School & Study Calculators
We're here to help you ace it. Work out your GPA course by course, or answer the night-before question — "what do I need on the final?" — with an honest verdict on how realistic your goal is. Free forever; share it with your class.
👩🏫 Teaching? The teacher's toolkit lives here →
Start from your question
- What GPA do my grades produce? → GPA Calculator
- Will my exam prep actually fit the days left? → Study Planner
- How many classes can I still miss? → Attendance Calculator
- How long will reading or a speech take? → Words to Time
GPA Calculator
Grade Point Average on the 4.0 scale, course by course.
Final Grade Calculator
What score you need on the final to hit your goal grade.
Pomodoro Timer
Focus sprints with a chime: 25/5, 50/10 or 15/3. 🍅
Weighted Grade Calculator
Course grade from category weights — homework, exams, final.
Test Grade Calculator
Questions and mistakes in — percentage and letter grade out.
Cumulative GPA Calculator
Add this semester and see your new overall GPA.
Grade Curve Calculator
Square root, flat or high-score curve — with the exact lift.
Percentage to GPA
Any percentage to the 4.0 scale — with the full table.
Attendance Calculator
Your %, safe-to-miss budget, and the streak to recover.
Random Team Generator
Split a list into fair random teams — names stay in your browser.
Study Planner
Does your exam prep fit? Verdict, topics/day and a revision buffer.