How many microseconds in 1 seconds?
The answer is 1000000.

We assume you are converting between **microsecond** and **second**.

You can view more details on each measurement unit:

microseconds or
seconds

The SI base unit for **time** is the second.

1 microseconds is equal to 1.0E-6 second.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between microseconds and seconds.

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The SI prefix "micro" represents a factor of
10^{-6}, or in exponential notation, 1E-6.

So 1 microsecond = 10^{-6} arcseconds.

The definition of a second is as follows:

A second of arc or arcsecond is a unit of angular measurement which comprises one-sixtieth of an arcminute, or 1/3600 of a degree of arc or 1/1296000 (approximately 7.7×10-7) of a circle. It is the angular diameter of an object of 1 unit diameter at a distance of 360×60×60/(2pi) (approximately 206,265 units), such as (approximately) 1 cm at 2.1 km, or, directly from the definition, 1 astronomical unit at 1 parsec.

The second (symbol s) is a unit for time, and one of seven SI base units. It is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom at zero kelvins.

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