Former NASA engineer. Current CrunchLabs founder and friend of science.
Subscribers
82.8M
1.4Mmeasured · last 30 days
Total Views
19B
454Mmeasured · last 30 days
Videos
270
Former NASA engineer. Current CrunchLabs founder and friend of science.
Evidence-based intelligence for Mark Rober
Mark Rober is in solid overall health (72/100). With 82.8M subscribers and 1.5% engagement, growth is currently slowing, measured at about 1.25M new subscribers over 30 days. A publishing cadence of 0.8 videos per week constrains reach, and momentum scores 47/100. Estimated ad revenue is around 1.71M per month. Confidence in this assessment is medium given 59 days of measured history.
Health
72/100
Momentum
47/100
Consistency
55/100
Engagement
25/100
Est. revenue
1.71M/mo
Trend
Slowing
Synthesised deterministically from this page’s metrics. Revenue is an estimate ($1.71M/mo likely). Confidence reflects how much measured history is available.
Tracking · started Jul 24, 2026 · 60 daily snapshots · last updated today. Measured points override the model. Dashed segment is a 6-month projection from the recent pace — an estimate, not a guarantee.
Subscriber growth is decelerating: 300K subscribers over the last 7 days (0.362% of the base), with velocity down 28.6K/day versus the prior week. Measured
Measured daily since Jul 24, 2026; earlier points are modeled estimates.
Computed from 60 daily snapshots — measured, not estimated. Ranked #11 of 170 tracked creators (best #6).
Daily gain
200K
latest measured day
7-day gain
300K
30-day gain
1.4M
Avg / day
42.4K
across 59 days
Peak day
200K
Sep 21, 2026
Acceleration
28.6K/day
vs prior week, subs/day
Estimated viewer distribution by country — Low confidence, inferred from public signals, not private analytics.
Weekly creator · 0.8 uploads/week · most common day Friday · consistency 31/100.
Scores are computed transparently from the public metrics shown on this page — size, momentum, engagement depth and publishing cadence. Engagement of 1.5% = (avg likes 697K + avg comments 3.04K) ÷ avg views 45.3M across recent uploads. Activation 55% means each upload reaches that share of subscribers; 0.1 comments per 1k views reflect discussion depth.
Mark Rober is a science & technology channel with 82.8M subscribers and 19B lifetime views. Growth is accelerating, with 1.25M subscribers added in the last 30 days. Engagement runs at 1.5% and uploads average 0.8 per week. Overall, MetrixAll scores this channel 72/100 — a strong performer with clear momentum.
Evidence-based report for Mark Rober
Mark Rober is a science & technology channel with 82.8M subscribers, 19B lifetime views and 270 videos. Live
Across 59 days of daily tracking it gained 300K subscribers in the last 7 days. Measured
Within MetrixAll's tracked cohort it ranks #11 of 170 by subscribers (best #6). Measured
Subscriber growth is decelerating: 300K subscribers over the last 7 days (0.362% of the base), with velocity down 28.6K/day versus the prior week. Measured
Its strongest measured day added 200K subscribers. Measured
Upload cadence averages 0.8 videos per week, below the 1.8/week median of similar Science & Technology channels. Publicly inferred
Engagement runs at 1.5% (likes + comments per view), trailing the 2.5% median of comparable channels. Publicly inferred
Average views reach 54.8% of the subscriber base per upload — a sign of loyal, returning viewers. Live
Why the momentum score
Publishing cadence is 0.8 videos per week — an infrequent schedule that leans on the back catalogue between uploads. Live
Format mix skews heavily to Shorts — 7 of 10 recent videos are Shorts (≤60s), with long-form averaging 12 min. Live
Topic focus is concentrated in Science & Technology, with evergreen pull that keeps older uploads circulating. Publicly inferred
At the current measured pace of 42.9K/day, MetrixAll projects roughly 3.86M additional subscribers over the next 90 days. This projection assumes recent measured trends continue and is not a guarantee. Measured
Generated deterministically from the metrics on this page — no private platform data, no fabricated figures. Each statement is tagged with its evidence source.
Projected subscribers for Mark Rober
30 days
84.1M
+1.29M
Medium confidence
90 days
86.7M
+3.86M
Medium confidence
180 days
90.5M
+7.71M
Low confidence
12 months
98.4M
+15.6M
Low confidence
Monthly Estimate
$1.71Mlikely
Annual Estimate
$20.5Mlikely
This estimate is generated using publicly available information and statistical models. Actual earnings may differ. Derived from estimated monthly views, category RPM ranges, and engagement-adjusted effective RPM. Ad revenue only — excludes sponsorships, merch, and memberships. The confidence score reflects how much public signal supports the estimate — wider ranges mean lower certainty.
0:363 Levels of Elephant Toothpaste
10 months ago Watch
0:39pride comes before flop
7 months ago Watch
0:55Sharpest Thing In The World!
1 year ago Watch
1:06Sumo Wrestlers vs Phone Books
1 year ago Watch
0:34Secret Street Crossing HACK
1 year ago Watch
34:23Last Cheater Standing Wins $10,000!
2 days ago Watch
0:58Chivalry or Engineering?
3 days ago Watch
0:45Why Do People Pass Out On Roller Coasters?
24 days ago Watch
1:03Why the Moon Never Changes
1 month ago Watch
0:39$100 Slime Challenge
1 month ago Watch
0:39pride comes before flop
7 months ago Watch
0:363 Levels of Elephant Toothpaste
10 months ago Watch
0:55Sharpest Thing In The World!
1 year ago Watch
1:06Sumo Wrestlers vs Phone Books
1 year ago Watch
0:34Secret Street Crossing HACK
1 year ago Watch
Channel created
Joined YouTube · Oct 20, 2011 · Oct 20, 2011
Mark Rober4 connections · line thickness = tie strength
Mark Rober connects to 4 entities in the graph — 4 similar. Its strongest tie is Marques Brownlee (similar creator, medium confidence). Every edge is derived from real data and labelled with its source — nothing is inferred without evidence.
Channels close to Mark Rober in category and scale.
Competitors in the same category with the strongest estimated 30-day momentum.
Generated from publicly available signals and statistical models — not private platform data.
