Touch Move Event Counter
Count reported movement events.
Tap, click or press Space to keep count.
Tap anywhere inside or press Space
How the Touch Move Event Counter Works
The Touch Move Event Counter adds 1 for every touch-move or pointer-move event the browser reports while a finger slides on the screen. The count shows how often the device samples finger position.
- Place a finger: Touch the surface to start tracking.
- Slide the finger: Every position update fires a move event and adds 1.
- Watch the event rate: The tool shows move events per second, which reflects the touch sampling rate.
- Lift to stop: Move events stop when the finger lifts. The total and the rate stay on screen.
Touch Move Event Counter Formula
The Touch Move Event Counter rate equals move events divided by the time spent moving, in seconds.
- Move events
- touchmove or pointermove events counted
- Move time
- Time the finger was in motion
- Hz
- Events per second
Example: A 2-second slide produces 240 move events. Move rate = 240 ÷ 2 = 120 Hz.
Touch Move Event Counter Reference Table
The Touch Move Event Counter conversion table converts move rates into the time between position updates.
| Move rate (Hz) | Gap between events (ms) | Events in 1 s | Typical source |
|---|---|---|---|
| 60 | 16.7 | 60 | 60 Hz display, frame-aligned events |
| 90 | 11.1 | 90 | 90 Hz display |
| 120 | 8.3 | 120 | 120 Hz display |
| 240 | 4.2 | 240 | 240 Hz touch sampling |
| 480 | 2.1 | 480 | Gaming phone touch sampling |
About the Touch Move Event Counter
A Touch Move Event Counter is a diagnostic tool that counts position updates during finger movement. The count reveals how smoothly a device reports motion.
Many browsers align move events with screen frames, so a 60 Hz phone delivers about 60 events per second. The pointerrawupdate event and getCoalescedEvents() method expose the faster touch sampling rate where supported.
Ways to Use the Touch Move Event Counter
There are 5 main uses of the Touch Move Event Counter, including sampling-rate checks and drawing app tuning.
- Sampling-rate checks: Compare move event rates on 60 Hz and 120 Hz devices.
- Drawing app tuning: Developers decide how many points to use for smooth strokes.
- Performance tests: Find dropped events during heavy page work.
- Gaming phone reviews: Reviewers compare touch reporting speed.
- Event throttling: Developers measure how many events to skip for speed.
Tool Details
- Category
- Tally & Calculation
- Controls
- Taps and keys
- Input Support
- Touch, Pen, Mouse, Keys
- Offline Ready
- On your device