0.001 Seconds to Milliseconds

0.001 s = 1 ms

Calculation: ms = 0.001 s × 1000 = 1 ms

Second to Millisecond Converter

Choose the type of measurement to convert
Select the source unit to convert from
Select the target unit to convert to
Enter a numeric value or fraction to convert
Sig. Figures:

How long is 0.001 s?

0.001 seconds is shorter than the blink of an eye.

What does 0.001 s look like?

Illustration of an eye blinking
0.001 seconds is shorter than the blink of an eye.

How to Convert Second to Millisecond

1 second = 1000 milliseconds

Millisecond = Second × 1000

Example: 0.001 s × 1000 = 1 ms

Reverse Conversion

To convert milliseconds back to seconds:

  • Remember, 1 millisecond equals 0.001 seconds.
  • To convert 1 ms to s, multiply 1 x 0.001, resulting in 0.001 s.
About these units

Second: s — The second is the SI base unit of time. Since 1967, it has been defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels...

Millisecond: ms — The millisecond is a unit of time equal to one thousandth of a second (0.001 s or 10⁻³ s).

Frequently Asked Questions

How much is 0.001 seconds in milliseconds?

0.001 seconds equals 1 millisecond. This is calculated by multiplying 0.001 by the conversion factor 1000.

What does 0.001 seconds look like in milliseconds?

0.001 seconds (1 millisecond) is less than a blink of an eye (a blink is about 0.3 seconds).

How do you calculate 0.001 seconds to milliseconds?

Multiply 0.001 by the conversion factor 1000. The calculation is 0.001 × 1000 = 1 millisecond. This factor is defined by international measurement standards.

Share This Calculation

0.001 seconds = 1 millisecond
0.001 seconds = 1 millisecond — conversion chart

Nearby Conversions

0.002 seconds2 milliseconds 0.003 seconds3 milliseconds 0.004 seconds4 milliseconds 0.005 seconds5 milliseconds 0.006 seconds6 milliseconds 0.007 seconds7 milliseconds 0.008 seconds8 milliseconds 0.009 seconds9 milliseconds 0.01 seconds10 milliseconds 0.011 seconds11 milliseconds

For general conversions between seconds and milliseconds, see the seconds to milliseconds converter.

Also convert Seconds to:

Conversion factors verified against NIST, BIPM, ISO 8601 Second defined by Cs-133 transition (SI, BIPM). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.