Video Ad Duration Calculator

Find the perfect video length. Get data-backed recommendations based on your platform, objective, and audience.

Your Recommendation

Recommended Duration
15-30s

Cold audiences have zero commitment to your brand. You have 3 seconds to hook them and 15-30 seconds to leave an impression. Focus on one memorable message.

Why this works

15-30s is the sweet spot because cold audiences have zero commitment to your brand. you have 3 seconds to hook them and 15-30 seconds to leave an impression. focus on one memorable message.

Attention Curve

0-15s
Optimal
15-30s
30-45s
45-60s
60-90s
90s+

The chart shows typical audience attention drop-off. The recommended range balances message delivery with viewer retention.

Pro Tips for Tiktok

  • First 3 seconds are critical — hook immediately with motion or a question.
  • Native content (UGC style) outperforms polished ads significantly.
  • Use trending audio where possible to boost organic reach.
  • Loop-friendly endings (seamless transition start-to-end) increase watch time.
  • Sound-on is the standard, unlike other feed platforms.

Need a video in this duration?

Viralix connects you with expert creators who know exactly how to pace content for every platform and objective.