YouTube Playlist Length
Calculate the total runtime of a YouTube playlist at any playback speed.
Results
What is it?
The YouTube Playlist Length Calculator estimates how long it will take to watch an entire playlist at a given playback speed. YouTube supports speeds from 0.25x to 2x; this calculator covers the most commonly used speeds (0.75x–2x).
How to use
Enter the total number of videos in the playlist, the average video length in minutes and seconds, and your intended playback speed. The calculator shows the adjusted total runtime in hours and minutes.
Example scenario
A coding tutorial playlist has 30 videos averaging 15 minutes each = 7.5 hours at 1x speed. At 1.5x playback speed, that becomes only 5 hours — saving 2.5 hours while still covering all the content.
Pro tip
Watching at 1.5x speed saves 33% of your time; 2x saves 50%. Studies suggest comprehension stays near 100% up to about 1.5x for most learners, but drops noticeably beyond 2x. For dense technical or language-learning content, stick to 1x or 1.25x. Plan marathon binge sessions by factoring in breaks: schedule a 10-minute break for every hour of content to maintain focus and retention.