
Book · Classics
Twenty Thousand Leagues Under the Sea
by Jules Verne
Page count, estimated reading time and reading quiz: everything to know before you start Twenty Thousand Leagues Under the Sea, and the Vread challenge to get to the end.
- Pages
- 400
- Reading time
- ≈ 7 h 20 min
- Checkpoints
- 11
- Genre
- Classic
Free on iPhone and Android.
How long does it take to read Twenty Thousand Leagues Under the Sea?
At 400 pages, Twenty Thousand Leagues Under the Sea is a fairly long book. Expect about 7 hours 20 minutes of reading to finish it, based on 250 words per page and an average reading speed of 230 words per minute. A fast reader will go quicker; a careful read (or reading in a second language) will take longer.
At 30 minutes a day, that is about 15 days of reading. At the median pace of Vread readers, 72 pages per reading day, it takes 6 reading days. For a book of this length (400 to 599 pages), Vread readers who finish it take a median of 5.3 days between the first and the last checkpoint (Vread Reading Barometer 2026).
- 30 minutes a day15 days
- Vread median pace (72 pp./day)6 days
Estimates; see the method at the bottom of the page.
Prove you read it
The Vread challenge: 11 checkpoints
- Checkpoint 1, page 36
- Checkpoint 2, page 73
- Checkpoint 3, page 109
- Checkpoint 4, page 145
- Checkpoint 5, page 182
- Checkpoint 6, page 218
- Checkpoint 7, page 255
- Checkpoint 8, page 291
- Checkpoint 9, page 327
- Checkpoint 10, page 364
- Checkpoint 11, page 400
In Vread, Twenty Thousand Leagues Under the Sea is split into 11 checkpoints, one every 36 pages or so. At each checkpoint, a question covers the passage you have just read: a correct answer validates the step, and your progress moves forward like a training plan.
The challenge: validate all 11 checkpoints through to the last page. No giant quiz at the end, no summary to copy out: short questions along the way that prove the book was actually read. It also works as a reading quiz to check your understanding before a test.
Also available in French on Vread.
Example: the checkpoint 1 question
Twenty Thousand Leagues Under the Sea, Jules Verne
What type of sea creature is Professor Pierre Aronnax setting out to hunt aboard the Abraham Lincoln?
The answer is in the text: reply in the app.

Public-domain work. The answer, and the following questions, unlock in the app.
Answer in the app, one checkpoint at a time.
Summary, quiz, reviews: frequently asked questions
How many pages is Twenty Thousand Leagues Under the Sea?
How long does it take to read Twenty Thousand Leagues Under the Sea?
Is there a quiz on Twenty Thousand Leagues Under the Sea?
Where can I find a summary of Twenty Thousand Leagues Under the Sea?
More by this author on Vread
Read Twenty Thousand Leagues Under the Sea with Vread
Add the book to your library, read at your own pace in whatever format you use, and validate each checkpoint. Vread is free on iPhone and Android.
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