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Playback Speed Calculator (1.25x, 1.5x, 1.75x) / Tool

Play time
h
m
s
Viewing time by playback speed
Playback speedViewing time
2x00:00:00
1.75x00:00:00
1.5x00:00:00
1.25x00:00:00
1x00:00:00
0.75x00:00:00
0.5x00:00:00
0.25x00:00:00
x
00:00:00

How to use this tool

This tool calculates the viewing time of videos and other media by playback speed.

  • Enter the length of the original video and it will automatically calculate the viewing time for each playback speed.
  • Calculation results are rounded to the nearest millisecond.

How to calculate viewing time

Viewing time = Play time / Playback speed

e.g. Play time = 2 h (7200 s)

1.25x

7200 / 1.25 = 5760 s
5760 / 60 / 60 = 1 mod 2160 = 1 h
2160 / 60 = 36 mod 0 = 36 m 0 s
= 01:36:00

1.5x

7200 / 1.5 = 4800 s
4800 / 60 / 60 = 1 mod 1200 = 1 h
1200 / 60 = 20 mod 0 = 20 m 00 s
= 01:20:00

1.75x

7200 / 1.75 = about 4114 s
4114 / 60 / 60 = 1 mod 514 = 1 h
514 / 60 = 8 mod 34 = 8 m 34 s
= 01:08:34