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Quokkai
Free

Audio Length Estimator

Free audio length estimator. Convert word count to audio duration for podcasts, audiobooks, voice-overs, and presentations. Supports multiple speaking speeds and languages.

Accounts for natural pauses, breaths, and transitions

6.7

Minutes

6:40

Duration (h:mm:ss)

7:20

With 10% buffer

4

Approx. pages (250 w/pg)

Quick reference at 150 WPM

WordsDurationFormat
5003:20Short article
1,0006:40Blog post
2,50016:40Long article
5,00033:20Report/chapter
10,0001:06:40Long guide
25,0002:46:40Novella
50,0005:33:20Novel
100,00011:06:40Full audiobook

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Frequently Asked Questions

How many words per minute for a podcast?
Conversational podcast speech averages 150-160 words per minute. Interview-style podcasts tend to be 130-150 WPM. Our estimator lets you adjust the speaking speed to match your style.
How long is a 10,000 word audiobook?
At the standard audiobook narration speed of 150 words per minute, a 10,000 word text produces approximately 67 minutes (1 hour 7 minutes) of audio.
What speaking speed should I use for voice-overs?
Commercial voice-overs typically use 150-170 WPM. E-learning narration is slower at 130-150 WPM. Audiobooks average 150 WPM. Our tool lets you customize the speed.
Does this estimate include pauses?
Our base estimate covers continuous speech. We add an optional 10-15% buffer for natural pauses, transitions, and breathing. You can adjust this in the advanced settings.