Playback Speed Calculator

Free online playback speed calculator-calculate the adjusted time with the given playback speed (1.25, 1.5, 1.75, 2) and the total time length of video and podcast.

Adjusted Duration
Time Saved
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What is playback speed?

Playback speed is the ratio between the original content of a video or podcast time duration and desired duration of the content.

Playback speed formula


  • PBS = Playback speed
  • TTD = Total time duration
  • AT = Adjusted time

How to calculate playback speed?

Example:- let’s say the original content of a podcast video has a duration of 110 minutes, and you want to playback the content in 45 minutes.

Playback Speed = 110 minutes / 45 minutes = 2.45

This means you would need to play the content podcast video at 2.45 speed to fit into desired content.

Playback speed table

Playback speed table for adjusted speed at 1.25, 1.5 and 1.75

Duration1.25 speed1.5 speed1.75 speed
10 minutes8 minutes6 minutes5 minutes, 42 seconds
20 minutes16 minutes13 minutes11 minutes, 25 seconds
30 minutes24 minutes20 minutes17 minutes, 8 seconds
40 minutes32 minutes26 minutes, 40 seconds22 minutes, 51 seconds
50 minutes40 minutes33 minutes, 20 seconds28 minutes, 34 seconds
1 hour48 minutes40 minutes34 minutes, 17 seconds


How long is a 3 hours video at 1.5 speed?

3 hours long video play if 1.5 speed then take 2 hours

How long is a 3 hours video at 1.75 speed?

3 hours long video play if 1.75 speed then takes 1 hours, 42 minutes, 51 seconds(1:42:51)

How long is a 50 minute video at 1.5 speed?

50 minute long video play iat 1.5 speed then takes 33 minutes, 20 seconds

How long will a 2 hour video take at 1.5 speed?

The original duration of the video: 2 hours
Playback speed: 1.5x
To calculate the new duration:
2 hours / 1.5 = 1.33 hours
Converting 1.33 hours to minutes:
1.33 hours * 60 minutes/hour = 80 minutes
Therefore, watching a 2-hour video at 1.5x speed will take approximately 1 hour and 20 minutes. and you saved time 40 minutes.

How to use this playback speed calculator?

Simple used of playback speed calculator – just enter the actual length of the video in hours, minutes and seconds and enter the playback speed (eg:- 1.25, 1.5, 1.75, 2, 2.15, 2.25, 2.5 ..) then click calculate button you get the adjusted duration and time saved.

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