TikTok Viral Probability Calculator

Enter your video metrics and our algorithm scores 6 key FYP signals — giving you a precise virality probability and actionable fixes.

Avg Watch Time (sec) Average seconds watched

Video Length (sec) Total video duration

Shares per 1,000 Views How many viewers shared

Comments per 1,000 Views Replies & discussion count

First 3-Second Hook What happens in second 1–3

Audio / Sound Sound strategy used

Posting Time (your audience's timezone) When you posted or plan to post

Scoring FYP signals…