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ProfRobBob

United States@profrobbob  •  Joined August 31, 2011

Live
Sub 238K  |  View 31.9M  |  Video 816
#247,296
#47,263United States
#408,449
#68,467United States

At a glance

Subscribers

Last 29 days

238K

— No change

Views

Last 29 days

31.9M

+20.8K (+0.1%)

Videos

Last 29 days

816

— 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

39.1K

Total views ÷ total videos

Views per subscriber

134×

Total views ÷ subscribers

Subs per video

293

Subscribers ÷ total videos

Revenue estimate

Details →

Total (all-time): $22.3K – $63.9K

Daily avg.: $1 – $1

Weekly avg.: $4 – $10

Last 29 days: $15 – $42

Based on estimated $0.7–$2 CPM.

Analytics tables

Analytics Table:ProfRobBob

Date
subscribers
views
videos
Jun 1, 2026
Jun 1
Mon
238K
--
31.9M
+2.23K
816
--
May 25, 2026
May 25
Mon
238K
--
31.9M
+4.28K
816
--
May 18, 2026
May 18
Mon
238K
--
31.9M
+5.88K
816
--
May 11, 2026
May 11
Mon
238K
--
31.9M
+5.11K
816
--
May 4, 2026
May 4
Mon
238K
--
31.9M
+5.04K
816
--
Apr 27, 2026
Apr 27
Mon
238K
--
31.9M
+5.13K
816
--
Apr 20, 2026
Apr 20
Mon
238K
--
31.9M
+6.20K
816
--
Apr 13, 2026
Apr 13
Mon
238K
--
31.9M
+6.66K
816
+1
Apr 6, 2026
Apr 6
Mon
238K
+1.00K
31.9M
+5.71K
815
--
Mar 30, 2026
Mar 30
Mon
237K
--
31.9M
--
815
--

Subscribers gained (weekly)

WeekSubscribers gainedChange vs prev
Dec 1, 2025
1.00K
+1.00K
Dec 8, 2025
0
-1.00K
Dec 15, 2025
0
--
Dec 22, 2025
0
--
Dec 29, 2025
0
--
Jan 1, 2026
1.00K
+1.00K
Jan 5, 2026
0
-1.00K
Jan 12, 2026
0
--
Jan 19, 2026
0
--
Jan 26, 2026
0
--
Feb 2, 2026
0
--
Feb 9, 2026
0
--
Feb 16, 2026
0
--
Feb 23, 2026
1.00K
+1.00K
Mar 2, 2026
0
-1.00K
Mar 9, 2026
0
--

Views gained (weekly)

WeekViews gainedChange vs prev
Dec 1, 2025
7.11K
+7.11K
Dec 8, 2025
8.75K
+1.63K
Dec 15, 2025
5.58K
-3.16K
Dec 22, 2025
4.31K
-1.26K
Dec 29, 2025
1.92K
-2.39K
Jan 1, 2026
3.16K
+1.24K
Jan 5, 2026
6.37K
+3.20K
Jan 12, 2026
7.37K
+999
Jan 19, 2026
7.77K
+400
Jan 26, 2026
6.89K
-874
Feb 2, 2026
7.14K
+251
Feb 9, 2026
7.31K
+170
Feb 16, 2026
6.29K
-1.02K
Feb 23, 2026
6.73K
+437
Mar 2, 2026
6.50K
-232
Mar 9, 2026
6.52K
+18

About

A growing collection of mathematics education videos related to Algebra, Geometry, Algebra 2, Trigonometry, Precalculus, Calculus 1, Calculus 2, and AP Statistics:) I have a BS in Mathematics Education and 29 years of teaching experience at the high school level. The videos you will find on my site are full lessons t…

Handle
@profrobbob
Joined
August 31, 2011

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