Pitch speed
Estimate how fast a pitch was from a video. No account needed.
1. Load a pitch video
Slow motion (120 or 240 fps) gives the most accurate result. See filming tips below.
2. Field setup ChangeDone
Most people keep the defaults. The distances set how far the ball travels, so check them for your league.
Ball travel distance: –
Saved on this device
Saved pitches show up here.
Filming tips for accurate speed
For mechanics too, see how to film a pitch.
- Use slow motion (120 or 240 fps). At 30 fps each frame is ~33 ms, which can swing a reading by several mph; at 240 fps it's under 1 mph.
- Film from the side, roughly halfway between pitcher and plate, far enough back to see both the release and the catcher's glove in one shot.
- Hold the phone still (tripod or fence), in good light so the ball isn't a blur.
- Auto-detect works best with sound on, a steady camera, and a clear view of the ball against the background. Always check the marks it picks.
- Release frame: the first frame where the ball has clearly left the fingers.
- Arrival frame: the first frame where the ball touches the glove (or crosses the plate edge you chose above).
- Set the release point for your pitcher: a long stride moves release closer to the plate and raises the true speed. Each foot of error is about 2–3%.