About

About PlaySpeedCalc

PlaySpeedCalc is a small playback speed calculator for videos, podcasts, lectures, and audiobooks. It helps you convert an original duration into the real listening or watching time at speeds like 1.25x, 1.5x, 2x, or 3x.

The calculator runs in your browser. Duration, speed, and finish-time values are not uploaded to a server.

The playful result messages are only a lightweight finish-state detail. They never change the calculation result.