How long does it take to read A Study in Scarlet?

A Study in Scarlet by Arthur Conan Doyle is about 43,000 words long, so it takes about 2 hours 46 minutes to read at the average adult reading speed for fiction (260 words a minute). On Scrolls it is 1,738 short chunks across 14 chapters; at 10 minutes a day you would finish it in 17 days.

43,188words
2 h 46 minreading time
1,738chunks on Scrolls
~6 sper chunk

Updated 31 October 2026. Counted from the Scrolls edition.

How many days will it take to read A Study in Scarlet?

It depends on how many minutes a day you read. At 260 words a minute:

Reading a dayDays to finish
5 minutes34 days
10 minutes17 days
15 minutes12 days
20 minutes9 days
30 minutes6 days

About A Study in Scarlet

The 1887 novel in which Arthur Conan Doyle introduced Sherlock Holmes and Dr Watson. Part one is a London murder investigation; part two moves to Utah to tell the story behind the crime.

It opens:

In the year 1878 I took my degree of Doctor of Medicine of the University of London, and proceeded to Netley to go through the course prescribed for surgeons in the army.

Chapters and reading times

A Study in Scarlet has 14 chapters. The longest takes about 17 minutes; the shortest about 7 minutes.

#ChapterWordsTimeChunks
1Mr. Sherlock Holmes2,75811 min110
2The Science of Deduction3,53514 min140
3The Lauriston Gardens Mystery3,81815 min155
4What John Rance Had to Tell2,53410 min103
5Our Advertisement Brings a Visitor2,51610 min105
6Tobias Gregson Shows What He Can Do3,19212 min136
7Light in the Darkness3,32413 min132
8On the Great Alkali Plain3,60314 min145
9The Flower of Utah2,57310 min97
10John Ferrier Talks with the Prophet1,8347 min73
11A Flight for Life3,37113 min133
12The Avenging Angels3,52614 min137
13A Continuation of the Reminiscences of John Watson, M.D.4,49017 min183
14The Conclusion2,1148 min89

How to read A Study in Scarlet on Scrolls

A Study in Scarlet is included in Scrolls Library, the Scrolls subscription. You can read the first chapter free as a sample before you subscribe. Scrolls shows it one short chunk per screen: swipe up for the next, the way you move through a feed, and your place syncs across devices.

How we worked this out

We counted the words in the edition you read on Scrolls, then divided by 260 words a minute, the average adult silent reading rate for English fiction in a review of 190 studies: Brysbaert (2019), “How many words do we read per minute? A review and meta-analysis of reading rate”, Journal of Memory and Language 109. Fast readers will take less time and careful readers more; a Scrolls chunk averages about 6 seconds at that speed.

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