The Books Insiderindependent audiobook data
The Friendship Formula: Add great friends, subtract enemies and multiply your happiness by Caroline Millington

The Friendship Formula: Add great friends, subtract enemies and multiply your happiness: Audiobook

According to The Books Insider's catalog data, The Friendship Formula: Add great friends, subtract enemies and multiply your happiness runs 3.2 hours as an unabridged audiobook, narrated by Caroline Millington (about 2.1 hours at 1.5× playback speed).

3.2listening hrs
Self-Developmentstore shelf
2019released
Free for new listeners

The instrument When will you finish it?

Based on 3.2 hours of listening.

Days to finish The Friendship Formula: Add great friends, subtract enemies and multiply your happiness at common listening paces
Your paceYou'll finish in
30 min / day7 days
1 hour / day4 days
2 hours / day2 days
1 hour / day at 1.5×3 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 3.2 hours, it is shorter than 65% of the 26,666 Self-Development audiobooks in our catalog.

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

The Friendship Formula: Add great friends, subtract enemies and multiply your happiness is an audiobook by Caroline Millington: a 3.2-hour unabridged recording, read by Caroline Millington, released November 28, 2019, on the Self-Development shelf.

The listen at a glance

Length
3.2 hrs
Narrated by
Caroline Millington
Released
November 28, 2019
Format
Unabridged audiobook
Language
English
Store shelves
Self-Development
ISBN
9781789549072

How to listen to The Friendship Formula: Add great friends, subtract enemies and multiply your happiness free

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Questions listeners ask

How long is The Friendship Formula: Add great friends, subtract enemies and multiply your happiness as an audiobook?

The Friendship Formula: Add great friends, subtract enemies and multiply your happiness runs 3.2 hours unabridged. At 1.5× speed that drops to roughly 2.1 hours.

Is The Friendship Formula: Add great friends, subtract enemies and multiply your happiness free as an audiobook?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates The Friendship Formula: Add great friends, subtract enemies and multiply your happiness?

The Friendship Formula: Add great friends, subtract enemies and multiply your happiness is narrated by Caroline Millington.