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Publishing Calc: Audiobook Running Time from Word Count
x402
Publishing Calc: Audiobook Running Time from Word Count is a paid API for AI agents from publishing-calc.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-29).
Calculates estimated audiobook running time (in hours and clock format) from a manuscript word count using a configurable narration pace.
Price / call$0.02
Success—
StatusUnknown
How this service works
Audiobook running time from a word count at about 9,300 words per hour (change it), as hours and clock time.
Output
Returns the estimated audiobook running time as decimal hours, whole hours, extra minutes, and a formatted clock time string (e.g. '9h 8m'), along with the words-per-hour rate used, words-per-minute equivalent, and a summary string. May also include disclaimer or source notes.
Example use cases
Audiobook production planning for author
“My novel is 95,000 words — how many hours will the audiobook run at standard narration pace? I need the total hours and the clock time breakdown.”
Comparing narration pace impact
“My manuscript is 70,000 words. What's the audiobook running time if narrated at 10,500 words per hour instead of the standard rate?”
ACX royalty tier check
“I need to know if my 55,000-word book will hit the 5-hour minimum for audiobook distribution — can you calculate the estimated running time?”
Technical details
Endpoint
GEThttps://publishing-calc.x402tookit.com/audiobook-length?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, reliable audiobook length estimate from a word count, especially when you want to customize the narration pace. Ideal for authors, publishers, and production planners who need running time in both decimal hours and clock format. Prefer this over manual calculation or generic writing tools that don't offer audiobook-specific pace defaults.
Side effects
- Missing required 'words' query parameter returns an error
- Non-numeric word count causes validation failure
- Very low word counts (e.g. 0 or negative) may return zero or nonsensical results
- Network or payment failure (x402) prevents response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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