Smart tools for smarter studying
Fast, accurate, beautifully simple calculators for students around the world — from GPA conversion to exam countdowns. Every tool works right in your browser.
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International GPA Converter
Convert percentage, 10-point CGPA, 7-point, 4.3 and 5.0 scales to the 4.0 GPA scale — built for international students.
Try it nowNewFinal Grade Calculator
What do you need on the final to hit your target grade? Simple and weighted-assignment modes.
Try it nowNewChristmas Countdown
How many days until Christmas? Live countdown that rolls over to next year automatically.
Try it nowDays Until Calculator
Count down to any date — exams, trips, deadlines, holidays. Shareable links included.
Try it nowPrivate by design
Calculations happen in your browser. We never see your grades — and we never sell data.
Instant results
No page reloads, no waiting. Type and the answer appears — fast enough for exam season panic.
Global grading systems
US, UK, Australia, India, China, Canada — we cover the scales international students actually use.