
How long does it take to read Project Hail Mary?
by Andy Weir
8h 44m
130,900 words at 250 a minute
At 30 minutes a day, you would finish in about 3 weeks.
That is 17 sessions with Project Hail Mary.
Read it with the Guild45 minutes a day would finish it in about 12 days.
This estimate uses a representative 476-page edition. Page counts can differ between editions, formats, and printings.
How many words is Project Hail Mary?
Project Hail Mary is about 130,900 words, estimated from its 476 pages at about 275 words a page. At 250 words a minute, that comes to 8 hours 44 minutes.
We use 250 words a minute, not the 300 most calculators assume. A 2019 meta-analysis of 190 studies puts silent adult reading nearer 238 for non-fiction and 260 for fiction.
How many pages is Project Hail Mary?
- Catalog page count
- 476
- Edition ISBN
- 9780593135204
- Author
- Andy Weir
- Genre
- science fiction
These details come from the ReadersGuild catalog. Look up this edition on Google Books. The word count is estimated from pages, not counted from the text. Introductions, notes, and layout can affect the estimate.
Read it with the Guild
Read Project Hail Mary with friends.
Read with friends online, track your books, decorate your digital bookshelf, and meet new readers. ReadersGuild is like a 24-hour book club inside your personal library.

“I built this to read with my friends a thousand miles away.”
Fabio JonathanFounder of ReadersGuild