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Convert Milliseconds to Seconds

1 millisecond = 0.001 seconds. Multiply the number of milliseconds by 0.001.

Result
0.001

1 ms = 0.001 s

Multiply the number of milliseconds by 0.001.

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

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Popular time conversions

Milliseconds to Seconds table

MillisecondsSeconds
1 ms0.001 s
2 ms0.002 s
3 ms0.003 s
4 ms0.004 s
5 ms0.005 s
10 ms0.01 s
20 ms0.02 s
25 ms0.025 s
50 ms0.05 s
100 ms0.1 s
500 ms0.5 s
1000 ms1 s

About these units

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

The second (s) is an SI base or derived unit of time.

Going the other way, 1 second = 1,000 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 seconds are in a millisecond?
1 millisecond = 0.001 seconds.
How do you convert milliseconds to seconds?
Multiply the number of milliseconds by 0.001.
What is 10 ms in s?
10 ms = 0.01 s.

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