Millisecond to Second Converter
1 millisecond is exactly 0.001 seconds. Convert milliseconds (ms) to seconds (s) below: type a value and the result updates as you type.
ms to s calculator
Result
Millisecond to Second conversion
1 ms = 0.001 sone millisecond in seconds
1 s = 1000 msone second in milliseconds
Millisecond (ms): One thousandth of a second.
Second (s): SI base unit of time, defined by the caesium-133 hyperfine transition frequency.
Source:SI Brochure, 9th edition (BIPM, 2019)
How to convert milliseconds to seconds
To convert milliseconds to seconds, multiply the number of milliseconds by 0.001.
Formula
s = ms × 0.001
Examples
- 5 ms = 5 × 0.001 = 0.005 s
- 25 ms = 25 × 0.001 = 0.025 s
- 100 ms = 100 × 0.001 = 0.1 s
Millisecond to Second conversion table
| Millisecond (ms) | Second (s) |
|---|---|
| 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 |
| 1000 ms | 1 s |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many seconds are in one millisecond?
- One millisecond is exactly 0.001 seconds.
- How do I convert seconds to milliseconds?
- To convert seconds to milliseconds, multiply the number of seconds by 1000. The formula is ms = s × 1000.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 0.001 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a millisecond or a second?
- A second is 1000 times larger than a millisecond. In other words, a millisecond is exactly 1/1000 of a second.