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Marc Yam✓ Add us as a preferred source on Google

YouTube @marcyam Knowledge 📍 Hong Kong

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Make a deal with Marc Yam

🔒 Paid proposals held safely in escrow — released only when the work's approved.

Subscribers

47.2K

Total Views

7.7M

Videos

196

Channel age

14 yrs

Known for

77.7K views [邊個話要Drop Physics既同我入黎] 四個關於Drop科既錯誤觀念

55.5K views [DSE Physics] Heat 熱

48.5K views [DSE Physics] Temperature and Thermometers 溫度與溫度計

48.3K views [DSE Physics] Latent Heat 潛熱

▶️ Featured Video

77.7K views

📈 Growth momentum

Growing steadily

Subscribers · last 30 days

+500 +1.07%

A steady, established audience.

Last 7 days

+100

The most recent week — the freshest read on where subscriber growth is heading.

🎯 Reach quality

Subscriber activation · Exceptional

53.4%

Share of subscribers who watch a typical recent video (avg views ÷ subscribers) — the real reach behind the subscriber count, and a quick check on whether those subscribers are still active rather than a vanity number.

Recent vs all-time

-36%

Recent videos average 25.2K vs an all-time 39.2K/video — recent uploads run below the all-time norm — much of the lifetime views sit in an older catalogue.

Reach consistency · Consistent

62/100

How steady views are across recent videos (typically 12.1K–35.4K) — a predictable floor a sponsored video can count on.

📈 Performance

Typical video

12.1K–35.4K views

Median 23.9K — the reliable floor a brand can expect, not just the headline average.

Upload rhythm

0.2× / week

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

25.2K

Avg views / video

578

Avg likes

Avg comments

0.2

Uploads / week

39.2K

Lifetime avg / video

163

Views / subscriber

Shorts (recent views)

🗓️ Posting schedule

Most uploads land on Saturdays · about 0.2 / week — time a launch or drop to ride the channel's own rhythm.

▶️ Top videos

✓ Official stats

Recent uploads · views

Oct 2024latest

💡 Facts

🗓️Joined YouTube in 2011 — 14 years ago.

🏆Ranked #36,378 among all influencers on SocialDB.

🎯Top Knowledge influencer — #2,071 in the niche.

👁️Averages 25.2K views per video.

📤Posts about 0.2× per week.

🚀Gained 100 subscribers in the last 7 days.

📍Based in Hong Kong.

💚 Brand affinity

Estimated

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

Keeps

Nebula

Shopify

Coinbase

Robinhood

Fiverr

NordVPN

Incogni

Brilliant

Webull

About

希望大家開開心心咁學物理。 💻 Online補習平台： https://tutorial.marcyam.com 🎯私補課程： https://forms.gle/Z2sZEkFGVxQqB3mi8 ✏️出版著作：《HKDSE Physics Success Guide & Exercises》 ____________________ Marc Yam 👨🏻‍🎓 香港中文大學物理系+教育文憑主修物理 👨🏻‍🏫 十多年香港及英國日校教學經驗 📚 物理參考書作者 ____________________ Instagram：https://www.instagram.com/marc_yam/

📸 Gallery

Recent videos

Winter Sir x Marc Yam｜中三選科反詐騙吹水會｜十大選科迷思｜Physics Chemistry 點樣伏法？

3.5K views · 4 months ago

[DSE Physics] Mass-Energy Relationship 質能關係

5.1K views · 5 months ago

[DSE Physics] Nuclear Fission and Fusion 核裂變與核聚變

4.9K views · 6 months ago

[DSE Physics] Uses of Radionuclides 放射性核素的應用

5.3K views · 6 months ago

[DSE Physics] Radiation Safety 輻射安全

6.4K views · 7 months ago

[DSE Physics] Decay Constant and Half Life 衰變常數與半衰期

4.8K views · 11 months ago

[DSE Physics] Radioactive Decay Law 放射衰變定律

8.2K views · 1 year ago

[DSE Physics] Nuclides and Isotopes 核素與同位素

12.1K views · 1 year ago

[DSE Physics] Radioactive Decay 放射衰變

7K views · 1 year ago

[DSE Physics] Detection of Radiations 輻射的觀察

9.3K views · 1 year ago

[DSE Physics] Nuclear Radiation 核輻射

13.1K views · 1 year ago

[DSE Physics] Radiation 輻射

23.2K views · 2 years ago

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47.2K Subscribers

🏆 Awards & milestones

Next: 🥈 Silver Play Button — 52.8K subscribers to go

🛡️ Brand safety

✅Brand-safe90/100

✓ Verified / Partner account
✓ Established channel (14+ yrs)
✓ Healthy engagement (real audience)

A heuristic signal for brands from public data & recent titles — not a moderation verdict.

Rankings

Overall (YouTube)#36,378

in Knowledge#2,071

in HK#81

Among influencers tracked on SocialDB.

Growth

Last 30 days+500 (+1.07%)

Last 7 days+100

Subscribers trend

First trackedJun 2026

Details

PlatformYouTube

CategoryKnowledge

CountryHK

JoinedOct 2011 · 14 yrs

Subscribers47,200

Total views7,677,340

Videos196

Updated1 day ago

Find them on

Links

youtube.com/@marcyam

Frequently asked questions

How much does Marc Yam charge for a sponsorship?

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How many subscribers does Marc Yam have?

Marc Yam has 47,200 subscribers on YouTube.

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Marc Yam✓ Add us as a preferred source on Google

Make a deal with Marc Yam

Known for

▶️ Featured Video

📈 Growth momentum

🎯 Reach quality

📈 Performance

🗓️ Posting schedule

▶️ Top videos

💡 Facts

💚 Brand affinity

About

📸 Gallery

Recent videos

More like this

Frequently asked questions

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