6/29/2026

5 Hours at 1.5x Speed = 3 Hours 20 Minutes — Full Guide & Chart

If you are wondering how long a 5-hour audiobook, video course, or podcast takes when played at 1.5x speed, here is the direct answer:

It will take 200 minutes, which is 3 hours and 20 minutes.

That means you save 1 hour and 40 minutes — over 33% of the original time. The calculation is straightforward: divide the original duration by the playback speed.

Below, we will walk through the math, provide a quick lookup table, and show you how to calculate any duration at any speed with our Playback Speed Calculator.

Quick Lookup: Common Durations at 1.5x Speed

This table shows how long popular audiobook and video lengths take when played at 1.5x speed.

Original DurationNew Duration at 1.5x Speed
1 Hour40 Minutes
2 Hours1 Hour 20 Minutes
5 Hours3 Hours 20 Minutes
8 Hours5 Hours 20 Minutes
10 Hours6 Hours 40 Minutes
12 Hours8 Hours

How to Calculate 5 Hours at 1.5x Speed

The formula for calculating time at any playback speed is simple:

New Duration=Original DurationPlayback Speed\text{New Duration} = \frac{\text{Original Duration}}{\text{Playback Speed}}

Let us apply it to 5 hours at 1.5x:

  1. Convert to Minutes: 5 hours = 300 minutes
  2. Apply the Formula: 300 minutes / 1.5 = 200 minutes
  3. Convert Back: 200 minutes = 3 hours and 20 minutes

How Much Time Does 1.5x Speed Save?

At 1.5x playback speed, you save 33% of the total time. For a 5-hour audiobook, that is 1 hour and 40 minutes saved. Over the course of a few audiobooks, the savings become significant:

  • 1 audiobook (5 hours): save 1 hour 40 minutes
  • 3 audiobooks (15 hours): save 5 hours
  • 6 audiobooks (30 hours): save 10 hours

The formula for time saved is:

Time Saved=Original Duration×(11Playback Speed)\text{Time Saved} = \text{Original Duration} \times (1 - \frac{1}{\text{Playback Speed}})

At 1.5x, the multiplier is 1 - 1/1.5 = 0.333, meaning you save one-third of every minute you listen.

Custom Duration? Use the Playback Speed Calculator

What if your audiobook is 5 hours and 45 minutes, or you want to listen at 1.75x speed? Manual calculation gets tedious quickly.

Use the Playback Speed Calculator for any custom combination of hours, minutes, seconds, and speed. It instantly shows the completion time and time saved.

The Complete Time Conversion Chart (1.25x, 1.5x, 1.75x, 2x)

Use this chart to see how common audiobook and video lengths change across different playback speeds.

Original Length1.25x Speed1.5x Speed1.75x Speed2.0x Speed
30 mins24m20m17m 9s15m
40 mins32m26m 40s22m 51s20m
50 mins40m33m 20s28m 34s25m
1 hour48m40m34m 17s30m
2 hours1h 36m1h 20m1h 8m1h
3 hours2h 24m2h1h 42m1h 30m
4 hours3h 12m2h 40m2h 17m2h
5 hours4h3h 20m2h 51m2h 30m
6 hours4h 48m4h3h 25m3h
7 hours5h 36m4h 40m4h3h 30m
8 hours6h 24m5h 20m4h 34m4h
9 hours7h 12m6h5h 8m4h 30m
10 hours8h6h 40m5h 42m5h
11 hours8h 48m7h 20m6h 17m5h 30m
12 hours9h 36m8h6h 51m6h
Time Savings at Different Playback Speeds

Is 1.5x Speed Good for Audiobooks?

Yes! 1.5x is widely considered the sweet spot for audiobook listening. It cuts listening time by a third while maintaining excellent comprehension. Many popular audiobook apps like Audible and Libby include 1.5x as a default speed option for good reason.

If you are new to speed listening, start at 1.2x or 1.25x and gradually work up to 1.5x. Most listeners adjust within a few hours and never go back to normal speed.

For more on optimizing your listening, check out the Audiobook Speed Calculator.

Frequently Asked Questions

How long is a 5-hour audiobook at 1.5x speed?

A 5-hour audiobook at 1.5x speed takes exactly 3 hours and 20 minutes (200 minutes). You save 1 hour and 40 minutes.

Is it hard to listen at 1.5x speed?

Most people adjust within a few hours. Start at 1.25x and gradually increase. Once adapted, comprehension stays high — your brain processes speech faster than most narrators speak.

How much time do I save listening at 1.5x speed?

You save exactly one-third (33%) of the original listening time. For a 5-hour book, that is 1 hour 40 minutes. For every 15 hours of audiobooks, you save 5 hours.

How long is 2 hours at 1.5x speed?

A 2-hour video or audiobook at 1.5x speed takes 1 hour and 20 minutes. See our detailed guide: How Long is 2 Hours at 1.5x Speed?

What about 5 hours at 2x speed?

At 2x speed, 5 hours of content takes exactly 2 hours and 30 minutes — half the original time.

How long is 10 hours at 1.5x speed?

A 10-hour audiobook at 1.5x speed takes approximately 6 hours and 40 minutes. You save 3 hours and 20 minutes.

Conclusion

A 5-hour audiobook or video at 1.5x speed takes 3 hours and 20 minutes. You save 1 hour and 40 minutes — a full third of your listening time.

For any custom duration or speed, bookmark the Playback Speed Calculator or Audiobook Speed Calculator for instant results.