Reading Time Calculator
How long will it take to read your next book? Calculate exact hours, days to finish, and the daily pages needed to meet your personal reading pace.
Editions vary by format and typesetting.
Reading speed varies by reader and book type.
Optional: see exact daily pages needed to finish by your deadline.
Maintain this daily pace to finish on or before your target date.
Want to track your reading progress?
Save this book to your personal shelf and monitor your daily reading pace.
How long does it take to read a book?
The time required to read any book depends on three core factors: total page count, your personal reading speed, and the text density on each page. Because font sizes, margins, and prose complexity differ between editions, reading times naturally vary between readers.
1. Page Count
Longer books demand more total time. A 200-page novella takes far fewer total hours than a 600-page historical epic.
2. Reading Speed
Silent reading pace typically falls between 150 and 350 words per minute. You can test your reading speed with our free 1-minute passage assessment.
3. Text Density Per Page
Standard mass-market paperbacks average roughly 250 words per page, while dense non-fiction or textbooks often reach 300 to 400 words per page.
Suppose you are reading a 300-page novel averaging 250 words per page (75,000 total words). If you read at an example pace of 250 words per minute:
Have a specific finish deadline? You can calculate pages per day or build a reading schedule customized to your active reading days.
How We Calculate Reading Time
Our calculator uses transparent mathematical formulas based on standard book typography and reading science. All figures are estimates because individual reading speed varies with narrative complexity and attention.
Pages × Words per Page
e.g. 300 × 250 = 75,000 wordsTotal Words ÷ WPM
e.g. 75,000 ÷ 250 = 300 mins (5h)Total Minutes ÷ Minutes / Day
e.g. 300 ÷ 30 min/day = 10 daysEstimated Reading Times by Book Length
Typical completion times at an average adult reading speed of 250 words per minute (~40 pages per hour).
| Book Length | Estimated Words | Total Time | At 15 min/day | At 30 min/day | At 60 min/day |
|---|---|---|---|---|---|
| 200 pages | 50,000 words | 3h 20m | 14 days | 7 days | 4 days |
| 300 pages | 75,000 words | 5h 0m | 20 days | 10 days | 5 days |
| 400 pages | 100,000 words | 6h 40m | 27 days | 14 days | 7 days |
| 500 pages | 125,000 words | 8h 20m | 34 days | 17 days | 9 days |
| 750 pages | 187,500 words | 12h 30m | 50 days | 25 days | 13 days |
| 1,000 pages | 250,000 words | 16h 40m | 67 days | 34 days | 17 days |
Frequently Asked Questions
How long does it take to read a 300-page book?
At an average adult reading speed of 250 words per minute (about 40 pages per hour), a standard 300-page novel takes approximately 5 hours of total reading time. If you read for 30 minutes every day, you will finish the book in exactly 10 days.
How long does it take to read 500 pages?
A 500-page book contains approximately 125,000 words. At an average pace of 250 WPM, it requires around 8 hours and 20 minutes of total reading time. Reading 45 minutes daily completes a 500-page book in roughly 11 to 12 days.
What is an average reading speed?
Most adult readers read non-technical prose at between 200 and 250 words per minute. Slower readers read around 150 WPM, while experienced or fast readers comfortably read at 300 to 350 WPM without sacrificing comprehension.
How do you calculate reading time?
Multiply the book's total pages by the average words per page (typically 250 for fiction or 300 for non-fiction) to estimate the total word count. Then divide total words by your reading speed in words per minute (WPM). The result is the total number of minutes needed to read the book.
How many pages should I read per day?
Reading just 20 to 30 pages a day (about 30 minutes of reading) allows you to finish two full books every month, adding up to 24 books each year. Consistency is far more impactful than trying to read 100 pages in a single sitting.
Can reading speed vary by book?
Yes, significantly. Complex non-fiction, scientific literature, philosophy, and classical poetry require slower reading (150–200 WPM) for deep comprehension, whereas narrative fiction or thrillers can often be enjoyed at 250–350 WPM.
More Free Reading Tools
Explore our suite of 100% private, browser-based reading utilities.
Reading Speed Test→
Measure your true Words Per Minute (WPM) silent reading rate with timed passages.
Pages Per Day Calculator→
Calculate daily page targets to finish any book comfortably by a specific deadline.
Reading Schedule Builder→
Generate a customized day-by-day reading plan based on your preferred reading days.