Free Flashcard Retention Calculator

Calculate your flashcard retention rate and estimate how many cards you have truly memorized from your study sessions.

Retention Rate

78.0

Cards Needing Review22
Cards Learned per Session15.6

Retention Rate vs Total Flashcards

How to Calculate Flashcard Retention

Retention rate measures how many flashcards you can recall correctly.

Formula

Retention Rate = (Correctly Recalled / Total Cards) x 100

Aim for 85–95% retention. Below 85% means you are reviewing too many new cards. Above 95% means you can add more.

Example Calculation

A student has 100 flashcards, recalls 78 correctly after 5 study sessions.

  1. 01Retention rate = (78 / 100) x 100 = 78%
  2. 02Cards needing review = 100 - 78 = 22
  3. 03Cards learned per session = 78 / 5 = 15.6

Frequently Asked Questions

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