UnitScale

Returns the scale factor for changing between unit systems.

Rhino.UnitScale (intToSystem [, intFromSystem])

intToSystem

Required. Number. The units system to convert to. The possible units systems are as follows:

Value	Description
0	No unit system
1	Microns (1.0e-6 meters)
2	Millimeters (1.0e-3 meters)
3	Centimeters (1.0e-2 meters)
4	Meters
5	Kilometers (1.0e+3 meters)
6	Microinches (2.54e-8 meters, 1.0e-6 inches)
7	Mils (2.54e-5 meters, 0.001 inches)
8	Inches (0.0254 meters)
9	Feet (0.3408 meters, 12 inches)
10	Miles (1609.344 meters, 5280 feet)
11	* Reserved for Custom Unit System *
12	Angstroms (1.0e-10 meters)
13	Nanometers (1.0e-9 meters)
14	Decimeters (1.0e-1 meters)
15	Dekameters (1.0e+1 meters)
16	Hectometers (1.0e+2 meters)
17	Megameters (1.0e+6 meters)
18	Gigameters (1.0e+9 meters)
19	Yards (0.9144 meters, 36 inches)
20	Printer point (1/72 inches, computer points)
21	Printer pica (1/6 inches, (computer picas)
22	Nautical mile (1852 meters)
23	Astronomical (1.4959787e+11)
24	Lightyears (9.46073e+15 meters)
25	Parsecs (3.08567758e+16)

intFromSystem

Optional. Number. The units system to convert from (see above). If omitted, the document's current unit system is used

Number	The scale factor for changing between unit systems if successful.
Null	If not successful, or on error.

MsgBox Rhino.UnitScale(3, 4) ' 100.0

MsgBox Rhino.UnitScale(3, 8) ' 2.54

MsgBox Rhino.UnitScale(8, 9) ' 12.0