Seconds to Milliseconds: the quick answer
1 s = 1,000 ms
1 second equals 1,000 milliseconds
To convert seconds to milliseconds, multiply the value by 1,000. To go the other way, multiply milliseconds by 0.001 to get seconds.
Enter details
1 second =
1,000 milliseconds
1 millisecond =
0.001 seconds
Formula
ms = s × 1,000
Handy values
5 s = 5,000 ms · 10 s = 10,000 ms · 100 s = 100,000 ms
Conversion at a glance
Formula
Seconds to Milliseconds
ms = s × 1,000
Milliseconds to Seconds
s = ms × 0.001
Where
- s = the time in seconds
- ms = the time in milliseconds
Every unit here is defined by its time in seconds, so the conversion factor is (seconds per second) ÷ (seconds per millisecond).
Seconds to Milliseconds conversion table
| Seconds (s) | Milliseconds (ms) |
|---|---|
| 1 s | 1,000 ms |
| 2 s | 2,000 ms |
| 3 s | 3,000 ms |
| 4 s | 4,000 ms |
| 5 s | 5,000 ms |
| 6 s | 6,000 ms |
| 7 s | 7,000 ms |
| 8 s | 8,000 ms |
| 9 s | 9,000 ms |
| 10 s | 10,000 ms |
| 12 s | 12,000 ms |
| 14 s | 14,000 ms |
| 15 s | 15,000 ms |
| 20 s | 20,000 ms |
| 21 s | 21,000 ms |
| 24 s | 24,000 ms |
| 25 s | 25,000 ms |
| 30 s | 30,000 ms |
| 40 s | 40,000 ms |
| 50 s | 50,000 ms |
| 60 s | 60,000 ms |
| 75 s | 75,000 ms |
| 80 s | 80,000 ms |
| 100 s | 100,000 ms |
| 200 s | 200,000 ms |
| 250 s | 250,000 ms |
| 300 s | 300,000 ms |
| 400 s | 400,000 ms |
| 500 s | 500,000 ms |
| 750 s | 750,000 ms |
| 1,000 s | 1,000,000 ms |
Worked examples
About these units
Second (s). The second is the SI base unit of time, defined by the caesium-133 atom.
Millisecond (ms). A millisecond is one thousandth of a second, used for reaction times and computer timing.
Frequently asked questions
How many milliseconds are in one second?
There are 1,000 milliseconds in one second.
How do I convert seconds to milliseconds?
Multiply the number of seconds by 1,000. For example, 10 seconds equal 10,000 milliseconds.
How many seconds are in one millisecond?
One millisecond equals 0.001 seconds.
How many milliseconds is 12 seconds?
12,000 milliseconds. Other common values: 5 seconds = 5,000 milliseconds and 100 seconds = 100,000 milliseconds.
More time conversions
From seconds
To milliseconds
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