Milliradians to Arcseconds Converter

Convert angle measurements from milliradians (mrad) to arcseconds ("). 1 milliradian equals approximately 206.265 arcseconds.

milliradians (mrad)
Result
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Common Milliradians to Arcseconds Conversions

Milliradians (mrad)Arcseconds (")
0.01 mrad2.06265"
0.1 mrad20.6265"
0.5 mrad103.132"
1 mrad206.265"
5 mrad1,031.32"
10 mrad2,062.65"

How to Convert Milliradians to Arcseconds

A milliradian is 1/1000 of a radian, and an arcsecond is 1/3600 of a degree. To convert milliradians to arcseconds, multiply by 648/pi, which equals approximately 206.265.

The Conversion Formula

arcseconds = milliradians x (648 / pi) = milliradians x 206.265

Example: Converting 1 Milliradian to Arcseconds

arcseconds = 1 mrad x 206.265 = 206.265"

Understanding the Relationship

Since 1 radian = 180/pi degrees = 648000/pi arcseconds, and 1 milliradian = 1/1000 radian, we get 1 milliradian = 648/pi arcseconds. This is an important conversion in astronomy and precision optics.