Protagoras: Audiobook
According to The Books Insider's catalog data, the Protagoras audiobook runs 3.3 hours unabridged, narrated by Kevin Johnson (about 2.2 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 3.3 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 7 days |
| 1 hour / day | 4 days |
| 2 hours / day | 2 days |
| 1 hour / day at 1.5× | 3 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 3.3 hours, it is shorter than 76% of the 39,028 Non-Fiction audiobooks in our catalog.
More narrated by Kevin Johnson
Kevin Johnson narrates 5 unabridged audiobooks in our catalog, 14 hours in all.
About as long, on the Non-Fiction shelf
1,781 Non-Fiction audiobooks in our catalog run within 10% of this length. The most popular on the store:
Other recordings
- The 2023 recording read by George Easton runs 0.7 hours shorter (2.5 hours).
Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.
About this listen
Protagoras is an audiobook by Plato: a 3.3-hour unabridged recording, read by Kevin Johnson, released February 16, 2015, on the Non-Fiction shelf.
The listen at a glance
- Length
- 3.3 hrs
- Narrated by
- Kevin Johnson
- Released
- February 16, 2015
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Non-Fiction
How to listen to Protagoras free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is the Protagoras audiobook?
Protagoras runs 3.3 hours unabridged. At 1.5× speed that drops to roughly 2.2 hours.
Is the Protagoras audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Protagoras?
Protagoras is narrated by Kevin Johnson.