Convert milliseconds to seconds
Enter a value in milliseconds (ms) to get seconds (s). One millisecond is 0.001 seconds; one second is 1,000 milliseconds.
How to use the Millisecond to second
- Type the number of milliseconds.
- Click Convert.
- Read the result in seconds, plus the same value in every other time unit.
ms to s formula
seconds = milliseconds × 0.001. To go the other way, milliseconds = seconds × 1,000 (see seconds to milliseconds).
Worked example
12 ms × 0.001 = 0.012 s.
Milliseconds to seconds conversion table
| Milliseconds | Seconds |
|---|---|
| 0.1 ms | 0.0001 s |
| 0.5 ms | 0.0005 s |
| 1 ms | 0.001 s |
| 2 ms | 0.002 s |
| 3 ms | 0.003 s |
| 5 ms | 0.005 s |
| 10 ms | 0.01 s |
| 20 ms | 0.02 s |
| 25 ms | 0.025 s |
| 50 ms | 0.05 s |
| 100 ms | 0.1 s |
| 250 ms | 0.25 s |
| 500 ms | 0.5 s |
| 1,000 ms | 1 s |
About the millisecond
One thousandth of a second; network latency and animation timing.
About the second
The SI base unit of time.
Related conversions
Frequently asked questions
How many seconds in a millisecond?
0.001 seconds.
How many milliseconds in a second?
1,000 milliseconds.
Is the factor exact?
The factor 0.001 is derived from the units' exact definitions; only the display is rounded.
Privacy
This tool runs entirely inside your browser using WebAssembly and the Canvas/File APIs. Your files are never uploaded to ToolFlint or any third party; you can verify this in your browser's network tab or by switching to airplane mode after the page loads. Read how we process files.
Last updated 2026-09-23.