How many millimilliradian in 1 arcsecond? The answer is 4.8481368110954. We assume you are converting between millimilliradian and arcsecond. You can view more details on each measurement unit: millimilliradian or arcsecond The SI derived unit for angle is the radian. 1 radian is equal to 1000000 millimilliradian, or 206264.8062471 arcsecond. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millimils and arcseconds. Type in your own numbers in the form to convert the units!
1 millimilliradian to arcsecond = 0.20626 arcsecond
5 millimilliradian to arcsecond = 1.03132 arcsecond
10 millimilliradian to arcsecond = 2.06265 arcsecond
20 millimilliradian to arcsecond = 4.1253 arcsecond
30 millimilliradian to arcsecond = 6.18794 arcsecond
40 millimilliradian to arcsecond = 8.25059 arcsecond
50 millimilliradian to arcsecond = 10.31324 arcsecond
75 millimilliradian to arcsecond = 15.46986 arcsecond
100 millimilliradian to arcsecond = 20.62648 arcsecond
You can do the reverse unit conversion from arcsecond to millimilliradian, or enter any two units below:
The SI prefix "milli" represents a factor of 10-3, or in exponential notation, 1E-3.
So 1 millimilliradian = 10-3 milliradian.
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.
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, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!