Study tools that actually help
Calculate your GPA, find out what you need on your final, count words and create citations in seconds. Fast, private and free for students everywhere.
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Grading scales: the GPA calculator uses the US 4.0 scale by default. Studying in Pakistan, India, the UK or elsewhere? Use the Marks to Percentage & Grade Converter or read how to convert a percentage to GPA.
Latest study guides
Plan your whole semester in one sheet
The Semester Planner & GPA Tracker (Excel) tracks your courses, deadlines and GPA automatically.
Get the planner →Free GPA & CGPA Formula Sheet
Every GPA, CGPA, final-exam and grade conversion formula on one printable page. Enter your email and download it free.
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Why students use Study Buddy Tools
- Free forever: no accounts, no paywalls, no email required.
- Private: every tool runs in your browser, so nothing you type is stored or sent anywhere.
- Clear explanations: each tool shows the formula and a worked example, so you understand your result.
- Works on any device: phone, tablet, laptop or school computer.
Frequently asked questions
Are these tools really free?
Yes. Every tool on Study Buddy Tools is free to use with no sign-up.
Which grading scale do the calculators use?
The GPA calculator uses the standard US 4.0 scale, and the grade calculators work with percentages, so they suit most high schools, colleges and universities.
Can I suggest a new tool?
We add new tools regularly. Email hello@studybuddytools.com with your idea.