Reading time
How long does it take to read Kill Switch?
Kill Switch by Penelope Douglas is about 640 pages, so it takes about 11 hours at an average 238 words per minute — about 23 days at 30 minutes a day.
At an average reading speed
11 h 12 min
Kill Switch · Penelope Douglas · first published 2019
- Pages
- 640
- 30 min a day
- 23 days
By reading speed
| Unhurried reader · 180 wpm | 14 h 49 min |
| Average adult · 238 wpm | 11 h 12 min |
| Quick reader · 300 wpm | 8 h 53 min |
| Very fast reader · 400 wpm | 6 h 40 min |
By daily habit
Your reading speed
| 15 minutes a day | 45 days |
| 30 minutes a day | 23 days |
| 45 minutes a day | 15 days |
| 60 minutes a day | 12 days |
Page count: median of 4 editions on Open Library. Times assume about 250 words per page. How we calculate.
#3 in Devil's Night
Next in the series: Nightfall (2021)
Your real reading speed
Time your sessions and Bookwisp learns how fast you actually read.
Start the timer when you open the book; it keeps running on your Lock Screen. Stop it, note your page, and your weekly minutes and streak update.

Kill Switch: reading time questions
- How many pages is Kill Switch?
- Kill Switch is about 640 pages. That is the median across the 4 editions listed on Open Library; hardcover, paperback and large-print editions differ.
- How long does it take to read Kill Switch?
- About 11 h 12 min at 238 words per minute, the average silent reading speed for adults. A quick reader at 300 words per minute needs about 8 h 53 min.
- How many days to read Kill Switch at 30 minutes a day?
- About 23 days. At 15 minutes a day it takes about 45 days, and at an hour a day about 12 days.
- What number is Kill Switch in the Devil's Night series?
- Kill Switch is book 3 in Devil's Night by Penelope Douglas.
Books of about the same length
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- DuneFrank Herbert · 608 pages · 10 h 39 min
- Harry Potter and the Half-Blood PrinceJ.K. Rowling · 640 pages · 11 h 12 min
- The Final EmpireBrandon Sanderson · 669 pages · 11 h 43 min