42 Milliseconds to Seconds

42 ms = 0.042 s

Calculation: s = 42 ms × 0.001 = 0.042 s

Millisecond to Second Converter

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How long is 42 ms?

42 millisecond (0.042 seconds) is shorter than the blink of an eye.

What does 42 ms look like?

Illustration of an eye blinking
42 millisecond (0.042 seconds) is shorter than the blink of an eye.

How to Convert Millisecond to Second

1 millisecond = 0.001 seconds

Second = Millisecond × 0.001

Example: 42 ms × 0.001 = 0.042 s

Reverse Conversion

To convert seconds back to milliseconds:

  • Remember, 1 second equals 1000 milliseconds.
  • To convert 0.042 s to ms, multiply 0.042 x 1000, resulting in 42 ms.

42 ms is also equal to:

  • 0.0007 minute
About these units

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

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...

Frequently Asked Questions

How much is 42 milliseconds in seconds?

42 milliseconds equals 0.042 seconds. This is calculated by multiplying 42 by the conversion factor 0.001.

What does 42 milliseconds look like in seconds?

42 milliseconds equals 0.042 seconds, a conversion useful in scheduling, project management, and scientific timing.

How do you calculate 42 milliseconds to seconds?

Multiply 42 by the conversion factor 0.001. The calculation is 42 × 0.001 = 0.042 seconds. This factor is defined by international measurement standards.

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42 milliseconds = 0.042 seconds
42 milliseconds = 0.042 seconds — conversion chart

Nearby Conversions

32 milliseconds0.032 seconds 33 milliseconds0.033 seconds 34 milliseconds0.034 seconds 35 milliseconds0.035 seconds 36 milliseconds0.036 seconds 37 milliseconds0.037 seconds 38 milliseconds0.038 seconds 39 milliseconds0.039 seconds 40 milliseconds0.04 seconds 41 milliseconds0.041 seconds 43 milliseconds0.043 seconds 44 milliseconds0.044 seconds 45 milliseconds0.045 seconds 46 milliseconds0.046 seconds 47 milliseconds0.047 seconds 48 milliseconds0.048 seconds 49 milliseconds0.049 seconds 50 milliseconds0.05 seconds 51 milliseconds0.051 seconds 52 milliseconds0.052 seconds

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

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.