Does playback speed change the answer much?

Linearly: at 1.25× an 11-hour book needs 8.8 hours of clock time; at 1.5×, about 7.3. Over a 40-minute daily commute that's the difference between 17 and 11 days.

Can I use it for podcasts or courses?

Anything with a known total length and a regular listening window works the same way.

Audiobook Commute Planner

How many commutes to finish the book.

Audiobook lengthe.g. 11h 20m or 11:20:00

Listening per day (minutes)Playback speed

Days to finish

listening 40 min/day at 1.25×

Clock time needed

9:04:00

Finish by

2026-08-04 (Tuesday)

Saved by speed

2:16:00

An 11-hour audiobook against a 40-minute commute: how many workdays is that? Enter the book length, your daily listening time, and your playback speed — the planner returns the number of trips and the calendar finish line.

How to use it

1.Enter the audiobook's total length.
2.Enter daily listening time and playback speed.
3.Read the days to finish and the projected finish date.

Questions people ask

Does playback speed change the answer much?: Linearly: at 1.25× an 11-hour book needs 8.8 hours of clock time; at 1.5×, about 7.3. Over a 40-minute daily commute that's the difference between 17 and 11 days.
Can I use it for podcasts or courses?: Anything with a known total length and a regular listening window works the same way.

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