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Education
Forgetting Curve
Ebbinghaus spaced repetition intervals
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Parameters
Results
- Intervals (days)
- 1 → 4 → 18 → 77 → 326
- Until last review
- 326 days
- Stability S
- 5
Empirical model for planning spaced repetition.
How it works
Plan spaced repetition review intervals based on target retention.
Who it's for: Students and language learners using spaced repetition study systems.
Models forgetting curve stability from desired retention percentage.
Generates a sequence of review intervals in days.
Empirical model for planning — adjust based on personal recall.
How to use
- Enter Target retention (%), First review interval (days), and number of Reviews.
- Read Intervals (days) as the suggested schedule.