Free tool
How long until your channel meets the Partner Program thresholds?
Enter your subscribers, watch hours, uploads, views, view duration and new subscribers per month. See how long 1,000 subscribers and 4,000 watch hours take at that pace, and which of the two comes later.
What “growth” actually means on YouTube
Most creators mix up three growth numbers (subscribers, watch hours and revenue) when they ask how to grow a channel. They respond to different things. Subscribers count people who chose to follow the channel. Watch hours count time spent on its videos. Revenue depends on the audience, the topic and the ads shown. A channel can do well on one and poorly on the others.
The calculator models one gate: the Partner Program threshold for sharing ad revenue, 1,000 subscribers plus 4,000 valid public watch hours in the last 12 months. YouTube also accepts 10 million valid public Shorts views in the last 90 days instead of the watch hours; the calculator models the watch-hour route only.
Subscribers vs watch hours: which comes first
Subscribers come from viewers who decide they want more from the channel, and how many do that differs a lot from one channel to the next, which is why the calculator asks for your own number instead of assuming one. Watch hours are views multiplied by how long each view lasts. A video watched for 5 minutes on average earns 5 watch-minutes per view; one watched for 7 minutes earns 7. At the same number of views, a longer average view duration reaches 4,000 hours sooner.
Revenue: the part the calculator leaves out
What a channel earns per 1,000 views differs by channel, audience and the ads shown, and we have no data to give a fair figure for a type of channel, so the calculator doesn’t estimate earnings. Once a channel is in the Partner Program, its own figure appears in YouTube Studio. The official YouTube Partner Program eligibility documentation lays out the requirements, including the Shorts route.
Your channel
From YouTube Studio → Channel analytics
From YouTube Studio → Analytics → Revenue (public video hours only)
From YouTube Studio → Analytics → Engagement
Trailing 3 months, from Studio dashboard
From YouTube Studio → Analytics: subscribers gained in the last 28 days
Estimated time to Partner Program thresholds
~2y 1mo
Subs: ~2y 1mo · Hours: ~1y 8mo
Your current monthly pace
6,000 views
400 hours · 30 subs/mo
Recommendation
Subscribers are the bottleneck: at your current pace you reach 4,000 watch hours before 1,000 subscribers. The calculator divides the subscribers you still need by the new subscribers per month you entered, so that number is what changes this time in the estimate.
Buy YouTube subscribersChannel stages: what changes as a channel grows
The problems a channel faces change as it grows. These are three stages people commonly describe; the calculator itself only models the Partner Program thresholds.
Stage 1 (0 to 1,000 subscribers): being found
Below 1,000 subscribers, the first problem is being found. YouTube describes recommendations as personalised per viewer, built from what each person has watched, liked, and marked as not interesting, and publishes no subscriber count or engagement baseline that switches distribution on. A young channel simply has very little of that history attached to it yet. People who already know you elsewhere, from another platform or a community you belong to, are one way to start it: the more people who watch your videos through, the more there is for that system to work with.
Stage 2 (1,000 to 10,000 subscribers): the watch-hour gate
Once past 1,000 subscribers, a channel that has not also reached 4,000 watch hours is waiting on that gate. YouTube counts only watch time from long-form videos you have set public toward that total. Watch time from Shorts in the Shorts feed does not count toward it at all, which is why a channel can post daily and still watch the hours barely move. Uploads, views and how long each view lasts are what move it. Buffer’s research on YouTube algorithm signals collects what creators have observed from the outside; YouTube itself publishes no ranking formula.
Stage 3 (10,000 to 100,000 subscribers): choosing a direction
One decision at this size is whether to broaden the topic (more general videos, a larger possible audience) or deepen it (narrower videos for a smaller audience that cares more). The calculator doesn’t make this call, and we have no data on which pays more for a channel like yours.
How the calculator math works
The calculator takes six numbers you enter: subscribers now, watch hours in the last 12 months, uploads per month, average view duration, average views per video and new subscribers per month. It assumes each of them holds steady and projects forward month by month.
The 4,000-hour gate and the rolling 12-month window
The Partner Program counts watch hours from the last 12 months only, so hours watched more than a year ago drop out of the total. A channel that picked up 3,000 watch hours from one video 11 months ago loses those hours once the window rolls past, whatever it uploads this month. The calculator approximates this by removing one twelfth of your current 12-month total each month, which assumes your past hours were spread evenly over the year, then adds the hours your uploads earn: uploads × views per video × average view duration. It shows when that pace can’t outrun the window.
Subscribers: your number, not ours
The calculator doesn’t guess how many viewers subscribe. You enter the new subscribers per month from YouTube Studio, and it divides the subscribers you still need by that number.
Why “X subscribers in Y days” projections fail
The calculator draws one straight line from the numbers you type in. Real channels don’t hold steady: viewers come and go, YouTube keeps changing how recommendations work and publishes no schedule for those changes, and other channels publish on the same topics. The further out a result is, the less weight it deserves.
How to use the calculator output
Read the two times separately: the later one sets the date. If watch hours come later, the inputs that move them are uploads per month, views per video and average view duration. If subscribers come later, the input is new subscribers per month. If the calculator says your pace never gets there, either the hours your uploads add each month don’t replace the hours leaving the 12-month window, or new subscribers per month is 0. Whether a channel is accepted into the Partner Program is YouTube’s decision.
Buying subscribers or views doesn’t change who decides: YouTube reviews each channel that applies to the Partner Program, and nothing shows that bought numbers count toward the thresholds or shorten the wait. Watch time only accrues from views people actually stay for. If you still want to order, package sizes, prices and the stated delivery window are on the YouTube views service page before you pay.
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