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Use this reading time calculator to see how long to read any book by pages, words per page, and speed. Get instant estimates for total time and days to finish.
Typical: 250 words/page for fiction, 300-400 for non-fiction
💡 Quick tip: Not sure of your reading speed? Start with "Average (250 words/min)" - most people fall in this range. You can always adjust later!
📚 Remember: Reading speed varies by book type. You'll read a thriller faster than a dense textbook, so adjust your speed accordingly!
The Reading Time Calculator answers one of the most common book questions: how long to read this book. Enter pages, words per page, and your reading speed to estimate total hours and days to finish.
If you are searching "how long does it take to read 100 pages" or "how long to read 40 pages," this calculator gives a more precise answer than generic ranges because it uses your pace.
It is useful for students, book clubs, and personal reading goals. You can test multiple daily reading plans and quickly see how your finish date changes.
Looking for more planning tools? Try our Time to Earn Calculator or Days Alive Calculator.
Our calculator uses proven formulas and up-to-date data to give you accurate results. Here's a transparent look at the methodology behind your calculation.
The Formula
Total Words = Pages × Words Per PageReading Time (minutes) = Total Words ÷ Reading SpeedDays to Finish = Reading Time ÷ Minutes Per DayWe use your reading speed (words per minute) and daily reading time to give you accurate estimates. The average person reads 200-250 words per minute, but we let you customize it!
You tell us: book pages, your reading speed, words per page, and how much time you can read daily. Simple!
We multiply pages by words per page to get total words, then divide by your reading speed. Math magic! ✨
We show you total reading time, days to finish, and fun scenarios like 'what if I read more?' 📚
Disclaimer: Results are estimates based on the information provided. For professional advice, consult with a qualified expert in the relevant field. This calculator is for informational purposes only.