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Reaching 344.9K followers on Instagram, Chris Duffin is a verified Fitness creator. The account has published 4,538 posts, currently less than one post a week. Engagement runs at 1.26%, or about 4,221 likes and 108 comments per post.
Mad_scientist_duffin shows up in the InstME index as a Fitness account, 344.9K followers, 4,538 posts.
For Fitness accounts with 100K–1M followers, Mad_scientist_duffin's 1.26% engagement rate is below the median of 1.82%, a read from 2,038 accounts in the InstME index.
The like-to-comment split is roughly 39 to one, indicating a healthy amount of conversation.
Mad_scientist_duffin's recent cadence works out to less than one post per week.
Mad_scientist_duffin follows only 2,794 accounts while being followed by 344.9K, the lopsided ratio of an established creator or brand.
Estimated sponsored-post value
$1,500–$2,800
Based on 344.9K followers and a 1.26% engagement rate, a single sponsored post by Mad_scientist_duffin is worth an estimated $1,500–$2,800. This is a modeled range, not a quoted rate, actual pricing varies by niche, content format, usage rights and exclusivity.
Audience (estimated)
Est.Predominantly men · mostly 18–34
Typical for Fitness creators, modeled from the niche, not measured for this account.
Content Focus
Primary: Fitness
| Metric | Mad_scientist_duffin | Cohort median |
|---|---|---|
| Engagement rate | 1.26% | 1.82% |
| Average likes | 4,221 | 4,679 |
| Average comments | 108 | 94 |
| Posts per week | 0.34 | 0.3 |
Median values from 2,038 Fitness accounts with 100K–1M followers in the InstME index, refreshed Jul 19, 2026.
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Last reviewed: Apr 23, 2026
Chris Duffin is a verified fitness creator on Instagram, with 344.9K followers.
Chris Duffin posts on Instagram as @mad_scientist_duffin.
Chris Duffin has 344,885 followers on Instagram (344.9K) as of Apr 23, 2026.
Chris Duffin's engagement rate is 1.26%, calculated from average likes and comments per post relative to followers. That is below the median of 1.82% for Fitness accounts with 100K–1M followers in the InstME index.
Posts by Chris Duffin average 4,221 likes and 108 comments.
Chris Duffin posts less than once a week on average.
Chris Duffin is registered as a creator account on Instagram and is verified.
Chris Duffin is categorized as a fitness account in the InstME index, based on the profile's bio and Instagram category across 4,538 posts.
Yes. Chris Duffin carries the blue verified badge on Instagram.
Total Posts
4,538
Avg Comments
108
Engagement
2.29%
A sponsored post from Chris Duffin is estimated at $1,500 to $2,800. This is a model based on audience size and engagement, not a rate card, so real pricing is set by the creator.
