GUIDE 01
What Is CPS — How Click Speed Is Measured and How to Read It
What CPS means, the difference between average and peak CPS, and why the number changes with test duration.
CPS (clicks per second) is the average number of times you click in one second. It's a single number, but even for the same person it varies a lot with test duration, how the timer starts and clicking technique. To compare scores, you first need to know what was counted and how.
The basic formula
Average CPS = inputs within the test duration ÷ test duration (seconds)
If you click 42 times in 5 seconds, that's 42 ÷ 5 = 8.4 CPS. You can also think of CPS as an average click interval: divide 1000 by your CPS to get the average interval in ms.
| CPS | Average interval | Inputs in 5 s |
|---|---|---|
| 4 | 250 ms | 20 |
| 6 | about 167 ms | 30 |
| 8 | 125 ms | 40 |
| 10 | 100 ms | 50 |
| 12 | about 83 ms | 60 |
| 15 | about 67 ms | 75 |
| 20 | 50 ms | 100 |
When does the timer start?
CPS Meter starts the timer the moment your first input arrives. This keeps the time it takes you to react to an on-screen signal out of your score. The first input counts as one, and any input that arrives after exactly the chosen duration has passed is discarded. On sites where you start the timer with a button first, your score comes out lower by the length of your reaction time.
Average CPS vs. peak CPS
Average CPS covers the whole test, so it reflects endurance. Peak CPS slides a 1-second window across the test and finds the second with the most inputs. If you go all out for the first 2–3 seconds and then tire, the gap between the two numbers will be large.
- The two are close → you held your speed to the end.
- Peak CPS is much higher than average → you have a strong burst but faded later on. The CPS-over-time graph shows exactly where you dropped off.
Test duration changes the result
1-second mode tends to produce the highest numbers, but one or two inputs either way means a 1–2 CPS swing, so results bounce around a lot. In 30- and 60-second modes, fatigue builds up in your hand and forearm and the average drops. That's why scores from different duration modes shouldn't be compared directly, and why CPS Meter keeps separate bests for each duration × input combination.
Checking how even your intervals are
The median interval and standard deviation in your results show how steady your clicking rhythm is. Even at the same average CPS, a smaller standard deviation means a more even rhythm. In the interval distribution graph, bars bunched into one or two ranges mean a steady rhythm; bars spread wide mean a mix of fast and slow clicks.
Tips for reading your scores
- Test 3–5 times in the same mode and look at both your best and your average.
- A difference in the second decimal place can be within measurement error.
- Changing technique (normal, jitter, butterfly, etc.) effectively makes it a different event. Only compare scores that used the same technique.