How Long Is a 4 Hour Video at 1.25x Speed?
New duration
3:12:00
3 hours 12 minutes
Time saved
48:00
48 minutes
Percent saved
20.0%
240 min ÷ 1.25 = 192.0 min
Four hours is a short audiobook, a full day of recorded lectures or a long gaming stream. At 1.25x it fits into 3 hours 12 minutes. 1.25x is barely noticeable after a minute or two, so it is the safest choice for dense lectures and anything you need to remember.
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 1.25x Speed
| Original | At 1.25x | Saved |
|---|---|---|
| 15m | 12:00 | 3m |
| 30m | 24:00 | 6m |
| 45m | 36:00 | 9m |
| 1h | 48:00 | 12m |
| 1h 30m | 1:12:00 | 18m |
| 2h | 1:36:00 | 24m |
| 2h 30m | 2:00:00 | 30m |
| 3h | 2:24:00 | 36m |
| 4h | 3:12:00 | 48m |
| 5h | 4:00:00 | 1h |
| 8h | 6:24:00 | 1h 36m |
| 10h | 8:00:00 | 2h |
Which Apps Let You Play at 1.25x?
Supports 1.25x: YouTube, Netflix, Apple Podcasts, Spotify (podcasts), Audible, Udemy, Coursera, VLC.