1 microsecond (µs) = 0.001 milliseconds (ms). To convert, divide by 1,000: ms = µs ÷ 1,000. For example, 500 µs = 0.5 ms.
ms = µs ÷ 1,000
Microseconds to milliseconds table
| Microseconds (µs) | Milliseconds (ms) |
|---|---|
| 100 | 0.1 |
| 200 | 0.2 |
| 300 | 0.3 |
| 400 | 0.4 |
| 500 | 0.5 |
| 1,000 | 1 |
| 2,000 | 2 |
| 2,500 | 2.5 |
| 5,000 | 5 |
| 10,000 | 10 |
| 25,000 | 25 |
| 50,000 | 50 |
| 100,000 | 100 |
The two units
Microsecond (µs). One millionth of a second.
Millisecond (ms). One thousandth of a second, the usual unit for network latency.
Because both units are defined in terms of the same base unit, the factor 0.001 is exact, not a rounded measurement.
Convert microseconds to other units
- Microseconds to seconds — 1 µs = 0.000001 s
- Microseconds to nanoseconds — 1 µs = 1,000 ns
- Microseconds to minutes — 1 µs = 1.666667e-8 min
- Microseconds to hours — 1 µs = 2.777778e-10 h
- Microseconds to days — 1 µs = 1.157407e-11 d
- Microseconds to weeks — 1 µs = 1.653439e-12 wk
- Microseconds to years (365 days) — 1 µs = 3.170979e-14 yr
Convert other units to milliseconds
Questions people ask
- How many milliseconds are in a microsecond?
- 0.001, exactly.
- How do you convert microseconds to milliseconds?
- ms = µs ÷ 1,000. It is the same as dividing by 1,000.
- How do you convert milliseconds back to microseconds?
- µs = ms × 1,000. See milliseconds to microseconds.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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