Free tool
Turn a word or page count into finished runtime, recording time, full production hours and per-finished-hour narration cost. Everything updates live — no signup, nothing leaves your device.
Try it
Plug in a manuscript size and pace to project runtime, timeline and budget in seconds.
Leave blank to skip the cost estimate.
Estimated runtime
≈ 10 hr of finished audio from 90,000 words.
Estimates use the audiobook industry standard of ~9,300 words per finished hour at 155 wpm. Recording runs roughly 2× finished time; full production (prep, recording, editing, proofing, mastering) about 6.2×. Your mileage will vary by pacing and material.
How it works
The calculator uses the audiobook industry's standard math — word count over narration speed for runtime, with proven multipliers for recording and full production time.
Step 1
Enter a word count, or a page count with words-per-page.
Step 2
Pick a narration speed between 130 and 170 words per minute.
Step 3
Finished runtime, hours, recording, production and PFH cost.
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