Audiobook length / The Empyrean
Onyx Storm audiobook length
The unabridged Onyx Storm audiobook by Rebecca Yarros is 23 hours 52 minutes long, read by Teddy Hamilton, Jasmin Walker, Rebecca Soler and Justis Bolding. It is book 3 of 3 in The Empyrean.
Length at 1x
23h 52m
23:52:41, unabridged
At 1.5x
15h 55m
saves 7h 57m
At 2x
11h 56m
half the time
| Speed | Listening time | Time saved | Days at 1 hour a day |
|---|---|---|---|
| 1x | 23h 52m | - | 24 |
| 1.25x | 19h 06m | 4h 46m | 20 |
| 1.5x | 15h 55m | 7h 57m | 16 |
| 1.75x | 13h 38m | 10h 14m | 14 |
| 2x | 11h 56m | 11h 56m | 12 |
| 2.5x | 9h 33m | 14h 19m | 10 |
| 3x | 7h 57m | 15h 55m | 8 |
When will I finish?
At 1.5x and 45 minutes a day you finish in 22 days.
Length from the Apple Books listing for this edition, checked 3 October 2026. Other stores sell the same recording at the same length.
How many days to listen to Onyx Storm
Days needed to finish the 23 hours 52 minutes recording, by how long you listen each day.
| Each day | 1x | 1.25x | 1.5x | 2x |
|---|---|---|---|---|
| 15 minutes | 96 days | 77 days | 64 days | 48 days |
| 30 minutes | 48 days | 39 days | 32 days | 24 days |
| 1 hour | 24 days | 20 days | 16 days | 12 days |
| 1.5 hours | 16 days | 13 days | 11 days | 8 days |
| 2 hours | 12 days | 10 days | 8 days | 6 days |
How long does it take to read Onyx Storm?
Reading the book yourself takes about 14 hours 48 minutes at an average adult reading speed of 250 words a minute. Onyx Storm is roughly 222,000 words, estimated from the audiobook at a narration pace of 155 words a minute, and print editions run about 544 pages (the middle value across 13 editions listed on Open Library).
| Reading speed | Time to read | At 1 hour a day |
|---|---|---|
| Relaxed (200 words a minute) | 18h 30m | 19 days |
| Average adult (250 words a minute) | 14h 48m | 15 days |
| Fast (300 words a minute) | 12h 20m | 13 days |
| Very fast (400 words a minute) | 9h 15m | 10 days |
Your speed: words a minute = 14h 48m. Reading is 38% faster than listening at 1x, and about the same as listening at 1.6x.
For any other book, page count or text, use the reading time calculator.
The Empyrean audiobook lengths
| # | Book | Length | At 1.5x |
|---|---|---|---|
| 1 | Fourth Wing | 22h 02m | 14h 41m |
| 2 | Iron Flame | 28h 16m | 18h 51m |
| 3 | Onyx Storm | 23h 52m | 15h 55m |
The whole series takes 74 hours 12 minutes. See The Empyrean audiobook length page for totals at every speed.
Listening faster
Most listeners are comfortable between 1.25x and 1.5x, which turns 23h 52m into 19h 06m to 15h 55m. If Teddy Hamilton, Jasmin Walker, Rebecca Soler and Justis Bolding’s pace feels slow, raise the speed by 0.1x every few days. For any other book, type its length into the audiobook speed calculator.
Questions
How long is the Onyx Storm audiobook?
The unabridged Onyx Storm audiobook read by Teddy Hamilton, Jasmin Walker, Rebecca Soler and Justis Bolding is 23 hours 52 minutes long (23:52:41).
How long is Onyx Storm at 1.5x speed?
15 hours 55 minutes at 1.5x, 19 hours 6 minutes at 1.25x and 11 hours 56 minutes at 2x.
Who narrates the Onyx Storm audiobook?
Teddy Hamilton, Jasmin Walker, Rebecca Soler and Justis Bolding, for Recorded Books.
How long does it take to read Onyx Storm?
About 14 hours 48 minutes at an average reading speed of 250 words a minute, for roughly 222,000 words (print editions run about 544 pages). A fast reader at 300 words a minute needs about 12 hours 20 minutes.
How many days does it take to listen to Onyx Storm?
At an hour a day it takes 24 days at normal speed, or 16 days at 1.5x. At 30 minutes a day it takes 48 days, or 32 days at 1.5x.
How long is the whole Empyrean series on audiobook?
All 3 books add up to 74 hours 12 minutes. See the full list on The Empyrean audiobook length page.
More audiobook lengths
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- The Martian 10h 59m
- It 44h 55m
- The Stand 47h 47m
- 11/22/63 30h 40m
- Dune 21h 02m
- East of Eden 25h 19m
- Lonesome Dove 35h 49m