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Engagement Rate Calculation on Lefty

This article explains how Engagement Rate is calculated on Lefty for each supported social platform.

Written by Abed Tabbara

Engagement Rate by Platform

Platform

Engagement Rate Formula

Instagram (Images & Carousels)

(Likes + Comments + Shares*) / Followers
​View detailed Instagram Engagement Rate formulas

Instagram Reels

(Likes + Comments + Shares*) / Total Views
​View detailed Instagram Engagement Rate formulas

TikTok

(Likes + Comments + Shares) / Views

YouTube

(Likes + Comments) / Followers

Snapchat

(Likes + Comments) / Followers

Facebook

(Likes + Comments + Reshares) / Followers

X (Twitter)

(Likes + Comments + Reshares) / Followers

Weibo

(Likes + Comments + Forwards) / Followers

WeChat

(Likes + Comments + Shares + Wows) / Followers

RED (Xiaohongshu)

(Likes + Comments + Reshares) / Followers

Douyin

(Likes + Comments + Reshares) / Followers


Notes

  1. Shares (*): Included for Instagram only when available via opt-in (authenticated accounts).

  2. Views vs. Followers: To accurately measure virality and actual reach, TikTok and Instagram Reels use Total Views as the baseline denominator. All other platforms use Followers.

  3. Reshares: On Weibo, forwards are equivalent to reshares.

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