Playback Speed Calculator

什麼是 Playback Speed Calculator？

Playback Speed Calculator is a free web tool that instantly calculates how long any video, podcast, or audiobook takes at various speeds including 1.25x, 1.5x, 2x, 3x, or custom rates. Simply enter a duration to see the exact new time, total time saved, and percentage saved. Features include a speed comparison table, common duration presets, and shareable links. It works on all devices and is perfect for students, podcast listeners, and audiobook fans looking to maximize their time.