|
Reference
Data
Length - Inches to
Metric
|
Millimeters
(mm) |
Microns
(µm) |
Angstroms
(Å) |
| 1
Inch (1.00") |
25.4 |
25,400 |
254,000,000 |
| 1
Thousandth (0.001") |
0.0254 |
25.4 |
254,000 |
| 1
Micro inch (0.000001") |
0.0000254 |
0.0254 |
254 |
Length - Metric to
Inches
|
Inches |
Thousandths |
Micro
inches |
| 1
Millimeter (mm) |
0.03937 |
39.37 |
39,370 |
| 1
Micron (µm) |
0.00003937 |
0.03937 |
39.37 |
| 1
Angstrom (Å) |
0.000000003937 |
0.000003937 |
0.003937 |
Linear Measurement
to Angle
| Chord
Length |
Per
Inch |
10
Inches |
Per
Foot |
| 0.000001" |
0.206
sec |
0.021
sec |
0.017
sec |
| 0.000025" |
5.157
sec |
0.516
sec |
0.430
sec |
| 0.00005" |
10.3
sec |
1.03
sec |
0.860
sec |
| 0.0001" |
20.6
sec |
2.06
sec |
1.72
sec |
| 0.001" |
3 min
26 sec |
20.6
sec |
17.2
sec |
| 0.005" |
17 min
11 sec |
1 min
43 sec |
1 min
43 sec |
Angle to Linear
Measurement
| Angle |
Per
Inch |
10
Inches |
Per
Foot |
| 1 sec |
0.000005" |
0.000048" |
0.000058" |
| 5 sec |
0.000024" |
0.000242" |
0.000291" |
| 10 sec |
0.000048" |
0.000485" |
0.000582" |
| 20 sec |
0.000097" |
0.000970" |
0.000163" |
| 30 sec |
0.000145" |
0.001454" |
0.001745" |
| 1 min |
0.000291" |
0.002909" |
0.003491" |
Shaft Encoder
Resolution Table
| N
(bits) |
Counts
per Revolution |
Angular
Resolution |
| Deg,
Min, Sec |
Rad,
Millirad |
|
1
|
2
|
180.0
deg
|
3.14
rad
|
|
2
|
4
|
90.0
|
1.57
|
|
3
|
8
|
45.0
|
0.785
|
|
4
|
16
|
22.5
|
0.393
|
|
5
|
32
|
11.3
|
0.196
|
|
6
|
64
|
5.63
|
0.0981
|
|
7
|
128
|
2.81
|
0.0491
|
|
8
|
256
|
1.41
|
0.0245
|
|
9
|
512
|
42.2
min
|
12.3
millirad
|
|
10
|
1024
|
21.1
|
6.13
|
|
11
|
2048
|
10.5
|
3.07
|
|
12
|
4096
|
5.27
|
1.53
|
|
13
|
8192
|
2.64
|
0.767
|
|
14
|
16384
|
1.32
|
0.383
|
|
15
|
32768
|
39.6
sec
|
0.192
|
|
16
|
65536 |
19.8
|
0.0958
|
|
17
|
131072
|
9.89
|
0.0479
|
|
18
|
262144
|
4.94
|
0.0240
|
|
19
|
524288
|
2.47
|
0.0120
|
|
20
|
1048576
|
1.24
|
0.00599
|
|
21
|
2097152
|
0.618
|
0.00299
|
|
22
|
4194304
|
0.309
|
0.00150
|
|
23
|
8388608
|
0.154
|
0.000749
|
|
24
|
16777216 |
0.077
|
0.000374
|
Other Useful Values
1 radian = 57.295780° =
3437.7468' = 206264.806"
1° = 0.0174533 radians = 17.4533 milliradians
1' = 0.000290888 radians = 0.290888 milliradians
1" = 0.00000484814 radians = 0.00484814 milliradians
1 second = 0.00485 mm per meter
1 mm per meter = 3 min 26 sec
1 mil (exact) = 0.001 radian = 202.50 sec
1 mil (military) = 300"/6400 = 206.26 sec
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