second of arc ″
1/3600 degree. Astronomy.
快速換算 — second of arc 與常用單位
實時換算器，三個方向。輸入任意值，三個結果同步更新。
second of arc
degree
1 ″ = 0.0003°
second of arc
radian
1 ″ = 4.85e-6rad
second of arc
gradian
1 ″ = 0.0003gon
換算表 — second of arc 與全部Angle單位
1 ″（正向）與 1 反向單位 → {symbol} 的所有數值。
| 目標 / 來源 | 1 ″ = | 1 目標單位 = |
|---|---|---|
| degree (°) | 0.00027778 ° | 3,600 ″ |
| radian (rad) | 4.848137e-6 rad | 206,264.8062471 ″ |
| gradian (gon) | 0.00030864 gon | 3,240 ″ |
| minute of arc (′) | 0.01666667 ′ | 60 ″ |
| turn (tr) | 7.716049e-7 tr | 1,296,000 ″ |
Frequently Asked Questions
What does ″ stand for?
second of arc (″) is a unit of Angle.
How many ″ are in 1 rad?
1 rad = 4.8481e-6 ″, so 1 ″ = 206,264.806247 rad.
Is this the SI base unit?
No. second of arc is one of several units in the Angle category. The SI base is rad.
second of arc的常用換算
#1
second of arc (″) → degree (°)
Convert second of arc (″) to degree.
#2second of arc (″) → radian (rad)
Convert second of arc (″) to radian.
#3second of arc (″) → gradian (gon)
Convert second of arc (″) to gradian.
#4second of arc (″) → minute of arc (′)
Convert second of arc (″) to minute of arc.
#5second of arc (″) → turn (tr)
Convert second of arc (″) to turn.