How to convert microseconds to milliseconds
To convert a measurement in microseconds to milliseconds, multiply the value by 0.001. The conversion factor comes from the relationship between both units and the second.
For example, to convert 5 µs to milliseconds: 5 × 0.001 = 0.005 ms.
What is a microsecond?
A microsecond is one millionth of a second (0.000001 s). There are 1,000 microseconds in one millisecond. The microsecond is central to electronics and telecommunications, where signal propagation and processor operations occur on this scale. It became meaningful with high-speed circuitry.
Common uses of microseconds include: Processor instruction timing; High-speed data transmission; Radar and sonar signal timing; Scientific instrumentation triggers.
What is a millisecond?
A millisecond is one thousandth of a second (0.001 s). There are 1,000 milliseconds in one second. The millisecond became a practical everyday unit with the rise of digital electronics and computing, where events on this timescale (network pings, screen refreshes) directly affect user experience.
Common uses of milliseconds include: Network latency and ping times; Display refresh and input response times; Camera shutter speeds; Audio processing and synchronization.
Microseconds to milliseconds worked examples
Here are some common values converted:
1 µs = 0.001 ms 5 µs = 0.005 ms 10 µs = 0.01 ms 50 µs = 0.05 ms 100 µs = 0.1 ms
Frequently asked questions
How many milliseconds are in one microsecond?
One microsecond (µs) equals 0.001 milliseconds (ms). Multiply any value in microseconds by 0.001 to convert to milliseconds.
How do I convert microseconds to milliseconds?
Multiply the value in microseconds by 0.001. For example, 5 µs × 0.001 = 0.005 ms.
How do I convert milliseconds to microseconds?
Multiply the value in milliseconds by 1,000, or divide by 0.001. Use the swap button on the converter above to reverse the direction.
Is the microsecond to millisecond conversion exact?
Fixed units (second through week) are exact. Month and year use the average Gregorian calendar length (30.44 and 365.2425 days) since these vary in practice.
What is the formula for microseconds to milliseconds?
The formula is: ms = µs × 0.001. This comes from the definition of both units relative to the second.