| Seconds of Arc in Terms of Thousandths of an Inch |
| |
10 Ft. |
20 Ft. |
30 Ft. |
40 Ft. |
50 Ft. |
100 Ft. |
| 1 Sec. |
.0006 |
.0012 |
.0018 |
.0024 |
.0030 |
.0060 |
| 2 Sec. |
.0012 |
.0024 |
.0036 |
.0048 |
.0060 |
.0120 |
| 3 Sec. |
.0018 |
.0036 |
.0054 |
.0072 |
.0090 |
.0180 |
| 4 Sec. |
.0024 |
.0048 |
.0072 |
.0096 |
.0120 |
.0240 |
| 5 Sec. |
.0030 |
.0060 |
.0090 |
.0120 |
.0150 |
.0300 |
| 10 Sec. |
.0060 |
.0120 |
.0180 |
.0240 |
.0300 |
.0600 |
| 15 Sec. |
.0090 |
.0180 |
.0270 |
.0360 |
.0450 |
.0900 |
| 20 Sec. |
.0120 |
.0240 |
.0360 |
.0480 |
.0600 |
.1200 |
| 25 Sec. |
.0150 |
.0300 |
.0450 |
.0600 |
.0750 |
.1500 |
| 30 Sec. |
.0180 |
.0360 |
.0540 |
.0720 |
.0900 |
.1800 |
| 60 Sec. |
.0360 |
.0720 |
.1080 |
.1440 |
.1800 |
.3600 |
|
|
| Angles
of Linear Measurement |
| Angle |
Per Inch |
Per 10 Inches |
Per Foot |
| 1 Sec. |
.000005 |
.000048 |
.000058 |
| 5 Sec. |
.000024 |
.000242 |
.000291 |
| 10 Sec. |
.000048 |
.000485 |
.000582 |
| 20 Sec. |
.000097 |
.000970 |
.001162 |
| 30 Sec. |
.000145 |
.001454 |
.001745 |
| 1 Min. |
.000291 |
.002909 |
.003491 |
|
|
| Linear
Measurement to Angles |
| Linear |
Per Inch |
Per 10 Inches |
Per Foot |
| .000001" |
0.206 Sec. |
0.021 Sec. |
0.017 Sec. |
| .000025" |
5.157 Sec. |
0.516 Sec. |
0.430 Sec. |
| .00005" |
10.3 Sec. |
1.03 Sec. |
0.86 Sec. |
| .0001" |
20.6 Sec. |
2.06 Sec. |
1.71 Sec. |
| .001" |
3 Min. 26.0 Sec. |
20.6 Sec. |
17.2 Sec. |
| .005" |
17 Min. 11.0 Sec. |
1 Min. 43 .0 Sec. |
1 Min. 26.0 Sec. |
|
|
