Milliseconds to Seconds
1 millisecond = 0.001 seconds. To convert milliseconds (ms) to seconds (s), multiply by 0.001.
Converter
How to convert milliseconds to seconds
s = ms × 0.001 Example: convert 8 milliseconds to seconds.
8 ms × 0.001 = 0.008 s
The same relationship in reverse: 1 second = 1,000 milliseconds, so you can also divide by 1,000. Need the other direction? Use the seconds to milliseconds converter.
You will typically need this conversion for programming timeouts, animations and reaction tests.
Milliseconds to Seconds conversion chart
| Milliseconds (ms) | Seconds (s) |
|---|---|
| 1 ms | 0.001 s |
| 2 ms | 0.002 s |
| 3 ms | 0.003 s |
| 4 ms | 0.004 s |
| 5 ms | 0.005 s |
| 6 ms | 0.006 s |
| 7 ms | 0.007 s |
| 8 ms | 0.008 s |
| 9 ms | 0.009 s |
| 10 ms | 0.01 s |
| 15 ms | 0.015 s |
| 20 ms | 0.02 s |
| 25 ms | 0.025 s |
| 30 ms | 0.03 s |
| 40 ms | 0.04 s |
| 50 ms | 0.05 s |
| 75 ms | 0.075 s |
| 100 ms | 0.1 s |
| 250 ms | 0.25 s |
| 500 ms | 0.5 s |
| 1,000 ms | 1 s |
Values rounded to 8 significant figures. The converter above shows up to 12.
About the units
Millisecond (ms)
One thousandth of a second. Used for reaction times, network latency and audio timing.
Second (s)
The SI base unit of time, defined by 9,192,631,770 oscillations of the caesium-133 atom.
Frequently asked questions
How many seconds are in a millisecond?
1 millisecond = 0.001 seconds. Going the other way, 1 second = 1,000 milliseconds.
How do I convert milliseconds to seconds?
To convert milliseconds to seconds, multiply by 0.001. The formula is s = ms × 0.001.
What is 8 ms in s?
8 milliseconds is 0.008 seconds (8 ms × 0.001 = 0.008 s).