Martijn Kaars runs a Fitness brand account with 9.9K followers on Instagram. Content spans fitness and art. Martijn Kaars has shared 114 posts to date, currently less than one post a week. Engagement runs at 76%, or about 7,402 likes and 108 comments per post.
Martijnkaars is a Fitness account whose 114 posts have grown a following of 9.9K on Instagram.
Compared with 5,196 other Fitness accounts with 1K–10K followers in the InstME index, Martijnkaars's 76% engagement rate is in the top quarter (median: 5.26%).
The comment-to-like ratio works out to one comment per 69 likes, pointing to an audience that mostly engages through likes.
Recent posting activity averages less than one post per week.
Estimated sponsored-post value
$140–$260
Based on 9.9K followers and a 76% engagement rate, a single sponsored post by Martijnkaars is worth an estimated $140–$260. 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
Secondary: Art
| Metric | Martijnkaars | Cohort median |
|---|---|---|
| Engagement rate | 76% | 5.26% |
| Average likes | 7,402 | 145 |
| Average comments | 108 | 11 |
| Posts per week | 0.55 | 0.25 |
Median values from 5,196 Fitness accounts with 1K–10K followers in the InstME index, refreshed Jul 19, 2026.
Get advanced audience quality signals, growth trend analytics, historical snapshots, and top-performing content patterns.
No credit card needed
Last reviewed: Jul 10, 2026
Martijn Kaars is a fitness brand on Instagram, with 9.9K followers.
Martijn Kaars posts on Instagram as @martijnkaars.
Martijn Kaars has 9,881 followers on Instagram (9.9K) as of Jul 10, 2026.
Martijn Kaars's engagement rate is 76%, calculated from average likes and comments per post relative to followers. That is in the top quarter (median: 5.26%) for Fitness accounts with 1K–10K followers in the InstME index.
Posts by Martijn Kaars average 7,402 likes and 108 comments.
Martijn Kaars posts less than once a week on average.
Martijn Kaars is registered as a business account on Instagram.
Martijn Kaars is categorized as a fitness and art account in the InstME index, based on the profile's bio and Instagram category across 114 posts.
A sponsored post from Martijn Kaars is estimated at $140 to $260. This is a model based on audience size and engagement, not a rate card, so real pricing is set by the creator.
Avg Comments
108
Engagement
58.07%
