Playback speed calculator
Calculate playback time instantly
Enter a video, podcast, course, or audiobook length. Pick a speed. Get the new duration and time saved without pressing a calculate button.
Playback Speed Calculator
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Playback speed
At 1.5x speed, 2h 30m 0s becomes 1h 40m 0s. You save 50m 0s.
Common speeds
Mainstream playback speeds
Most people compare 1.25x, 1.5x, 1.75x, 2x, 2.5x, and 3x. Use the short table below for a quick view, then adjust the custom speed if your player uses a different value.
| Speed | Duration | Time saved |
|---|---|---|
| 1.25x | 2h 0m 0s | 30m 0s |
| 1.5x | 1h 40m 0s | 50m 0s |
| 1.75x | 1h 25m 43s | 1h 4m 17s |
| 2x | 1h 15m 0s | 1h 15m 0s |
| 2.5x | 1h 0m 0s | 1h 30m 0s |
| 3x | 50m 0s | 1h 40m 0s |
What is a playback speed calculator?
It converts the original length of an audiobook, podcast, online course, or video into the actual time it takes at a faster or slower playback speed.
How the formula works
New duration equals original duration divided by playback speed. A 60 minute podcast at 1.5x takes 40 minutes, saving 20 minutes.
FAQ
Common questions
How long is 1 hour at 1.5x speed?
One hour at 1.5x speed takes 40 minutes, saving 20 minutes.
How long is a 2-hour video at 2x speed?
A 2-hour video at 2x speed takes exactly 1 hour, saving a full hour.
Does this work for podcasts and audiobooks?
Yes. The same formula works for videos, courses, podcasts, and audiobooks.