100% free · No sign-up · No tracking
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.
Explore toolsOur tools
New
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 nowSoon
Final Grade Calculator
What do you need on the final to hit your target grade? Weights, points and pass/fail modes.
Coming soonSoon
Christmas Countdown
Days until Christmas — and any other date that matters. Perfect for exam season and holidays.
Coming soonPrivate 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.