Audiobook Speed Calculator
Audiobooks often run 10 to 20 hours. Enter the length shown in your app and your listening speed. Add how many minutes you listen per day to get the number of days to finish.
Result
Time at this speed–
Time saved–
Days to finish–
Finish date–
Quick reference
| Length | 1.25x | 1.5x | 1.75x | 2x |
|---|---|---|---|---|
| 5 h | 4 h | 3 h 20 min | 2 h 51 min | 2 h 30 min |
| 8 h | 6 h 24 min | 5 h 20 min | 4 h 34 min | 4 h |
| 10 h | 8 h | 6 h 40 min | 5 h 42 min | 5 h |
| 12 h | 9 h 36 min | 8 h | 6 h 51 min | 6 h |
| 15 h | 12 h | 10 h | 8 h 34 min | 7 h 30 min |
| 20 h | 16 h | 13 h 20 min | 11 h 25 min | 10 h |
Questions
How long is a 12-hour audiobook at 1.5x?
8 hours. 12 ÷ 1.5 = 8.
What speeds do audiobook apps allow?
Many apps go from 0.5x up to 3x or 3.5x. Check your app's speed menu.
Is faster listening worse for understanding?
It depends on the listener and the material. Many people find 1.25x to 1.5x comfortable for familiar topics.