Audiobook Speed Calculator (Embeddable)

Audiobook Speed Calculator

Calculate listening time or required speed — clean, modern, and embeddable.

Original Duration

Tip: You can paste something like 12:30:00 into Hours to auto-split.

Playback Speed

1.20×

Original Duration

Target Finish Window

Provide either a duration window (in hours) or a specific deadline.

Results

Adjusted Listening Time
Time Saved
Finish By (if start now)
Required Speed

Quick Reference

Common speeds vs. adjusted time (based on your original duration).
Speed Adjusted Time Saved
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