1 sq ft = 0.00022957 sq ch
2 sq ft = 0.00045914 sq ch
3 sq ft = 0.00068871 sq ch
4 sq ft = 0.00091827 sq ch
5 sq ft = 0.00114784 sq ch
6 sq ft = 0.00137741 sq ch
7 sq ft = 0.00160698 sq ch
8 sq ft = 0.00183655 sq ch
9 sq ft = 0.00206612 sq ch
10 sq ft = 0.00229568 sq ch
11 sq ft = 0.00252525 sq ch
12 sq ft = 0.00275482 sq ch
13 sq ft = 0.00298439 sq ch
14 sq ft = 0.00321396 sq ch
15 sq ft = 0.00344353 sq ch
16 sq ft = 0.00367309 sq ch
17 sq ft = 0.00390266 sq ch
18 sq ft = 0.00413223 sq ch
19 sq ft = 0.0043618 sq ch
20 sq ft = 0.00459137 sq ch
21 sq ft = 0.00482094 sq ch
22 sq ft = 0.00505051 sq ch
23 sq ft = 0.00528007 sq ch
24 sq ft = 0.00550964 sq ch
25 sq ft = 0.00573921 sq ch
26 sq ft = 0.00596878 sq ch
27 sq ft = 0.00619835 sq ch
28 sq ft = 0.00642792 sq ch
29 sq ft = 0.00665748 sq ch
30 sq ft = 0.00688705 sq ch
31 sq ft = 0.00711662 sq ch
32 sq ft = 0.00734619 sq ch
33 sq ft = 0.00757576 sq ch
34 sq ft = 0.00780533 sq ch
35 sq ft = 0.00803489 sq ch
36 sq ft = 0.00826446 sq ch
37 sq ft = 0.00849403 sq ch
38 sq ft = 0.0087236 sq ch
39 sq ft = 0.00895317 sq ch
40 sq ft = 0.00918274 sq ch
41 sq ft = 0.0094123 sq ch
42 sq ft = 0.00964187 sq ch
43 sq ft = 0.00987144 sq ch
44 sq ft = 0.01010101 sq ch
45 sq ft = 0.01033058 sq ch
46 sq ft = 0.01056015 sq ch
47 sq ft = 0.01078972 sq ch
48 sq ft = 0.01101928 sq ch
49 sq ft = 0.01124885 sq ch
50 sq ft = 0.01147842 sq ch
51 sq ft = 0.01170799 sq ch
52 sq ft = 0.01193756 sq ch
53 sq ft = 0.01216713 sq ch
54 sq ft = 0.01239669 sq ch
55 sq ft = 0.01262626 sq ch
56 sq ft = 0.01285583 sq ch
57 sq ft = 0.0130854 sq ch
58 sq ft = 0.01331497 sq ch
59 sq ft = 0.01354454 sq ch
60 sq ft = 0.0137741 sq ch
61 sq ft = 0.01400367 sq ch
62 sq ft = 0.01423324 sq ch
63 sq ft = 0.01446281 sq ch
64 sq ft = 0.01469238 sq ch
65 sq ft = 0.01492195 sq ch
66 sq ft = 0.01515152 sq ch
67 sq ft = 0.01538108 sq ch
68 sq ft = 0.01561065 sq ch
69 sq ft = 0.01584022 sq ch
70 sq ft = 0.01606979 sq ch
71 sq ft = 0.01629936 sq ch
72 sq ft = 0.01652893 sq ch
73 sq ft = 0.01675849 sq ch
74 sq ft = 0.01698806 sq ch
75 sq ft = 0.01721763 sq ch
76 sq ft = 0.0174472 sq ch
77 sq ft = 0.01767677 sq ch
78 sq ft = 0.01790634 sq ch
79 sq ft = 0.0181359 sq ch
80 sq ft = 0.01836547 sq ch
81 sq ft = 0.01859504 sq ch
82 sq ft = 0.01882461 sq ch
83 sq ft = 0.01905418 sq ch
84 sq ft = 0.01928375 sq ch
85 sq ft = 0.01951331 sq ch
86 sq ft = 0.01974288 sq ch
87 sq ft = 0.01997245 sq ch
88 sq ft = 0.02020202 sq ch
89 sq ft = 0.02043159 sq ch
90 sq ft = 0.02066116 sq ch
91 sq ft = 0.02089073 sq ch
92 sq ft = 0.02112029 sq ch
93 sq ft = 0.02134986 sq ch
94 sq ft = 0.02157943 sq ch
95 sq ft = 0.021809 sq ch
96 sq ft = 0.02203857 sq ch
97 sq ft = 0.02226814 sq ch
98 sq ft = 0.0224977 sq ch
99 sq ft = 0.02272727 sq ch
100 sq ft = 0.02295684 sq ch
101 sq ft = 0.02318641 sq ch
102 sq ft = 0.02341598 sq ch
103 sq ft = 0.02364555 sq ch
104 sq ft = 0.02387511 sq ch
105 sq ft = 0.02410468 sq ch
106 sq ft = 0.02433425 sq ch
107 sq ft = 0.02456382 sq ch
108 sq ft = 0.02479339 sq ch
109 sq ft = 0.02502296 sq ch
110 sq ft = 0.02525253 sq ch
111 sq ft = 0.02548209 sq ch
112 sq ft = 0.02571166 sq ch
113 sq ft = 0.02594123 sq ch
114 sq ft = 0.0261708 sq ch
115 sq ft = 0.02640037 sq ch
116 sq ft = 0.02662994 sq ch
117 sq ft = 0.0268595 sq ch
118 sq ft = 0.02708907 sq ch
119 sq ft = 0.02731864 sq ch
120 sq ft = 0.02754821 sq ch