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Message 1 of 7
sana14607
280 Views, 6 Replies

cad

How to change the area comment measurement
To meter sq.
6 REPLIES 6
Message 2 of 7
Alfred.NESWADBA
in reply to: sana14607

Hi,

 

start command _UNITS and set your drawing untis to "meter" and draw all objects in meters, then all measured objects show squaremeter as result.

At least, AutoCAD works with it's internal units, if you draw square with 10x10 units, AutoCAD will report 100 as it's area. If that are mm² or m² is up to you.

 

When you are using fields you have the additional choice to have a multiplicator assigned, that makes it possible to draw in mm and measure in m.

 

HTH, - alfred -

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Alfred NESWADBA
Ingenieur Studio HOLLAUS ... www.hollaus.at ... blog.hollaus.at ... CDay 2024
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(not an Autodesk consultant)
Message 3 of 7
filipefrancisco
in reply to: sana14607

What is your problem?


Filipe Francisco
Comunidade Autodesk - Português - Colaborador
Autodesk Certified Instructor | AutoCAD Certified | Revit Architecture Certified | Autodesk Expert Elite

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Message 4 of 7
JDMather
in reply to: Alfred.NESWADBA


Alfred.NESWADBA wrote:

 

start command _UNITS ...

.... If that are mm² or m² is up to you.

 


What if you export to some other CAD program, is it still "up to you"?
I think I would use the -dwgunits command to set document units (not sure if this existed in 2010, 11, 12).

 

-dwgunits.png


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Message 5 of 7
Alfred.NESWADBA
in reply to: JDMather

Hi,

 

>> What if you export to some other CAD program, is it still "up to you"?

It depends on how the other program works, some are using the units-setting, some are ignoring that completely and take inch or millimeter as default 😉

 

- alfred -

------------------------------------------------------------------------------------
Alfred NESWADBA
Ingenieur Studio HOLLAUS ... www.hollaus.at ... blog.hollaus.at ... CDay 2024
------------------------------------------------------------------------------------
(not an Autodesk consultant)
Message 6 of 7
steve216586
in reply to: JDMather

"I think I would use the -dwgunits command to set document units"

 

I always see this advice being given but I don't think you understand the true solution to these inquiries for Vanilla AutoCAD.

 

-DWGUNITS is a sysvar that is used in Autodesk vertical applications like Land Desktop Development (LDD).

It basically does for the vertical apps what INSUNITS does in plain vanilla AutoCAD.

If a drawing was created using a vertical app like LDD, however the -DWGUNITS was set takes precedence over how INSUNITS is/was set in plain vanilla AutoCAD. Therefore, no matter what you set your INSUNITS at, the setting for -DWGUNITS will mess things up on you.

 

The commands to use for this type of inquiry, are as below:

 

 

LUNITS

Sets linear units.

LUPREC

Sets the display precision for linear units and coordinates.

MEASUREINIT

Controls whether a drawing you start from scratch uses imperial or metric default settings.

MEASUREMENT

Controls whether the current drawing uses imperial or metric hatch pattern and linetype files.

UNITMODE

Controls the display format for units.

 

To change units in a drawing follow these:

 

To convert a drawing from inches to centimeters
  1. Click Home tab Modify panel Scale. At the Command prompt, enter scale.
  2. At the Select Objects prompt, enter all.

    All objects in the drawing are selected for scaling.

  3. Enter a base point of *0,0.

    Scaling will be relative to the world coordinate system origin and the location of the drawing origin will remain at the WCS origin.

  4. Enter a scale factor of 2.54 (there are 2.54 centimeters per inch).

    All objects in the drawing are now 2.54 times larger, corresponding to the equivalent distance in centimeters.

 

To convert a drawing from centimeters to inches
  1. Click Home tab Modify panel Scale. At the Command prompt, enter scale.
  2. At the Select Objects prompt, enter all.

    All objects in the drawing are selected for scaling.

  3. Enter a base point of *0,0.

    Scaling is performed relative to the world coordinate system origin, and the location of the drawing origin will remain at the WCS origin.

  4. Enter a scale factor of 0.3937 (the inverse of 2.54 centimeters per inch).

    All objects in the drawing are now smaller, corresponding to the equivalent distance in inches.

Changing units of the same system, use the correlating ratios. i.e. Metric X10 or X1/10. Imperial X12 or X.08333.

"No one can make you feel inferior without your consent. "-Eleanor Roosevelt
Message 7 of 7
sana14607
in reply to: Alfred.NESWADBA

thank you...

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