Video object speed calculator

Upload a clip, draw a known-distance reference, pause on frames, and track an object — all in your browser. Video never leaves your device.

No video loaded

1. Upload video

2. Calibration distance (meters)

Click two points on a reference at the same depth as the moving object (e.g. lane width, pole spacing).

3. Pause & scrub

Current: —

4. Track object

Pause on the start frame → Track start. Scrub to end frame → Track end.

Upload a video to begin.