Convert milliseconds to microseconds
1 ms = 1000 µs — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
1000µs
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1 ms = 1000 µs
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 microseconds
Multiply the number of milliseconds by 1000 to get microseconds.
The exact factor is 1000 .
Millisecond to Microsecond conversion table
| Milliseconds (ms) | Microseconds (µs) |
|---|---|
| 1 ms | 1000 |
| 2 ms | 2000 |
| 3 ms | 3000 |
| 5 ms | 5000 |
| 10 ms | 10 000 |
| 20 ms | 20 000 |
| 25 ms | 25 000 |
| 50 ms | 50 000 |
| 100 ms | 100 000 |
| 250 ms | 250 000 |
| 500 ms | 500 000 |
| 1000 ms | 1 000 000 |
Microsecond to Millisecond conversion table
| Microseconds (µs) | Milliseconds (ms) |
|---|---|
| 1 µs | 0.001 |
| 2 µs | 0.002 |
| 3 µs | 0.003 |
| 5 µs | 0.005 |
| 10 µs | 0.01 |
| 20 µs | 0.02 |
| 25 µs | 0.025 |
| 50 µs | 0.05 |
| 100 µs | 0.1 |
| 250 µs | 0.25 |
| 500 µs | 0.5 |
| 1000 µs | 1 |
Frequently asked
How many microseconds are in a millisecond?
One millisecond equals 1000 microseconds (ms → µs). That figure is exact, not rounded.
How do you convert milliseconds to microseconds?
Multiply the number of milliseconds by 1000 to get microseconds.
What is 1 µs in milliseconds?
One microsecond is 0.001 milliseconds.
What is 10 ms in µs?
10 ms = 10 000 µs.