Milliseconds to seconds converter
Seconds (s)
1 millisecond = 0.001 seconds
How to convert milliseconds to seconds
s = ms × 0.001
Multiply the number of milliseconds by 0.001 to get seconds. Going the other way, divide by 0.001 (or multiply by 1000).
One millisecond is exactly defined as 0.001 seconds (to 12 significant figures), and one second is 1000 milliseconds.
Worked examples
- Convert 5 milliseconds: 5 × 0.001 = 0.005 0.005 seconds.
- Convert 12.5 milliseconds: 12.5 × 0.001 = 0.0125 0.0125 seconds.
- Convert 250 milliseconds: 250 × 0.001 = 0.25 0.25 seconds.
Quick-reference table
| ms | s |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 15 | 0.015 |
| 20 | 0.02 |
| 25 | 0.025 |
| 50 | 0.05 |
| 75 | 0.075 |
| 100 | 0.1 |
| 1,000 | 1 |
| s | ms |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 15 | 15,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 75 | 75,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
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Frequently asked questions
How many seconds are in 1 millisecond?
1 millisecond equals 0.001 seconds.
What is the formula to convert milliseconds to seconds?
Use s = ms × 0.001. Multiply the number of milliseconds by 0.001 to get seconds. Going the other way, divide by 0.001 (or multiply by 1000).
What is 100 milliseconds in seconds?
100 milliseconds is 0.1 seconds.