Christopher Lum
@christopherlum • Joined September 2, 2010
Subscribers 87,821 | Views 14,031,121 | Videos 427
Sub 87.8K | View 14.0M | Video 427
At a glance
Subscribers
Last 29 days87.8K
+500 (+0.6%)
Views
Last 29 days14.0M
+132K (+1.0%)
Videos
Last 29 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
32.8K
Total views ÷ total videos
Views per subscriber
160×
Total views ÷ subscribers
Subs per video
206
Subscribers ÷ total videos
Revenue estimate
Details →Total (all-time): $9.82K – $28.0K
Daily avg.: $3 – $9
Weekly avg.: $22 – $64
Last 29 days: $93 – $265
Based on estimated $0.7–$2 CPM.
Analytics tables
Analytics Table:Christopher Lum
| Date | subscribers | views | videos |
|---|---|---|---|
Jun 15, 2026 Jun 15 Mon | 87.8K -- | 14.0M +4.17K | 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 +100 | 13.9M +30.6K | 427 -- |
May 18, 2026 May 18 Mon | 87.4K +100 | 13.9M +36.1K | 427 -- |
May 11, 2026 May 11 Mon | 87.3K +200 | 13.8M +33.0K | 427 -- |
May 4, 2026 May 4 Mon | 87.1K +100 | 13.8M +28.5K | 427 -- |
Apr 27, 2026 Apr 27 Mon | 87.0K +100 | 13.8M +29.6K | 427 -- |
Apr 20, 2026 Apr 20 Mon | 86.9K +200 | 13.8M +37.3K | 427 -- |
Apr 13, 2026 Apr 13 Mon | 86.7K -- | 13.7M -- | 427 -- |
Subscribers gained (weekly)
| Week | Subscribers gained | Change vs prev |
|---|---|---|
Dec 1, 2025 | 200 | +200 |
Dec 8, 2025 | 300 | +100 |
Dec 15, 2025 | 100 | -200 |
Dec 22, 2025 | 200 | +100 |
Dec 29, 2025 | 0 | -200 |
Jan 1, 2026 | 100 | +100 |
Jan 5, 2026 | 200 | +100 |
Jan 12, 2026 | 100 | -100 |
Jan 19, 2026 | 200 | +100 |
Jan 26, 2026 | 100 | -100 |
Feb 2, 2026 | 200 | +100 |
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 |
Views gained (weekly)
| Week | Views gained | Change vs prev |
|---|---|---|
Dec 1, 2025 | 39.7K | +39.7K |
Dec 8, 2025 | 45.0K | +5.29K |
Dec 15, 2025 | 37.0K | -7.99K |
Dec 22, 2025 | 33.1K | -3.88K |
Dec 29, 2025 | 15.7K | -17.4K |
Jan 1, 2026 | 20.7K | +5.03K |
Jan 5, 2026 | 38.9K | +18.1K |
Jan 12, 2026 | 35.6K | -3.33K |
Jan 19, 2026 | 38.7K | +3.08K |
Jan 26, 2026 | 38.1K | -509 |
Feb 2, 2026 | 37.0K | -1.13K |
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 |
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.