How Long Is a 4 Hour Video at 1.5x Speed?
New duration
2:40:00
2 hours 40 minutes
Time saved
1:20:00
1 hour 20 minutes
Percent saved
33.3%
240 min ÷ 1.5 = 160.0 min
Four hours is a short audiobook, a full day of recorded lectures or a long gaming stream. At 1.5x it fits into 2 hours 40 minutes. 1.5x is the most popular speed-up: speech still sounds natural and you cut a full third of the runtime.
Only have less time than that? Use the speed needed calculator to find the exact speed that fits your window, or paste a link into the YouTube playlist length calculator to total a whole course.
4 Hour Video at Every Speed
| Speed | New duration | Time saved | % saved |
|---|---|---|---|
| 1x | 4:00:00 | — | 0% |
| 1.25x | 3:12:00 | 48m | 20% |
| 1.5x | 2:40:00 | 1h 20m | 33% |
| 1.75x | 2:17:09 | 1h 42m 51s | 43% |
| 2x | 2:00:00 | 2h | 50% |
| 2.5x | 1:36:00 | 2h 24m | 60% |
| 3x | 1:20:00 | 2h 40m | 67% |
Other Lengths at 1.5x Speed
| Original | At 1.5x | Saved |
|---|---|---|
| 15m | 10:00 | 5m |
| 30m | 20:00 | 10m |
| 45m | 30:00 | 15m |
| 1h | 40:00 | 20m |
| 1h 30m | 1:00:00 | 30m |
| 2h | 1:20:00 | 40m |
| 2h 30m | 1:40:00 | 50m |
| 3h | 2:00:00 | 1h |
| 4h | 2:40:00 | 1h 20m |
| 5h | 3:20:00 | 1h 40m |
| 8h | 5:20:00 | 2h 40m |
| 10h | 6:40:00 | 3h 20m |
Which Apps Let You Play at 1.5x?
Supports 1.5x: YouTube, Netflix, Apple Podcasts, Spotify (podcasts), Audible, Udemy, Coursera, VLC.