blackpenredpen has published 10 sponsored videos with 2 brands tracked by SponsorRadar, most recently Brilliant.org on January 27, 2026. The channel has 1.4M subscribers and a typical upload gets 51.4K views, which puts a sponsored video at an estimated $1.0K to $2.1K. Estimated income from ads and sponsorships is $2.3K to $5.5K a month.
Updated
Your sponsors, your rate and a media kit, read from your videos.
Ad revenue from upload pace and average views, plus sponsorship income from the deals detected in the last 12 months. Estimates, shown as ranges.
Full estimate with peers and a share link · Memberships, affiliate links and merch are not included.
Lifetime views per upload with estimated AdSense and sponsorship value. Sponsored videos show the brand we detected.
| Video | Views | Sponsor | |
|---|---|---|---|
| September 2026 | |||
 Precalculus Practice Test#1: Functions & TransformationsSep 21 | 15.5K | $93–$233 | – |
 When (ln(x))^x = 2 has NO closed-form solution...Sep 19 | 44.4K | $266–$666 | – |
 10 first-order differential equations to test your mastery (ft. Bernoulli, Clairaut,& Riccati eqs)Sep 16 | 32.7K | $196–$490 | – |
 Doing 100 trig identities in one take (finally!!!)Sep 13 | 75.3K | $452–$1.1K | – |
 10 derivative questions that differentiate experts from beginnersSep 12 | 49.9K | $300–$749 | – |
 10 factoring problems that separate experts from beginnersSep 9 | 65.6K | $394–$984 | – |
 How to get 1/2 of a cylinder?Sep 4 | 66.2K | $397–$992 | – |
 10 trigonometric equations that separate EXPERTS from beginnersSep 1 | 60.3K | $362–$904 | – |
Estimates, not actuals. AdSense is estimated from lifetime views at typical Education RPM ($6–$15 per 1,000 views); sponsorship value from Education sponsorship CPM benchmarks ($20–$40 per 1,000 views, reviewed July 2026). Sponsor detections come from video content and are deduced from evidence, not confirmed by the channel or brand.
Brands that have sponsored blackpenredpen's videos
The latest deals we detected on blackpenredpen
blackpenredpen is a YouTube channel based in US with 1,430,000 subscribers. blackpenredpen's top sponsor is Brilliant.org who sponsored 8 videos. blackpenredpen has worked with 2 distinct brands, including major partners like Brilliant.org, Chegg.
Channels in the same space, with their own sponsorship data
Your estimated rate, your sponsorship history and a media kit, free.
