Audiobook Speed Calculator
When will you finish that audiobook? Enter its length from Audible, Libby or Spotify, your speed and how long you listen each day — get your finish date, total listening time and the words per minute you'll hear.
Shown on the book's page, e.g. "Length: 11 hrs and 32 mins".
You finish on
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Listening time
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Words per minute
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Same Book, Every Speed
Uses your book length and minutes per day.
| Speed | Listening time | Days to finish | Words / min |
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What Speed Should You Listen To Audiobooks At?
Most narrators read at about 150–160 words per minute. Comfortable listening for most people tops out around 250–300 wpm, which is roughly 1.6x–1.9x. Practiced speed listeners go higher.
- 1x–1.25x — dense non-fiction, foreign-language practice, books you want to savor.
- 1.5x — the sweet spot for most fiction and narrative non-fiction; a 12-hour book becomes 8 hours.
- 2x — re-listens, slow narrators, light reads.
- 2.5x+ — skimming. Audible and Spotify go up to 3.5x; Libby goes to 3x.
Tip: raise speed in 0.1x steps over a few days instead of jumping — your ear adapts quickly. Want the same math for a lecture series? Paste it into the YouTube playlist length calculator.
Frequently Asked Questions
How long does it take to finish an audiobook?
Divide the book's length by your speed, then by the minutes you listen per day. An 11h 32m book at 1.5x is about 7h 41m of listening — 11 days at 45 minutes a day.
How many words per minute is 1.5x on Audible?
With a typical 155 wpm narrator, 1.5x is about 233 words per minute and 2x is about 310.
How many hours is an average audiobook?
Most novels run 8–12 hours. Long fantasy books often pass 30–40 hours, and novellas are usually 3–6 hours.