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Microsecond Converters

Convert microseconds to and from milliseconds, seconds, minutes, nanoseconds, and other time units.

What this tool does

Convert microseconds to and from milliseconds, seconds, minutes, nanoseconds, and other time units. Type an amount in microseconds, choose the units, and the tool converts it to milliseconds. It offers 6 time units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one: Nanosecond, Microsecond, Millisecond, Second, Minute, Hour. Starts as Microsecond.
  • To: Choose one of the same 6 units as "From". Starts as Millisecond.

How to use

  1. Enter the amount you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the result: the converted amount and the same amount in the other units. It appears once every required field has a valid value.

Worked examples

Conversions from microseconds to milliseconds:

  • 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

Multiply the number of microseconds by 0.001 to get milliseconds. Both units are exact definitions, so 0.001 is the exact factor: 1 µs = 0.001 ms.

Sources: Microsecond: SI Brochure, 9th edition (2019, updated 2022), Table 7 (SI prefixes). Millisecond: SI Brochure, 9th edition (2019, updated 2022), Table 7 (SI prefixes).

Limitations

  • Converts a length of time between units. It does not work out the time between two calendar dates.

FAQs

Q: How many milliseconds are in one microsecond?
A: One microsecond is 0.001 milliseconds. Change the From and To boxes to convert any other pair of units.
Q: Can I convert the other way, from milliseconds to microseconds?
A: Yes. Swap the From and To units. One millisecond is 1,000 microseconds.

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