Study time, Pomodoro, and spaced repetition planners. Browse our free study tools below — all calculators are instant, accurate, and require no sign-up.
Course Difficulty Rating Calculator — Rate course difficulty with a composite score based on credits, study time, grade distribution, and prerequisites. Compare courses objectively.
Credit Hour to Study Hour Calculator — Convert credit hours to recommended study hours using the Carnegie Unit standard. See daily and weekly study time for your course load.
Flashcard Review Schedule Calculator — Plan your flashcard review workload using the Leitner system. Calculate daily card reviews, new cards, and projected completion timeline.
Homework Time Estimator — Estimate how long your homework will take based on assignment type, problem count, and difficulty. Plan your evening study time accurately.
Pomodoro Session Planner — Plan your Pomodoro study sessions. Calculate how many work-break cycles fit into your available time and total productive minutes.
Spaced Repetition Scheduler — Schedule spaced repetition reviews based on the Ebbinghaus forgetting curve. Get exact review dates at optimal intervals for long-term retention.
Study Break Optimizer — Find the optimal study break length based on your session duration and fatigue level. Evidence-based recommendations for maximum retention.
Study Group Time Splitter — Split study group preparation time evenly among members. Calculate per-person workload by topic, group size, and meeting frequency.
Study Hours Per Credit Calculator — Calculate recommended study hours based on your credit load and course intensity. Find out how much time each course requires per week.
Study Time Planner — Plan your weekly study hours by course credits and difficulty. Calculate total study time needed per week to stay on track academically.