How many lx is 20 fc?
20 fc = 215.278 lx
It is 215.278 lx, so saying 215 lx is fine — rounding is within 0.5%.
And how many fc is 20 lx?
20 lx = 1.858 fc
Formula: lx = fc × 10.76391
fc to lx around this value
2 fc21.528lx
4 fc43.056lx
6 fc64.583lx
8 fc86.111lx
10 fc107.639lx
12 fc129.167lx
14 fc150.695lx
16 fc172.223lx
18 fc193.75lx
20 fc215.278lx
22 fc236.806lx
24 fc258.334lx
26 fc279.862lx
28 fc301.389lx
30 fc322.917lx
32 fc344.445lx
34 fc365.973lx
36 fc387.501lx
38 fc409.029lx
40 fc430.556lx