;
1 inch (US Survey) =
8.4725E-8 light millisecond
;
;
2 inch (US Survey) =
1.6945E-7 light millisecond
;
3 inch (US Survey) =
2.5418E-7 light millisecond
;
;
4 inch (US Survey) =
3.389E-7 light millisecond
;
5 inch (US Survey) =
4.2363E-7 light millisecond
;
;
6 inch (US Survey) =
5.0835E-7 light millisecond
;
7 inch (US Survey) =
5.9308E-7 light millisecond
;
;
8 inch (US Survey) =
6.778E-7 light millisecond
;
9 inch (US Survey) =
7.6253E-7 light millisecond
;
;
10 inch (US Survey) =
8.4725E-7 light millisecond
;
11 inch (US Survey) =
9.3198E-7 light millisecond
;
;
12 inch (US Survey) =
1.0167E-6 light millisecond
;
13 inch (US Survey) =
1.1014E-6 light millisecond
;
;
14 inch (US Survey) =
1.1862E-6 light millisecond
;
15 inch (US Survey) =
1.2709E-6 light millisecond
;
;
16 inch (US Survey) =
1.3556E-6 light millisecond
;
17 inch (US Survey) =
1.4403E-6 light millisecond
;
;
18 inch (US Survey) =
1.5251E-6 light millisecond
;
19 inch (US Survey) =
1.6098E-6 light millisecond
;
;
20 inch (US Survey) =
1.6945E-6 light millisecond
;
21 inch (US Survey) =
1.7792E-6 light millisecond
;
;
22 inch (US Survey) =
1.864E-6 light millisecond
;
23 inch (US Survey) =
1.9487E-6 light millisecond
;
;
24 inch (US Survey) =
2.0334E-6 light millisecond
;
25 inch (US Survey) =
2.1181E-6 light millisecond
;
;
26 inch (US Survey) =
2.2029E-6 light millisecond
;
27 inch (US Survey) =
2.2876E-6 light millisecond
;
;
28 inch (US Survey) =
2.3723E-6 light millisecond
;
29 inch (US Survey) =
2.457E-6 light millisecond
;
;
30 inch (US Survey) =
2.5418E-6 light millisecond
;
31 inch (US Survey) =
2.6265E-6 light millisecond
;
;
32 inch (US Survey) =
2.7112E-6 light millisecond
