Calculator is a free suite of academic calculators built to help students make sense of their grades, plan their next semester, and reach their academic goals with confidence.
Our Mission
We believe every student deserves fast, accurate, and easy-to-use tools to understand their academic performance—without spreadsheets, paywalls, or guesswork. Our mission is to make grade math one-click simple, from a single semester CGPA to full four-year GPA planning.
What We Offer
- CGPA Calculator – Combine credits and grade points across semesters.
- Attendance Calculator – See exactly how many classes you can safely skip.
- SAT Score Estimator – Convert raw section scores into an estimated total and percentile.
- Grade Converters – CGPA to percentage, CGPA to US 4.0 GPA, UK classification, NZ 9-point GPA.
- Target CGPA Planner – Work backwards from the CGPA you want.
Who We Build For
High-school students preparing for college, undergraduates tracking every credit, postgraduates converting their transcripts for study abroad, and parents helping their kids stay on track. If you have a grade to calculate, we probably have a tool for it.
Why Students Trust Us
- Free forever – No sign-up walls or paid tiers on any calculator.
- Private by design – Your grades never leave your browser.
- Institution-aware formulas – Multiple grading scales built in.
- Mobile-first – Works instantly on any phone, tablet, or laptop.
Get in Touch
Have a suggestion for a new calculator or a grading system we should support? We’d love to hear from you—send us a message.