- Weighted vs Unweighted GPA: What’s the Difference?: how honors and AP weighting changes your GPA.
- How Much Can You Raise Your GPA? A Simple Calculation: how much one semester can move your cumulative GPA.
- How to Raise Your CGPA in One Semester: 9 Practical Strategies: a practical plan to lift your CGPA in a single term.
What your GPA means
- What Is a Good GPA? High School and College Guide: what counts as a good GPA for college, jobs and graduate school.
- What GPA Do You Need for the Dean’s List? (Requirements Explained): typical Dean’s List cut-offs and how to qualify.
- What GPA Do You Need for a Scholarship? (Typical Cut-Offs Explained): common GPA requirements for merit and need-based scholarships.
- How to Calculate Your Class Rank Percentile (With Examples): turn your class rank into a percentile and top percent.
Converting grades between systems
- How to Convert a Percentage to GPA (4.0, 5.0 and 10-Point Scales): convert percentages to 4.0, 5.0 and 10-point scales.
- What Percentage Is a B? Letter Grade to Percentage Chart: a full letter grade to percentage chart.
- CGPA to Percentage: CBSE, VTU and University Formulas Explained: CBSE, VTU and other Indian university formulas.
- How to Convert CGPA to Percentage in Pakistan (With Examples): how Pakistani universities convert CGPA to percentage.
- UK Degree Classifications Explained: First, 2:1, 2:2 and GPA Equivalents: First, 2:1, 2:2 and how they compare with US GPAs.
Grades, marks and percentages
- What Do I Need on My Final? How to Calculate It (With Examples): the score you need on your final to reach a target grade.
- How to Calculate Your Weighted Grade (With Examples): calculate a grade when assignments carry different weights.
- How Many Questions Can You Miss and Still Get an A?: how many questions you can get wrong and still score an A.
- How to Calculate Your Test Score Percentage (and What Grade It Is): turn a raw test score into a percentage.
- How to Calculate Percentage of Marks (With Examples): work out the percentage of marks across one or more subjects.
- How to Calculate Percentage Increase or Decrease in Your Marks: measure how much your marks went up or down.
- Attendance Percentage Calculator: How Many Classes Can You Miss?: your attendance percentage and how many classes you can miss.
Writing and citations
- APA vs MLA vs Harvard: Which Citation Style Should You Use?: how the three main referencing styles differ.
- How to Cite a Website in APA 7th Edition (With Examples): APA 7 website citations with examples.
- How to Cite a Website in MLA 9 (Format and Examples): MLA 9 website citations with examples.
- How to Cite a Website in Harvard Style (With Examples): Harvard website citations with examples.
- How Many Pages Is 1,000 Words? Essay Length Explained: how many pages 1,000 words fills in common formats.
- How Many Pages Is 1,500 Words? (Single vs Double Spaced): how many pages 1,500 words fills in common formats.
Study skills
- The Pomodoro Technique for Studying: Does 25 Minutes Really Work?: how to use 25-minute focus sessions to study better.
- How to Build a Weekly Study Timetable That Actually Works: a six-step method and a sample weekly timetable.
University GPA guides (US)
- University of Florida (UF) GPA guide
- Arizona State University (ASU) GPA guide
- New York University (NYU) GPA guide
- UC Berkeley GPA guide
- UT Austin GPA guide
Free tools
- GPA and CGPA Calculator, Grade Calculator, Final Grade Calculator and Test Score Calculator
- Percentage Calculator and Marks to Percentage Calculator
- Citation Generator, Word Counter and Pomodoro Timer
- Free GPA formula sheet and the Student Study Planner and GPA Tracker
Grading rules differ between schools and countries, so always check your own institution’s official policy. Want a guide we have not written yet? Let us know.