How long does it take to read The Knowledge Book?
Everything You Need to Know to Get By in the 21st Century
The Knowledge Book by National Geographic takes about 9 hours 23 minutes to read at 250 words a minute.
About 9 hours 23 minutes
A week or two of reading
First published 2007. 512 pages, about 140,800 words.
19 days at 30 minutes a day
Estimate based on 275 words per page.
At other speeds
| Slow, 150 words a minute | 15 hours 39 minutes |
| Average, 250 words a minute | 9 hours 23 minutes |
| Fast, 400 words a minute | 5 hours 52 minutes |
The page count is the median across 1 edition, so your copy may differ. How we calculate.
Subjects: Encyclopedias and dictionaries
