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
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GPA Calculator
Grade Point Average on the 4.0 scale, course by course.
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Final Grade Calculator
What score you need on the final to hit your goal grade.
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Pomodoro Timer
Focus sprints with a chime: 25/5, 50/10 or 15/3. 🍅
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Weighted Grade Calculator
Course grade from category weights — homework, exams, final.
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Test Grade Calculator
Questions and mistakes in — percentage and letter grade out.
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Cumulative GPA Calculator
Add this semester and see your new overall GPA.
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Grade Curve Calculator
Square root, flat or high-score curve — with the exact lift.
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Percentage to GPA
Any percentage to the 4.0 scale — with the full table.
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Attendance Calculator
Your %, safe-to-miss budget, and the streak to recover.
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Random Team Generator
Split a list into fair random teams — names stay in your browser.
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Study Planner
Does your exam prep fit? Verdict, topics/day and a revision buffer.