Radian to Arcsecond
Convert Radian to Arcsecond instantly. Free online angle unit converter with exact formula, conversion table and FAQ.
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Formula
arcsecond = radian × 206264.806247
radian = arcsecond × 0.000005
Conversion table
| 1 rad | 206264.806247 arcsec |
| 5 rad | 1.031324e+06 arcsec |
| 10 rad | 2.062648e+06 arcsec |
| 20 rad | 4.125296e+06 arcsec |
| 50 rad | 1.031324e+07 arcsec |
| 100 rad | 2.062648e+07 arcsec |
| 500 rad | 1.031324e+08 arcsec |
| 1000 rad | 2.062648e+08 arcsec |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the radian (rad). The radian is the SI angle unit.
What is the destination unit in this conversion?
The destination unit is the arcsecond (arcsec). One arcsecond is 1/3600 degree.
How do I convert radian to arcsecond?
Multiply the radian value by 206264.806247. For example, 10 rad × 206264.806247 = 2.062648e+06 arcsec.
Is the radian to arcsecond conversion exact?
Yes. The relationship between these units is a fixed mathematical or SI-defined ratio, so the conversion factor is exact rather than a measured approximation.
Where is this conversion commonly used?
It's used whenever a value expressed in radian needs to be compared with, or reported in, arcsecond, such as in engineering, scientific, or everyday calculations.
Can I convert arcsecond back to radian?
Yes. Multiply the arcsecond value by 0.000005 to get radian.
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About this conversion
This page converts radian (rad) to arcsecond (arcsec) within the angle converter.
The radian is the SI angle unit. One arcsecond is 1/3600 degree.
The formula is arcsecond = radian × 206264.806247, based on each unit's fixed relationship to the angle converter's base unit.
The conversion is exact, since it relies on a fixed numerical ratio between the two units rather than a measured or approximate value.
Use the calculator above for instant results, or the table below for common radian values already converted to arcsecond.