Video Frame Rate Converter Calculator

Enter your source frame rate, target frame rate and clip duration, and see the output duration, total frames and whether the conversion will cause judder. Useful for AI video from Sora, Kling or Runway.

100% freeNo sign-upRuns in your browserNo upload · data stays private

📖 Read the full Video Frame Rate Converter Calculator guide — how it works, examples & FAQ →

How to use this tool

  1. Enter the source frame rate.
  2. Set the target frame rate.
  3. Set duration in seconds and read the result.

Example

60fps 10s clip converted to 30fps → 10s output, 300 frames

Why it's private

This tool runs entirely in your browser using JavaScript. Whatever you paste is processed on your own device — it is never uploaded to a server, logged, or stored. Built by Calabi, which also strips AI metadata and C2PA signals from images and video.

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