Unequal: The Math of When Things Do and Don't Add Up: Audiobook
According to The Books Insider's catalog data, the Unequal: The Math of When Things Do and Don't Add Up audiobook runs 12.9 hours unabridged, narrated by Eugenia Cheng (about 8.6 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 12.9 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 26 days |
| 1 hour / day | 13 days |
| 2 hours / day | 7 days |
| 1 hour / day at 1.5× | 9 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 12.9 hours, it runs longer than 90% of the 4,248 Lessons in Philosophy audiobooks in our catalog.
About as long, on the Lessons in Philosophy shelf
229 Lessons in Philosophy audiobooks in our catalog run within 10% of this length. The most popular on the store:
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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
Unequal: The Math of When Things Do and Don't Add Up is an audiobook by Eugenia Cheng: a 12.9-hour unabridged recording, read by Eugenia Cheng, released September 2, 2025, on the Lessons in Philosophy and Non-Fiction shelves.
The listen at a glance
- Length
- 12.9 hrs
- Narrated by
- Eugenia Cheng
- Released
- September 2, 2025
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Lessons in Philosophy, Non-Fiction
- ISBN
- 9781668652213
How to listen to Unequal: The Math of When Things Do and Don't Add Up free
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Start listening freeQuestions listeners ask
How long is the Unequal: The Math of When Things Do and Don't Add Up audiobook?
Unequal: The Math of When Things Do and Don't Add Up runs 12.9 hours unabridged. At 1.5× speed that drops to roughly 8.6 hours.
Is the Unequal: The Math of When Things Do and Don't Add Up audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Unequal: The Math of When Things Do and Don't Add Up?
Unequal: The Math of When Things Do and Don't Add Up is narrated by Eugenia Cheng.
Is Unequal: The Math of When Things Do and Don't Add Up worth listening to at 1.5× speed?
At 1.5× you'd finish in about 8.6 hours, saving 4.3 hours.