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Is a 150 ms reaction time good?

A 150 ms reaction time is faster than 98% of people who took Human Benchmark's test, and 98% of 25 to 34 year olds. Among people 65 and over it is above the 99th percentile.

Percentile
98%
of testers are slower than 150 ms
150 ms

150 ms by group

By age group

Share of testers in each age group slower than 150 ms
GroupMeanSlower than you1 in X
18 to 24242 ms96%1 in 26
25 to 34258 ms98%1 in 40
35 to 44274 ms99%1 in 68
45 to 54295 ms99%1 in 128
55 to 64320 ms>99%1 in 287
65 and over350 ms>99%1 in 705
All ages262 ms98%1 in 40

Percentile is the share of the group slower than this time, so a lower time gives a higher percentile. “1 in X” counts the rarer side: people at or beyond this value above the median, at or under it below. Percentiles are estimated from a normal distribution per age group.

What this means

  • Mean reaction time in this data rises about 20 ms per decade: 242 ms at 18 to 24, 350 ms at 65 and over. 150 ms is the 96th percentile for the youngest group and above the 99th percentile for the oldest.
  • Human Benchmark's numbers come from people who chose to take a reaction test, on their own screens. Display and input lag add 10 to 50 ms, so a 150 ms result partly measures your monitor.
  • Competitive gamers and sprinters report averages near 150 to 180 ms. Results under 100 ms are almost always anticipation, not reaction.

Questions

Is 150 ms a good reaction time?
150 ms is faster than 98% of all Human Benchmark testers and 98% of 25 to 34 year olds. That is clearly quick.
What is the average reaction time?
The mean in Human Benchmark's data is 262 ms across all ages: 242 ms at 18 to 24, 274 ms at 35 to 44 and 350 ms at 65 and over. The site's reported median is about 251 ms.
How rare is a 150 ms reaction time?
Across all ages, about 1 in 40 testers are as fast or faster. For 18 to 24 year olds it is 1 in 26; for people over 65, 1 in 705.

Source: Human Benchmark, aggregated reaction test results, 2024. A self-selected sample of people who take reaction tests, not the population. Percentiles on this page are our estimate from a normal distribution with the stated mean and SD.

Five trials, your age group, your percentile. About 20 seconds.

Test your reaction time