1 ch2 =
627261.4909 square inch (US survey)
2 ch2 =
1254522.9819 square inch (US survey)
3 ch2 =
1881784.4728 square inch (US survey)
4 ch2 =
2509045.9638 square inch (US survey)
5 ch2 =
3136307.4547 square inch (US survey)
6 ch2 =
3763568.9457 square inch (US survey)
7 ch2 =
4390830.4366 square inch (US survey)
8 ch2 =
5018091.9275 square inch (US survey)
9 ch2 =
5645353.4185 square inch (US survey)
10 ch2 =
6272614.9094 square inch (US survey)
11 ch2 =
6899876.4004 square inch (US survey)
12 ch2 =
7527137.8913 square inch (US survey)
13 ch2 =
8154399.3823 square inch (US survey)
14 ch2 =
8781660.8732 square inch (US survey)
15 ch2 =
9408922.3641 square inch (US survey)
16 ch2 =
10036183.8551 square inch (US survey)
17 ch2 =
10663445.346 square inch (US survey)
18 ch2 =
11290706.837 square inch (US survey)
19 ch2 =
11917968.3279 square inch (US survey)
20 ch2 =
12545229.8189 square inch (US survey)
21 ch2 =
13172491.3098 square inch (US survey)
22 ch2 =
13799752.8007 square inch (US survey)
23 ch2 =
14427014.2917 square inch (US survey)
24 ch2 =
15054275.7826 square inch (US survey)
25 ch2 =
15681537.2736 square inch (US survey)
26 ch2 =
16308798.7645 square inch (US survey)
27 ch2 =
16936060.2554 square inch (US survey)
28 ch2 =
17563321.7464 square inch (US survey)
29 ch2 =
18190583.2373 square inch (US survey)
30 ch2 =
18817844.7283 square inch (US survey)
