1 second to milliseconds
1 s = 1,000 ms. Change the amount below, or read the formula and the reference table further down.
1 second equals
milliseconds
1 s = 1,000 ms
The formula
Seconds and milliseconds both measure time from the same zero, so a single multiplier does the job.
ms = s × 1,000
Going the other way? Convert milliseconds to seconds.
Seconds to milliseconds table
Values either side of 1 s.
| Seconds (s) | Milliseconds (ms) |
|---|---|
| -4 | -4,000 |
| -3.5 | -3,500 |
| -3 | -3,000 |
| -2.5 | -2,500 |
| -2 | -2,000 |
| -1.5 | -1,500 |
| -1 | -1,000 |
| -0.5 | -500 |
| 0 | 0 |
| 0.5 | 500 |
| 1 | 1,000 |
| 1.5 | 1,500 |
| 2 | 2,000 |
| 2.5 | 2,500 |
| 3 | 3,000 |
| 3.5 | 3,500 |
| 4 | 4,000 |
| 4.5 | 4,500 |
| 5 | 5,000 |
| 5.5 | 5,500 |
| 6 | 6,000 |
Questions people ask
- How many milliseconds are in a second?
- One second equals 1,000 milliseconds.
- How do I convert seconds to milliseconds by hand?
- Multiply the number of seconds by 1,000. For a rough check, 1,000 is close enough for most everyday use.
- What is 1 second in milliseconds?
- 1 second is 1,000 milliseconds.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.