Video Duration Calculator
Enter how many clips you have, how long each is and any overlap for transitions. You get the total runtime and frame count at your frame rate.
How to use it
- Enter clip count and clip length.
- Add transition overlap if clips cross-dissolve.
- Read total time and frames.
Frequently asked questions
Why do AI video clips matter here?
Most AI video models make short clips, so longer videos are built by joining several.
Which frame rate should I use?
Match your project. 24 fps is common for cinematic looks, 30 for web, 60 for smooth motion.
Related tools
See it in practice
Browse prompts with the exact settings and method to recreate them.