Christopher Lum
@christopherlum • Joined September 2, 2010
Subscribers 88,723 | Views 14,227,507 | Videos 427
Sub 88.7K | View 14.2M | Video 427
At a glance
Subscribers
Last 28 days88.7K
+500 (+0.6%)
Views
Last 28 days14.2M
+111K (+0.8%)
Videos
Last 28 days427
— No change
Charts
Subscribers, views & videos over time
Tap on chart to see values
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Subscribers gained (weekly) · 6 mo
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Views gained (weekly) · 6 mo
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Subs milestone changes (up to 30)
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Views milestone changes (up to 30)
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Engagement
Avg. views per video
33.3K
Total views ÷ total videos
Views per subscriber
160×
Total views ÷ subscribers
Subs per video
208
Subscribers ÷ total videos
Revenue estimate
Details →Total (all-time): $9.96K – $28.4K
Daily avg.: $3 – $8
Weekly avg.: $20 – $56
Last 28 days: $78 – $223
Based on estimated $0.7–$2 CPM.
Analytics tables
Analytics Table:Christopher Lum
| Date | subscribers | views | videos |
|---|---|---|---|
Jul 28, 2026 Jul 28 Tue | 88.7K +200 | 14.2M +20.5K | 427 -- |
Jul 20, 2026 Jul 20 Mon | 88.5K +100 | 14.1M +28.2K | 427 -- |
Jul 13, 2026 Jul 13 Mon | 88.4K +100 | 14.1M +28.7K | 427 -- |
Jul 6, 2026 Jul 6 Mon | 88.3K +100 | 14.1M +29.9K | 427 -- |
Jun 29, 2026 Jun 29 Mon | 88.2K +200 | 14.1M +29.7K | 427 -- |
Jun 22, 2026 Jun 22 Mon | 88.0K +100 | 14.0M +30.8K | 427 -- |
Jun 15, 2026 Jun 15 Mon | 87.9K +100 | 14.0M +27.3K | 427 -- |
Jun 14, 2026 Jun 14 Sun | 87.8K +100 | 14.0M +30.6K | 427 -- |
Jun 1, 2026 Jun 1 Mon | 87.7K +200 | 13.9M +30.8K | 427 -- |
May 25, 2026 May 25 Mon | 87.5K -- | 13.9M -- | 427 -- |
Subscribers gained (weekly)
| Week | Subscribers gained | Change vs prev |
|---|---|---|
Feb 2, 2026 | 200 | +200 |
Feb 9, 2026 | 100 | -100 |
Feb 16, 2026 | 200 | +100 |
Feb 23, 2026 | 100 | -100 |
Mar 2, 2026 | 200 | +100 |
Mar 9, 2026 | 100 | -100 |
Mar 17, 2026 | 100 | -- |
Mar 23, 2026 | 100 | -- |
Mar 30, 2026 | 200 | +100 |
Apr 6, 2026 | 100 | -100 |
Apr 13, 2026 | 200 | +100 |
Apr 20, 2026 | 200 | -- |
Apr 27, 2026 | 100 | -100 |
May 4, 2026 | 100 | -- |
May 11, 2026 | 200 | +100 |
May 18, 2026 | 100 | -100 |
Views gained (weekly)
| Week | Views gained | Change vs prev |
|---|---|---|
Jan 31, 2026 | 5.15K | -- |
Feb 2, 2026 | 37.0K | +31.9K |
Feb 9, 2026 | 35.2K | -1.83K |
Feb 16, 2026 | 35.2K | +36 |
Feb 23, 2026 | 34.9K | -340 |
Mar 2, 2026 | 33.5K | -1.38K |
Mar 9, 2026 | 33.6K | +122 |
Mar 17, 2026 | 33.9K | +328 |
Mar 23, 2026 | 31.3K | -2.69K |
Mar 30, 2026 | 41.3K | +10.0K |
Apr 6, 2026 | 33.9K | -7.40K |
Apr 13, 2026 | 37.4K | +3.54K |
Apr 20, 2026 | 37.3K | -129 |
Apr 27, 2026 | 29.6K | -7.67K |
May 4, 2026 | 28.5K | -1.17K |
May 11, 2026 | 33.0K | +4.52K |
About
Educational videos and tutorials covering optimization, control theory, mathematics, computer tools (Matlab/Simulink, Mathematica, Blender, etc.), unmanned aerial systems, and general engineering.
- Handle
- @christopherlum
- Joined
- September 2, 2010
More features coming
We're working on new analytics and tools. Stay tuned.
More features coming
We're working on new analytics and tools. Stay tuned.