Reference Materials
Tables, conversions, and the manual.
Multipliers for a Given Angle
For D = S * 1/tan(α)
in 0.1° increments between 0.1° and 12°.
Use: For a measured angle α
, multiply the known size of the object by the value in 1/tan(α)
to determine the distance.
α | 1/tan(α) | ×180/π/α |
---|---|---|
0.1 | 573.0 | |
0.2 | 286.5 | |
0.3 | 191.0 | |
0.4 | 143.2 | |
0.5 | 114.6 | |
0.6 | 95.5 | |
0.7 | 81.8 | |
0.8 | 71.6 | |
0.9 | 63.7 | |
1 | 57.3 | ×180/π/1 |
1.1 | 52.1 | |
1.2 | 47.7 | |
1.3 | 44.1 | |
1.4 | 40.9 | |
1.5 | 38.2 | |
1.6 | 35.8 | |
1.7 | 33.7 | |
1.8 | 31.8 | |
1.9 | 30.1 | |
2 | 28.6 | ×180/π/2 |
2.1 | 27.3 | |
2.2 | 26.0 | |
2.3 | 24.9 | |
2.4 | 23.9 | |
2.5 | 22.9 | |
2.6 | 22.0 | |
2.7 | 21.2 | |
2.8 | 20.4 | |
2.9 | 19.7 | |
3 | 19.1 | ×180/π/3 |
3.1 | 18.5 | |
3.2 | 17.9 | |
3.3 | 17.3 | |
3.4 | 16.8 | |
3.5 | 16.3 | |
3.6 | 15.9 | |
3.7 | 15.5 | |
3.8 | 15.1 | |
3.9 | 14.7 | |
4 | 14.3 | ×180/π/4 |
4.1 | 14.0 | |
4.2 | 13.6 | |
4.3 | 13.3 | |
4.4 | 13.0 | |
4.5 | 12.7 | |
4.6 | 12.4 | |
4.7 | 12.2 | |
4.8 | 11.9 | |
4.9 | 11.7 | |
5 | 11.4 | ×180/π/5 |
5.1 | 11.2 | |
5.2 | 11.0 | |
5.3 | 10.8 | |
5.4 | 10.6 | |
5.5 | 10.4 | |
5.6 | 10.2 | |
5.7 | 10.0 | |
5.8 | 9.8 | |
5.9 | 9.7 | |
6 | 9.5 | ×180/π/6 |
6.1 | 9.4 | |
6.2 | 9.2 | |
6.3 | 9.1 | |
6.4 | 8.9 | |
6.5 | 8.8 | |
6.6 | 8.6 | |
6.7 | 8.5 | |
6.8 | 8.4 | |
6.9 | 8.3 | |
7 | 8.1 | ×180/π/7 |
7.1 | 8.0 | |
7.2 | 7.9 | |
7.3 | 7.8 | |
7.4 | 7.7 | |
7.5 | 7.6 | |
7.6 | 7.5 | |
7.7 | 7.4 | |
7.8 | 7.3 | |
7.9 | 7.2 | |
8 | 7.1 | ×180/π/8 |
8.1 | 7.0 | |
8.2 | 6.9 | |
8.3 | 6.9 | |
8.4 | 6.8 | |
8.5 | 6.7 | |
8.6 | 6.6 | |
8.7 | 6.5 | |
8.8 | 6.5 | |
8.9 | 6.4 | |
9 | 6.3 | ×180/π/9 |
9.1 | 6.2 | |
9.2 | 6.2 | |
9.3 | 6.1 | |
9.4 | 6.0 | |
9.5 | 6.0 | |
9.6 | 5.9 | |
9.7 | 5.9 | |
9.8 | 5.8 | |
9.9 | 5.7 | |
10 | 5.7 | ×180/π/10 |
10.1 | 5.6 | |
10.2 | 5.6 | |
10.3 | 5.5 | |
10.4 | 5.4 | |
10.5 | 5.4 | |
10.6 | 5.3 | |
10.7 | 5.3 | |
10.8 | 5.2 | |
10.9 | 5.2 | |
11 | 5.1 | ×180/π/11 |
11.1 | 5.1 | |
11.2 | 5.1 | |
11.3 | 5.0 | |
11.4 | 5.0 | |
11.5 | 4.9 | |
11.6 | 4.9 | |
11.7 | 4.8 | |
11.8 | 4.8 | |
11.9 | 4.7 | |
12 | 4.7 | ×180/π/12 |