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Convert Milliseconds to Microseconds

1 millisecond = 1,000 microseconds. Multiply the number of milliseconds by 1000.

Result
1,000

1 ms = 1,000 µs

Multiply the number of milliseconds by 1000.

Results are rounded for display. Double-check values for critical work.

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Popular time conversions

Milliseconds to Microseconds table

MillisecondsMicroseconds
1 ms1,000 µs
2 ms2,000 µs
3 ms3,000 µs
4 ms4,000 µs
5 ms5,000 µs
10 ms10,000 µs
20 ms20,000 µs
25 ms25,000 µs
50 ms50,000 µs
100 ms100,000 µs
500 ms500,000 µs
1000 ms1,000,000 µs

About these units

The millisecond (ms) is a unit of time, equal to 0.001 seconds.

The microsecond (µs) is a unit of time, equal to 0.000001 seconds.

Going the other way, 1 microsecond = 0.001 milliseconds. Time conversions look trivial until months and years appear — a month is not 30 days and a year is not 365. This converter uses the astronomical averages (30.44 days and 365.2425 days) so long-range answers stay accurate.

Frequently asked

How many microseconds are in a millisecond?
1 millisecond = 1,000 microseconds.
How do you convert milliseconds to microseconds?
Multiply the number of milliseconds by 1000.
What is 10 ms in µs?
10 ms = 10,000 µs.

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