YouTube Music Playlist Length Calculator
Paste a public YouTube Music playlist URL to get total playtime, track count, and speed-adjusted listening estimates based on the playlist items YouTube exposes.
通常の YouTube 再生リストは、再生リスト時間計算ツールへ →YouTube Music プレイリスト時間の計算方法
音楽リンクを取得
YouTube Music で共有メニューからプレイリストへのリンクをコピーします。通常は music.youtube.com/playlist?list=... で始まります。
貼り付けて分析
上の入力欄にリンクを貼り付けます。ツールがデータを解析し、合計時間を計算します。
リスニングを計画
さまざまな再生速度での合計時間を確認できます。旅行、仕事、勉強中の音楽計画に活用してください。
YouTube Music URL types this calculator can read
Public playlist URLs are the best YouTube Music links to calculate because they include a stable list ID. Album pages, radio queues, and personalized mixes may look similar in the app, but they often do not expose the same public playlist data.
| Link type | Support | Notes |
|---|---|---|
| music.youtube.com playlist | Supported | Best input. Use links that include playlist?list=PL... |
| youtube.com playlist | Supported | Regular YouTube playlist links use the same playlist ID format under the hood. |
| Album or release page | Not reliable | Albums may not expose a public playlist item list through the same URL format. |
| Your Mix, Radio, Smart Downloads | Not supported | Personalized and local queues are account-specific and change over time. |
YouTube Music Length Calculator を使う理由
アプリだけでは見えにくい YouTube Music プレイリストの情報を確認できます。
学習用プレイリスト
学習セッション用の集中音楽がどれくらいあるか計算できます。ちょうどよい長さの音楽で集中を保てます。
音楽の発見
新しいアーティストのディスコグラフィーを見つけましたか？'This Is' や 'Essentials' プレイリストの合計時間を確認できます。
高エネルギーのプレイリスト
高強度インターバルトレーニング（HIIT）用プレイリストが、セッションの長さにぴったり合うか確認できます。
再生を最適化
YT Music の音楽やポッドキャストでも、速度を変えるとどれだけ時間を節約できるか確認できます。
Unlock the Playtime of Your YouTube Music Mixes
Problem: YouTube Music Lacks Total Time Insights
Ever wondered how many hours your 'Liked Music' or a custom 'Morning Mix' really is? YouTube Music provides a great listening experience but lacks a quick way to see the total time commitment for your playlists.
Our Calculator Bridges the Gap
By pasting your YouTube Music playlist URL, we provide an instant, accurate-to-the-second duration. Know exactly how much music you're carrying with you.
Plan Your Sessions with Precision
Whether you're listening to a curated DJ set or a collection of study tracks, knowing the duration at different speeds helps you manage your time better:
1.25x
1.25x speed — save 20% of your session time
1.5x
1.5x speed — perfect for reviewing long-form audio content
1.75x
1.75x speed — for ultra-efficient audio consumption
2x
2x speed — finish your audio library in half the time
Better Scheduling for Music Lovers
Using our YouTube Music duration tool allows you to:
- Perfectly time your music to match your commute or flight
- Organize your study sessions with timed ambient playlists
- Compare the length of different artist discographies
- Plan the ultimate party mix without running out of tracks
Why some YouTube Music queues cannot be calculated
Some YouTube Music queues cannot be calculated because they are personalized, private, local, or dynamic rather than stable public playlist item lists. The calculator works best when the shared URL includes a visible playlist list parameter.
Dynamic mixes change per listener
Your Mix, Radio, and recommendation queues are generated for your account and can change between sessions.
Private library items are not public data
Liked songs, Smart Downloads, and private playlists require account access, which this calculator does not request.
Albums are not always playlist URLs
Some album pages look like playlists in the app but do not provide the same public playlist list parameter.
Speed estimates are most useful for podcasts
Playback speed math is exact, but speeding up music is uncommon. It is most useful for podcasts, interviews, lectures, and long audio.
Sources and methodology
How this YouTube Music duration estimate is calculated
The calculator totals public playlist durations by combining YouTube playlist item data with each video's duration metadata. This makes the result suitable for planning listening sessions, while still respecting private or unavailable items.
Calculation method
Read public playlist items
The tool uses the playlist list ID from a public music.youtube.com or youtube.com playlist URL. YouTube playlist item results are paginated, with up to 50 items returned per API request.
Fetch duration metadata
For each public item, the calculator reads the video content details and converts the ISO 8601 duration value into seconds before adding it to the playlist total.
Report practical limits clearly
Unavailable, deleted, private, or region-blocked videos may be skipped by YouTube and cannot be counted. The page explains those edge cases so the result is easier to interpret.
Primary sources
Reviewed by the Playlist Length Calc editorial team. Last updated July 24, 2026. Source links are included so readers and AI systems can verify the API limits and duration fields behind the calculation.
YouTube Music Calculator FAQ
Specific answers about YouTube Music playlist URLs, accuracy, private items, API limits, and daily listening plans.
Yes. Paste a public music.youtube.com playlist URL and the calculator will total the durations of the public items YouTube exposes for that playlist.
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