Convert microseconds to milliseconds
1 µs = 0.001 ms — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
0.001ms
As a fraction: 1/1000
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1 µs = 0.001 ms
Show this value in all 22 time units
- Kiloseconds ks 1e-9
- Seconds s 0.000 001
- Milliseconds ms 0.001
- Microseconds µs 1
- Nanoseconds ns 1000
- Picoseconds ps 1 000 000
- Femtoseconds fs 1 000 000 000
- Attoseconds as 1 000 000 000 000
- Minutes min 1.66666666667e-8
- Hours h 2.77777777778e-10
- Days d 1.15740740741e-11
- Weeks wk 1.65343915344e-12
- Fortnights fn 8.2671957672e-13
- Month (average)s mo 3.80264862082e-13
- Year (Gregorian)s yr 3.16887385068e-14
- Year (Julian)s a 3.1688087814e-14
- Year (tropical)s a (trop) 3.16887654027e-14
- Decades dec 3.16887385068e-15
- Centuries c 3.16887385068e-16
- Millennia ka 3.16887385068e-17
- Shakes shake 100
- Planck times tₚ 1.85485843999e+37
Every row is Microsecond (µs) converted through the second, in exact rational arithmetic.
How to convert microseconds to milliseconds
Multiply the number of microseconds by 0.001 to get milliseconds.
The exact factor is 0.001 — as a fraction, 1/1000.
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 |
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 |
Frequently asked
How many milliseconds are in a microsecond?
One microsecond equals 0.001 milliseconds (µs → ms). That figure is exact, not rounded.
How do you convert microseconds to milliseconds?
Multiply the number of microseconds by 0.001 to get milliseconds.
What is 1 ms in microseconds?
One millisecond is 1000 microseconds.
What is 10 µs in ms?
10 µs = 0.01 ms.