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Video and audiobook speed calculator

Calculate listening or viewing time at a custom playback speed and time saved.

Your details

HH:MM:SS, optionally .mmm
0.1 – 10

Preparing your tool…

How it works

Divide the source duration by the playback multiplier; compare against normal speed.

Example

A two-hour recording at 1.5× takes 01:20:00, saving 40 minutes.

What should I check before using the result?

Assumes constant speed with no pauses, skipped content or ads.