MOTION
Plane angle
Angles for geometry, surveying and rotation.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.00000484814 rad1 ″ = 0.00000484814 rad
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″ to rad Converter
Convert arcsecond (″) to radian (rad). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through radian
Enter a arcsecond value to calculate radian with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| microradianfrom ″ | µrad | 4.84814 |
| milliradianfrom ″ | mrad | 0.00484814 |
| radianfrom ″ | rad | 0.00000484814 |
| degreefrom ″ | ° | 0.000277778 |
| arcminutefrom ″ | ′ | 0.0166667 |
| arcsecondfrom ″ | ″ | 1 |
| gradian / gonfrom ″ | gon | 0.000308642 |
| turn / revolutionfrom ″ | turn | 0.000000771605 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
″ to rad Conversion Reference
Arcsecond (″) and radian (rad) are units of plane angle. Use this page to convert in either direction.
Conversion Examples
| Arcsecond (″) | Radian (rad) |
|---|---|
| 1 ″ | 0.00000484814 rad |
| 5 ″ | 0.0000242407 rad |
| 10 ″ | 0.0000484814 rad |
| 100 ″ | 0.000484814 rad |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
rad to ″ (radian to arcsecond)