iNarrator.

Audiobook tools for authors

Audiobook runtime estimator

Enter your manuscript's word count to estimate how long the finished audiobook will run.

Narration pace

Finished audiobook

Enter a word count to see the estimated length.

Based on ~150 words per minute (9,000 words per finished hour).

This is an estimate. Actual runtime varies with pacing, dialogue, pauses and chapter breaks; the industry reference is roughly 9,000–9,300 words per finished hour. iNarrator masters every audiobook to ACX standard, ready for Audible. Get a free quote →