# ››Convert arcsecond to microradian

 arcsecond microradian

# ››More information from the unit converter

How many arcsecond in 1 microradian? The answer is 0.206264806247.
We assume you are converting between arcsecond and microradian.
You can view more details on each measurement unit:
arcsecond or microradian
The SI derived unit for angle is the radian.
1 radian is equal to 206264.806247 arcsecond, or 1000000 microradian.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between arcseconds and microradians.
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# ››Definition: Second

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.

# ››Definition: Microradian

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

So 1 microradian = 10-6 radians.

The definition of a radian is as follows:

In mathematics and physics, the radian is a unit of angle measure. It is the SI derived unit of angle. It is defined as the angle subtended at the center of a circle by an arc of circumference equal in length to the radius of the circle. Angle measures in radians are often given without any explicit unit. When a unit is given, sometimes the abbreviation rad is used, sometimes the symbol c (for "circular").

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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!