Convert seconds to milliseconds
Seconds to milliseconds. Enter a value to convert, or use the seconds to milliseconds chart further down the page.
1 second equals 1,000 milliseconds. Going the other way, 1 millisecond = 0.001 seconds.
Note. Months and years are not fixed lengths. This converter uses the average Gregorian year of 365.2425 days and the average month of one twelfth of that.
How to convert seconds to milliseconds
To convert seconds to milliseconds, multiply the second value by 1000. You can also divide by 0.001 to get the same answer.
ms = s × 1000
Worked example
Convert 30 s to milliseconds:
30 s = 30,000 ms
seconds to milliseconds conversion chart
Use this seconds to milliseconds table for quick reference without typing anything.
| seconds (s) | milliseconds (ms) |
|---|---|
| 1 s | 1,000 ms |
| 2 s | 2,000 ms |
| 5 s | 5,000 ms |
| 10 s | 10,000 ms |
| 15 s | 15,000 ms |
| 30 s | 30,000 ms |
| 45 s | 45,000 ms |
| 60 s | 60,000 ms |
| 100 s | 100,000 ms |
| 1,000 s | 1,000,000 ms |
What is a second?
The second is the SI base unit of time, defined by 9,192,631,770 periods of the radiation of the caesium-133 atom.
What is a millisecond?
A millisecond is one thousandth of a second. Network latency, camera shutter speeds and audio buffers are all measured in milliseconds.
Frequently asked questions
How many milliseconds are in a second?
1 seconds equals 1,000 milliseconds. Going the other way, 1 milliseconds is 0.001 seconds.
How do you convert seconds to milliseconds?
To convert seconds to milliseconds, multiply the second value by 1000. You can also divide by 0.001 to get the same answer.
What is 10 seconds in milliseconds?
10 seconds equals 10,000 milliseconds. The conversion chart on this page lists the other values people look up most often.
Related time conversions
Convert seconds to other units
- milliseconds to seconds
- seconds to minutes
- seconds to hours
- seconds to days
- seconds to weeks
- seconds to months
- seconds to years
Convert other units to milliseconds
- minutes to milliseconds
- hours to milliseconds
- days to milliseconds
- weeks to milliseconds
- months to milliseconds
- years to milliseconds
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