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YouTube Playlist Length Calculator

Calculate the total length of any YouTube playlist and see how long it takes at different playback speeds. Free, no login.

Supports: youtube.com/playlist?list=PL… · full playlist URL

Overview

Know how long a playlist really runs

Paste a public playlist URL (youtube.com/playlist?list=…), a watch link that includes &list=PL…, or a raw PL… playlist ID. We add up every video duration from the YouTube Data API and show total runtime, video count, and average length per video—with a Watch at speed grid from 0.75× to 2× so you can plan a course, study block, or binge at your real playback pace.

Each lookup processes up to 200 videos, which covers most courses, tutorial series, and curated lists. Private, deleted, or otherwise unavailable entries are skipped, so totals reflect public metadata only and may differ slightly from the count YouTube displays on the playlist page.

Features

Playlist Data at a Glance

A quick read on total length, per-video averages, and how duration shifts at each playback speed.

Total duration

Key
Total

The sum of all video lengths in the playlist, displayed in hours, minutes and seconds. The definitive answer to "how long will this take?"

Avg per video

Avg

Total duration divided by video count. Useful for comparing playlist density — a 10-hour playlist with 5 videos is very different from one with 50.

Video count

Count

The total number of videos in the playlist at the time of the check. Private or deleted videos in the list are excluded from the count.

Speed table

×speed

Duration at 0.75×, 1×, 1.25×, 1.5×, 1.75×, and 2× playback speed, so you can plan exactly how long a course or series will take at your preferred pace.

How to Use

Calculate Total Playlist Length in Seconds

01

Paste the playlist URL

Copy a YouTube playlist URL (youtube.com/playlist?list=PL…) and paste it above.

02

Hit Calculate Length

The tool fetches all video durations from the YouTube API and sums them.

03

Pick your speed

Check the speed table to see how long the playlist takes at your preferred playback rate.

Use Cases

Why People Calculate Playlist Length

Course planning

Know exactly how many hours a YouTube course or tutorial series requires before committing to it.

Study scheduling

Divide total playlist length by your available daily study time to create a realistic completion schedule.

Binge watching

Plan a weekend binge of a YouTube series by knowing upfront whether it is a 3-hour or a 12-hour commitment.

Speed watching

See the time saved at 1.5× or 2× speed before switching — useful for deciding whether to speed through a long lecture series.

Content audits

Editors and producers use playlist length to estimate how much raw material exists in a series before repurposing it.

Reporting

Include total playlist duration in course syllabi, event schedules, or content briefs to set accurate time expectations.

FAQ

Frequently Asked Questions

How many videos can this tool handle?

The tool processes up to 200 videos per playlist. Most public playlists fall well within this limit.

Why does the count differ from the playlist page?

Private or deleted videos still appear in a playlist but are excluded from the duration calculation since their metadata is inaccessible.

Does this work with YouTube channel playlists?

Yes, as long as the playlist has a PL… ID. Automatically generated channel playlists (UU…) are not supported as they can contain thousands of videos.

Are the speed calculations accurate?

Yes. The tool divides the total duration in seconds by the speed multiplier and converts back to hours, minutes and seconds.

Can I calculate the length of my watch later list?

No. Watch Later is a private playlist and is not accessible via the public API.