Data updated: July 2026
Dr Karl Kruszelnicki ✓
@doctor_karl · Instagram · AU · science
About Dr Karl Kruszelnicki
@doctor_karl's followers & following
@doctor_karl currently has 283,023 followers on Instagram and follows 21 accounts, a follower-to-following ratio of 13,477.29. That places the account in the mid tier of science creators.
@doctor_karl's content
@doctor_karl has published 992 posts to date, working across long-form-video, reels, static-posts, stories. The account's content is classified under science, science, books. Bio: “Australian science broadcaster & author. A Periodic Tale: My Sciencey Memoir (2024) I do not endorse any commercial products.”
AI quality check on @doctor_karl
Zaver's AI analyzed this account across 20+ parameters before listing it publicly. No blocking issues were detected in our standard screening.
- Audience location & demographics
- Engagement quality & authenticity
- Follower growth patterns
- Signs of purchased followers
- Content niche classification
- Brand safety screening
- Posting activity & consistency
- Language & audience fit
@doctor_karl's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@doctor_karl's audience
Audience snapshot
50% male · 50% female
Core age group35-44
Collaboration pricing
Price tierPremium
Get the AI fair-price estimate → free trialWhich brands fit Dr Karl Kruszelnicki?
Frequently asked questions
How many Instagram followers does @doctor_karl have?
As of July 2026, @doctor_karl has 283,023 followers (283K) on Instagram, follows 21 accounts, and has published 992 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @doctor_karl?
Verified contact details for @doctor_karl — including business email where available — are held in Zaver, alongside contacts for 77M+ other Instagram creators. Zaver users can unlock them instantly and reach out with AI-personalized outreach. Unlock @doctor_karl's contact info — free trial →
How much does @doctor_karl charge for a sponsored post?
@doctor_karl sits in the premium price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing. Get the AI fair-price estimate →
What is @doctor_karl's net worth?
@doctor_karl's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 283K followers and a premium price tier in science, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @doctor_karl have fake followers?
Zaver's AI authenticity check scores @doctor_karl 99/100, based on 20+ signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience. Run the full authenticity check →
Who follows @doctor_karl?
@doctor_karl's 283K followers skew 50% male / 50% female, core age group 35-44. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @doctor_karl's report on Zaver.
Which influencers are similar to @doctor_karl?
Zaver lists comparable science creators in Australia in the "Influencers like @doctor_karl" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 1,307 vetted science creators with plain-English queries.
