math karat ✓

YouTube @mathkarat6427 Knowledge 📍 Japan

Visit YouTube 💰 Sponsor math karat 🤝 Collab with math karat 🎤 Book Event Appearance ⚔ Compare ☆ Watch Own this channel?

Subscribers

22.3K

🔥 Buzz rank

#45,239 ▼32451

Total Views

4.5M

Videos

320

Channel age

6 yrs

Est. monthly earnings

$57 – $110

How we estimate

~14.6K recent monthly views × an estimated ad RPM of $3.92–$7.56 per 1,000 views — adjusted for Knowledge content and a JP audience. Yearly ≈ $684 – $1.3K. Excludes sponsorships, memberships & merch. Full methodology →

Known for

40.3K views # 270. (★★★) 3次方程式と整数解

23.9K views #278. (★★★) 数Ⅱ（分数関数の最大・最小）

23.3K views #291. (★★) 4次関数と接線

21.3K views #272. (★★) 整数問題（4step数Ⅱ演習10の類題)

▶️ Featured Video

40.3K views

📈 Performance

Typical video

2.9K–7.6K views

Median 4.9K — the reliable floor a brand can expect, not just the headline average.

Upload rhythm

0.5× / week

Most active on Sundays — consistent output keeps an engaged, sponsor-ready audience.

7.2K

Avg views / video

115

Avg likes

Avg comments

1.84%

Engagement rate

0.5

Uploads / week

14.1K

Lifetime avg / video

202

Views / subscriber

Shorts (recent views)

Engagement rate = (likes + comments) ÷ views across recent videos.

💡 Did you know?

🗓️Joined YouTube in 2019 — 6 years ago.

🏆Ranked #7,223 among all influencers on SocialDB.

🎯Top Knowledge influencer — #438 in the niche.

👁️Averages 7.2K views per video.

📤Posts about 0.5× per week.

💬1.84% engagement rate.

📍Based in Japan.

🛡️ Audience credibility

56/100 Fair

Est. 73% real, active audience · Medium fake-follower risk.
Healthy view-through — roughly 32% of subscribers watch each video.
1.84% engagement — below the ~5% typical for this size.

Est. authentic audience

73%

Fake-follower risk

Medium

Heuristic estimate from view-through, engagement vs size and recent growth — a screening signal, not a guarantee.

👥 Audience demographics

Estimated

Modeled from this creator's niche, platform & region — a planning estimate, not connected analytics.

Gender split

Male 51% Female 49%

Age · peak 18-24

13-178%

18-2432%

25-3431%

35-4416%

45+13%

Top geographies

Japan52%
United States14%
United Kingdom6%
India5%

Likely interests

EntertainmentLifestyleTrending

💚 Brand affinity

Estimated

Brands math karat's audience is most likely to respond to — from detected sponsorships in this niche.

Keeps

Nebula

Amazon Affiliate

Patreon

Coinbase

Robinhood

Shopify

Webull

Audible

Brilliant

About

ご視聴ありがとうございます。mathkarat（マスカラット）です。内容は、高校の数学です。
計算が複雑になるものは極力避け、本質の理解を深められるようなシンプルな問題を選んでおります。
また、「次に繋がる１題を」というテーマで進めております。
（★）教科書レベル（★★）基礎（★★★）標準（★★★★）発展（★★★★★）応用

理解のしやすさを優先しているため、動画の解答・解説に不十分と思われる箇所があるかもしれません。
ご理解いただける方のご視聴をお願いいたします。
また、このチャンネルの動画で、不利益を被ることがありましても責任を負いかねます。
ご視聴して下さる皆様に、少しでもお役に立てれば幸いです。
中学・高校教員（数学）免許を所持しております。