Convert Milliseconds to Seconds
1 ms = 0.001 s. Enter any value below.
Converted to every unit
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Milliseconds to Seconds formula
s = ms × 0.001
A millisecond is one thousandth of a second. The second is the SI base unit of time.
Worked example
To convert 5 ms, multiply by 0.001: 5 ms × 0.001 = 0.005 s.
Milliseconds to Seconds conversion table
| Milliseconds | Seconds |
|---|---|
| 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 |
| 12 ms | 0.012 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 |
Frequently asked questions
How many seconds are in a millisecond?
1 ms equals 0.001 s.
How do I convert milliseconds to seconds?
Use the formula s = ms × 0.001. For example, 5 ms = 0.005 s.
Last reviewed: October 2026 · Uses exact, internationally defined conversion factors.