CrazyGamesUp Gaming Tool

Input Lag Calculator

Estimate local input-to-display latency and network-added timing from polling, FPS, refresh and processing.

Browser based

Mouse/controller polling Hz

Game FPS

Display refresh Hz

Ping RTT (ms)

Game/engine processing (ms)

Display scanout/processing (ms)

Local input-to-display avg—

With one-way network—

Local latency in frames—

Worst scheduling budget—

Model uses average half-interval waiting for polling, render frame and refresh scanout. Actual latency varies with engine queues, V-Sync/VRR, GPU load, display processing and netcode.