How long should a TikTok be? As long as the share watched holds

Length trades share watched against seconds watched

Every length decision moves two numbers in opposite directions. Share watched is average watch time divided by length. Watch time per viewer is the average itself, in seconds. A 12-second clip watched to the end scores 100% and gives TikTok 12 seconds a view. The 45-second tutorial below gives 17 seconds, more time per viewer, at 37.8%.

TikTok’s page on how it recommends content names both sides and weights neither in public. It lists watching a video in full, or skipping it, among the signals. It also says interactions, which may include time spent watching, are generally weighted more heavily than other factors for most users. Short clips win the first. Long ones can win the second.

Length costs production time as well. A 60-second tutorial takes more scripting and editing than a 12-second reveal, which caps how many go up in a week; the guide on how often to post on TikTok covers the volume side of that trade.

How long should a TikTok video be for each kind of idea?

A TikTok video should run as long as its one idea needs and no longer. Start from the content, then read across to the band. The last column is the share-watched floor this site uses to decide which videos to recut first. It is our rule of thumb. TikTok applies no such threshold.

Turn each floor into seconds before reading analytics. One third of 60 seconds is 20 seconds; 40% of 45 seconds is 18. The average watch time calculator divides total play time by views, so the share comes straight from the numbers TikTok shows under each video.

A 45-second tutorial at 37.8% watched: cut it or stretch it

A 45-second tutorial averages 17 seconds watched. The current cut and two recuts, worked through:

1. Current cut. 17 ÷ 45 = 37.8%. The floor for 30 to 60 seconds is 40%, which is 18 seconds, so the video is 1 second a view short.
2. Cut to 30 seconds by removing the setup. If the average holds at 15 seconds, 15 ÷ 30 = 50%, right at the floor for 15 to 30 seconds.
3. Stretch to 60 seconds for Creator Rewards. The floor is one third: 60 ÷ 3 = 20 seconds of average watch time.

The 30-second cut wins on share. It fails a creator in Creator Rewards, because 30 seconds is half the program’s minimum. The 60-second version has to find 5 more seconds per view than the 30-second cut (20 minus 15), and it can only get them from people still watching at second 30.

So the long cut needs a second hook at about the 30-second mark, a line that restarts attention, such as “Now the step everyone skips.” The guide to reading a retention curve shows where viewers actually leave, so you can check that the drop sits near second 30 before writing that line.

Creator Rewards pays only on videos of one minute or more

TikTok’s Creator Rewards Program calculates rewards from qualified views and RPM, the reward per 1,000 qualified views. Eligible videos must be original, at least one minute long, uploaded after joining, and reach at least 1,000 qualified For You feed views. Ads, paid promotions and sponsored content are excluded.

A qualified view lasts longer than 5 seconds. It counts once per account per video and leaves out people who said they are not interested. The first 5 seconds decide whether a view counts; the 60-second mark decides whether the video counts.

Joining has its own bar: an eligible country, an account in good standing, a Personal account rather than a Business one, age 18 or over (19 in South Korea), at least 10,000 followers and at least 100,000 video views in the last 30 days. Below that bar the one-minute rule does not apply to you yet. Short is fine.

How many words fit in 15, 30 and 60 seconds

This site’s rule of thumb is about 2.5 spoken words a second on camera. Multiply the length in seconds by 2.5.

• 15 seconds: 15 × 2.5 = 37.5, so about 38 words.
• 30 seconds: 30 × 2.5 = 75 words.
• 60 seconds: 60 × 2.5 = 150 words.

The 45-second tutorial above runs about 113 words (45 × 2.5 = 112.5). Cutting it to 30 seconds removes about 38 of them, a whole 15-second clip’s worth of setup. Count before you film. The TikTok script generator turns a topic into a short-form script you can trim to the count for the band you picked.

Compare two cuts in Go Viral before choosing a length

Go Viral reads the clip you import; it does not connect to your TikTok account. To choose a length, export two cuts of the same video, such as the 30-second and 60-second tutorial, and import both.

1. Compare the Viral View Forecast for each cut, the app’s estimate of potential reach.
2. Open the Engagement Heat Map on the 60-second cut and look for a drop-off near second 30, where the second hook goes.
3. If the opening changed between cuts, check the Hook Score, 0 to 100 for the first 3 seconds, on both.

The opening matters twice under Creator Rewards, since a view has to last longer than 5 seconds to qualify. The hook score page covers how the first 3 seconds are graded. Then pick the cut.