Input Lag Calculator

Calculate your total system input lag from peripherals to display.

Game FPS

Monitor Refresh Rate (Hz)

Monitor Response Time (ms GtG)

V-Sync / Frame Sync

System Processing (ms)

Peripheral Lag (ms)

39.83 ms

Good (Casual Competitive)

Peripheral Latency1.00ms

Input Sampling16.67ms

Game Processing5.00ms

Render Queue16.67ms

V-Sync (None)0.00ms

Display Response0.50ms

Total Click-to-Photon~46.78ms

Time from mouse click to pixels changing on screen

< 20msPro competitive

20-35msCompetitive gaming

35-50msGood for most games

50-80msCasual acceptable

> 80msNoticeable delay