70fc是多少lx？
70fc = 753.474lx
是753.474lx，所以說成753lx也沒問題——四捨五入的誤差在0.5%以內。
反過來，70lx是多少fc？
70lx = 6.503fc
計算公式: lx = fc × 10.76391
該數值前後的 fc → lx
25 fc269.098lx
30 fc322.917lx
35 fc376.737lx
40 fc430.556lx
45 fc484.376lx
50 fc538.196lx
55 fc592.015lx
60 fc645.835lx
65 fc699.654lx
70 fc753.474lx
75 fc807.293lx
80 fc861.113lx
85 fc914.932lx
90 fc968.752lx
95 fc1,022.571lx
100 fc1,076.391lx
105 fc1,130.211lx
110 fc1,184.03lx
115 fc1,237.85lx
120 fc1,291.669lx