Free YouTube playlist tool

How to Calculate YouTube Playlist Length

You can calculate playlist length manually, but a playlist calculator is faster and less error-prone for long public playlists.

Open the Calculator

The Fast Method

Paste the playlist URL into the calculator, wait for the YouTube API data, and review the total duration, available video count, unavailable count, and average video length.

Manual Method

For short playlists, you can add each visible video duration by hand. This becomes unreliable when the playlist has many videos, hidden items, or mixed hour-long and short videos.

Playback Speed and Ranges

After the original duration is known, divide by playback speed to estimate watch time. Use a range when only part of the playlist matters.

Related tools and guides

YouTube Playlist Length Calculator

Calculate the total length and duration of any YouTube playlist. Paste a playlist URL to see total watch time, video count, average video length, and playback-speed estimates at 1.25x, 1.5x, 1.75x, and 2x.

YouTube Playlist Speed Calculator

See how much time you save when watching a YouTube playlist at 1.25x, 1.5x, 1.75x, 2x, or a custom playback speed.

YouTube Playlist Range Calculator

Calculate the duration of part of a YouTube playlist. Enter a start and end video number to see how long a selected range takes.

FAQ

Does this work with private playlists?

The calculator can only read public playlists that the YouTube Data API can access. Private playlists and removed videos may appear as unavailable or return a clear error.

Is my YouTube API key exposed?

No. The browser calls a Cloudflare Pages Function, and the function reads YOUTUBE_API_KEY from the server environment.

Can I calculate only part of a playlist?

Yes. Use the start and end video range controls to calculate only the videos you plan to watch.

Ready to calculate a playlist?

Paste a public playlist URL and get total duration, watch time, speed savings, daily planning, and CSV export in one workflow.

Open the Calculator