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Guide · Reading time

How long does it take to read Thinking, Fast and Slow?

Thinking, Fast and Slow by Daniel Kahneman has 611 pages in the edition we track. At the median Readaily pace of about 28 pages an hour, it takes about 21 h 35 min to read: 44 days at 30 minutes a day, or 87 days at 15 minutes a day.

AuthorDaniel Kahneman
Pages611
Published2011
GenreBusiness & Economics

Reading time by pace

These paces come from 1,033 timed reading sessions by 104 Readaily readers (October 2026).

PacePages an hourTime to read
Relaxed (slower quarter of sessions)2326 h 7 min
Median reader2821 h 35 min
Brisk (faster quarter of sessions)4513 h 38 min

A daily plan to finish it

Reading a dayDays to finishFinished in
15 min a day87 daysabout 12 weeks
30 min a day44 daysabout 6 weeks
60 min a day22 daysabout 3 weeks

Page counts change between editions, formats and languages. Large print, illustrated and pocket editions can differ by a hundred pages or more, so treat this as a good estimate, not a promise.

Your own pace is the number that matters. Readaily times your sessions and works out your pages per hour for each book. Try the reading time calculator with your own numbers.

Questions

How many pages is Thinking, Fast and Slow?

The edition we track has 611 pages. Other editions may be longer or shorter.

How many hours does it take to read Thinking, Fast and Slow?

About 21 h 35 min at the median pace measured in Readaily (about 28 pages an hour).

Can I finish Thinking, Fast and Slow reading 15 minutes a day?

Yes: at the median pace, 15 minutes a day gets you through it in about 87 days.

Try it with the book you’re reading

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