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Playback Speed Calculator

Find the new duration when changing playback speed.

Calculated Output

New length 40

Time saved 20

Formula: new length = original / speed

Step-by-Step Breakdown

1. Values used:

2. Original length = 60

3. Playback speed = 1.5 x

5. New length = Original length / Playback speed = 60 / 1.5 = 40

6. Time saved = 20

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The math behind it

new length = original length / speed. At 1.5x, an hour takes 40 minutes.

A 60-minute video at 1.5x takes 40 minutes (saving 20).

Does pitch change?

Most players preserve pitch, so voices stay natural at higher speeds.