Career & Growth · Free tool
Flashcard Study Time Estimator
Predict cards needed and hours of study for concepts with spaced-repetition scheduling. Free online tool, no registration.
Updated June 2026
Cards needed
100
Total study time
2.2 hrs
~130 min
Reviews per card
7
SM-2 style review schedule
Day 1#1Day 3#2Day 7#3Day 14#4Day 30#5Day 90#6
Tips for good cards
- One fact per card — atomic prompts beat compound ones.
- Use cloze deletion for definitions and dates.
- Add an image or mnemonic for abstract concepts.
- Rephrase in your own words; don’t copy textbook sentences verbatim.
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What it does
Retention isn’t linear — 6 months requires 2x the reviews of 1 month. Cards, hours, and an SM-2-style review schedule from day 1 to 90.
Embed this tool on your siteShow snippetHide
Paste this snippet into any page. Loads on-demand (lazy), no tracking scripts, and sized to most dashboards. Replace the height to fit your layout.
<iframe src="https://freetoolarena.com/embed/flashcard-study-estimator" width="100%" height="720" frameborder="0" loading="lazy" title="Flashcard Study Time Estimator" style="border:1px solid #e2e8f0;border-radius:12px;max-width:720px;"></iframe>How to use it
- Enter concepts + subject type.
- Pick target retention.
- Read cards + hours + schedule.
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