30 弧分 → 弧秒

30 ′ =
1,800
弧秒 (″)
1 ′ = 60.0000 ″
01

NEARBY VALUES

弧分 (′) 弧秒 (″)
20 ′ 1,200 ″
25 ′ 1,500 ″
29 ′ 1,740 ″
31 ′ 1,860 ″
35 ′ 2,100 ″
40 ′ 2,400 ″