second of arc to radian
Live second of arc (″) to radian (rad) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from second of arc to radian. Use the converter above for arbitrary values.
| second of arc (″) | → | radian (rad) |
|---|---|---|
| 0.001 ″ | → | 4.8481e-9 rad |
| 0.01 ″ | → | 4.8481e-8 rad |
| 0.1 ″ | → | 4.8481e-7 rad |
| 0.5 ″ | → | 2.4241e-6 rad |
| 1 ″ | → | 4.8481e-6 rad |
| 2 ″ | → | 9.6963e-6 rad |
| 5 ″ | → | 2.4241e-5 rad |
| 10 ″ | → | 4.8481e-5 rad |
| 100 ″ | → | 0.000485 rad |
| 1,000 ″ | → | 0.004848 rad |
About the second of arc
1/3600 degree. Astronomy.
About the radian
The angle subtended by an arc equal to the radius. SI unit.
How second of arc to radian conversion works
Both units belong to Angle. Unitbox first expresses the input in the category reference unit (rad), then expresses that same quantity in radian.
The right unit depends on the convention used by your industry, country, instrument, or source document.
Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.
Frequently asked questions
Frequently Asked Questions
How do I convert second of arc to radian?
Multiply the second of arc value by 4.8481e-6 to get it in radian. For example, 10 ″ = 4.85e-5 rad.
What is 1 ″ in rad?
1 ″ = 4.8481e-6 rad.
What is 100 ″ in rad?
100 ″ = 0.0005 rad.
What is the formula?
Linear: multiply by 4.8481e-6 (the unit factor ratio).
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