Paste reaction results
REACTION TIME CALCULATOR
Enter several reaction times in milliseconds. Get average, median, fastest, slowest, standard deviation and a simple consistency score. Nothing is uploaded.
ENTER RESULTS
Use milliseconds. Separate values with commas, spaces or new lines.
ANALYSIS
HOW TO READ IT
Standard deviation shows how spread out your attempts are. Lower variation means more consistent timing. The calculator does not remove display, input or browser latency, so compare results collected on the same setup.