Measure Your System Input Lag in Milliseconds
A free tool for measuring system input lag with millisecond accuracy. Breaks down the total delay into event processing, render latency, and estimated display lag. Click 20 times to get a detailed analysis of your setup performance.
How to Measure Input Lag
1
Select your display type
Choose your monitor panel type (IPS, VA, TN, OLED] from the dropdown so the tool can estimate hardware display latency.
2
Click the test area 20 times
Click anywhere in the large test zone. Each click measures event processing lag and render delay. You need 20 clicks for reliable results.
3
Review your results
After 20 clicks, see your average total lag, breakdown by component, distribution histogram, and performance rating from Excellent to Poor.
Analyze click-to-pixel delay and optimize your setup for gaming
Click anywhere to measure input lag
Click 0 of 20
Select your monitor panel type
Live Frame Timing
FPS
--
Frame Time
--ms
Variance
--ms
Dropped
0
Results
Lag Breakdown
Event Processing
Render Delay
Display Lag (estimated)
Average Total Lag
--ms
Minimum
--ms
Maximum
--ms
Jitter
--ms
Event Processing (avg)
--ms
Render Delay (avg)
--ms
Lag Distribution
This tool measures software-level input lag. Hardware display latency is estimated based on panel type.
Published
Updated
