Convert milliseconds to seconds
1 ms = 0.001 s — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
0.001s
As a fraction: 1/1000
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1 ms = 0.001 s
Show this value in all 22 time units
- Kiloseconds ks 0.000 001
- Seconds s 0.001
- Milliseconds ms 1
- Microseconds µs 1000
- Nanoseconds ns 1 000 000
- Picoseconds ps 1 000 000 000
- Femtoseconds fs 1 000 000 000 000
- Attoseconds as 1 000 000 000 000 000
- Minutes min 0.000 016 666 666 666 7
- Hours h 0.000 000 277 777 777 778
- Days d 1.15740740741e-8
- Weeks wk 1.65343915344e-9
- Fortnights fn 8.2671957672e-10
- Month (average)s mo 3.80264862082e-10
- Year (Gregorian)s yr 3.16887385068e-11
- Year (Julian)s a 3.1688087814e-11
- Year (tropical)s a (trop) 3.16887654027e-11
- Decades dec 3.16887385068e-12
- Centuries c 3.16887385068e-13
- Millennia ka 3.16887385068e-14
- Shakes shake 100 000
- Planck times tₚ 1.85485843999e+40
Every row is Millisecond (ms) converted through the second, in exact rational arithmetic.
How to convert milliseconds to seconds
Multiply the number of milliseconds by 0.001 to get seconds.
The exact factor is 0.001 — as a fraction, 1/1000.
Millisecond to Second conversion table
| Milliseconds (ms) | Seconds (s) |
|---|---|
| 1 ms | 0.001 |
| 2 ms | 0.002 |
| 3 ms | 0.003 |
| 5 ms | 0.005 |
| 10 ms | 0.01 |
| 20 ms | 0.02 |
| 25 ms | 0.025 |
| 50 ms | 0.05 |
| 100 ms | 0.1 |
| 250 ms | 0.25 |
| 500 ms | 0.5 |
| 1000 ms | 1 |
Second to Millisecond conversion table
| Seconds (s) | Milliseconds (ms) |
|---|---|
| 1 s | 1000 |
| 2 s | 2000 |
| 3 s | 3000 |
| 5 s | 5000 |
| 10 s | 10 000 |
| 20 s | 20 000 |
| 25 s | 25 000 |
| 50 s | 50 000 |
| 100 s | 100 000 |
| 250 s | 250 000 |
| 500 s | 500 000 |
| 1000 s | 1 000 000 |
Frequently asked
How many seconds are in a millisecond?
One millisecond equals 0.001 seconds (ms → s). That figure is exact, not rounded.
How do you convert milliseconds to seconds?
Multiply the number of milliseconds by 0.001 to get seconds.
What is 1 s in milliseconds?
One second is 1000 milliseconds.
What is 10 ms in s?
10 ms = 0.01 s.