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Active Contributor
angel033004
Posts: 32
Registered: ‎02-27-2005
Message 1 of 25 (3,386 Views)

How to convert all drawings from feet and inches to millimeter?

3386 Views, 24 Replies
06-25-2007 05:08 AM
I am currently working on floor plans and other details which are in feet and inches units. But, sudden changes occurred. My boss decided, ask me to convert the drawing into millimeter(mm) format or units. I was having a hard time to redraw it into mm units since we were running out of time. Is there other way or faster approach to convert it to mm units?

I badly needed your help guys. Thanks in advance.

Angel
*longshot
Message 2 of 25 (3,386 Views)

Re: How to convert all drawings from feet and inches to millimeter?

06-25-2007 05:21 AM in reply to: angel033004
dimension>primary units> scale: 25.4
or you could use alternate units & it will actually give you both
feet/inches AND mm.


wrote in message news:5636925@discussion.autodesk.com...
I am currently working on floor plans and other details which are in feet
and inches units. But, sudden changes occurred. My boss decided, ask me to
convert the drawing into millimeter(mm) format or units. I was having a hard
time to redraw it into mm units since we were running out of time. Is there
other way or faster approach to convert it to mm units?

I badly needed your help guys. Thanks in advance.

Angel
*Dean Saadallah
Message 3 of 25 (3,386 Views)

Re: How to convert all drawings from feet and inches to millimeter?

06-25-2007 06:02 AM in reply to: angel033004
AutoCAD only does units: not only would you have to change MEASUREMENT
settings, but also UNITS, text styles, all your dimstyles, and you have to
scale your drawing down.

Not going to happen quickly.... .

--
Dean Saadallah
Add-on products for LT
http://www.pendean.com/lt
--
*longshot
Message 4 of 25 (3,386 Views)

Re: How to convert all drawings from feet and inches to millimeter?

06-25-2007 07:13 AM in reply to: angel033004
"Dean Saadallah" wrote in message
news:5636988@discussion.autodesk.com...
AutoCAD only does units: not only would you have to change MEASUREMENT
settings, but also UNITS, text styles, all your dimstyles, and you have to
scale your drawing down.

Not going to happen quickly.... .

--------------------------------------------------------------------------
That's not true at all, the size of the part being drawn isn't changing at
all. only the way its measured. change the scale factor & dim > update all.
Distinguished Contributor
steve216586
Posts: 864
Registered: ‎08-11-2006
Message 5 of 25 (3,386 Views)

Re: How to convert all drawings from feet and inches to millimeter?

06-25-2007 08:46 AM in reply to: angel033004
Dean is right. To convert the drawing to metric requires more than changing the dimensions units.

In AutoCAD, the basic drawing unit for any file is the distance between two fixed Cartesian coordinates. For example, the distance between coordinates (1,1,1) and (1,1,2) is one drawing unit. A drawing unit can correspond to any measurement (e.g., foot, inch, meter, mile, fathom). AutoCAD users may enter the Units display option to set the desired drawing units.
The Units command of AutoCAD does not have a direct metric system setup. For metric designs, the recommended procedure is to choose the Decimal option in the Drawing Units dialogue box. This will allow each drawing unit to represent decimal meters, millimeters, etc., at the discretion of the user.

Therefore, changing the dimension units would be the same as you getting a drawing from me which is metric and you trying to work using inches and feet. When you want to draw a line 11 feet you will get a line which is actually 11 meters or 11 mms, whichever I set the units to be. If the original units were mm you would have to scale everything up by 25.4 to get inches.

OP,
The easiest way I can think of is to start a new drawing with decimal mm as the units. Take your drawing and insert it as a block at 0.39... scale. Explode and as Dean said, change your text and dims etc to correspond. Message was edited by: steve216586
*longshot
Message 6 of 25 (3,386 Views)

Re: How to convert all drawings from feet and inches to millimeter?

06-25-2007 09:05 AM in reply to: angel033004
wrote in message news:5637259@discussion.autodesk.com...
Dean is right. To convert the drawing to metric requires more than changing
the dimensions units.

In AutoCAD, the basic drawing unit for any file is the distance between two
fixed Cartesian coordinates. For example, the distance between coordinates
(1,1,1) and (1,1,2) is one drawing unit. A drawing unit can correspond to
any measurement (e.g., foot, inch, meter, mile, fathom). AutoCAD users may
enter the Units display option to set the desired drawing units.
The Units command of AutoCAD does not have a direct metric system setup. For
metric designs, the recommended procedure is to choose the Decimal option in
the Drawing Units dialogue box. This will allow each drawing unit to
represent decimal meters, millimeters, etc., at the discretion of the user.

Therefore, changing the dimension units would be the same as you getting a
drawing from me which is metric and you trying to work using inches and
feet. When you want to draw a line 11 feet you will get a line which is
actually 11 meters or 11 mms, whichever I set the units to be. If the
original units were mm you would have to scale everything up by 25.4 to get
inches.

OP,
The easiest way I can think of is to start a new drawing with decimal mm as
the units. Take your drawing and insert it as a block at 0.39... scale.
Explode and as Dean said, change your text and dims etc to correspond.

----------------

dude, turn on your alternate units & set the scale at 25.4 dim>update those
other numbers are now mm. that's it
Distinguished Contributor
steve216586
Posts: 864
Registered: ‎08-11-2006
Message 7 of 25 (3,386 Views)

Re: How to convert all drawings from feet and inches to millimeter?

06-25-2007 10:47 AM in reply to: angel033004
Read the OP carefully. The goal is to convert the drawing units from imperial to metric not just show dimensions in metric. Of course just changing the dimensions is easy but this is not what the OP is trying to do.

If you send that drawing, as is, elsewhere in the world, you will not make many people happy and I doubt you will get much business from them again.

Robi wy rozumiecie teraz?
¿Entiende usted ahora?
*longshot
Message 8 of 25 (3,386 Views)

Re: How to convert all drawings from feet and inches to millimeter?

06-25-2007 11:36 AM in reply to: angel033004
wrote in message news:5637453@discussion.autodesk.com...
Read the OP carefully. The goal is to convert the drawing units from
imperial to metric not just show dimensions in metric. Of course just
changing the dimensions is easy but this is not what the OP is trying to do.

If you send that drawing, as is, elsewhere in the world, you will not make
many people happy and I doubt you will get much business from them again.

_____________________________________________________
'

if a unit is a unit then one = one whether it's miles or millimeters. I
don't get what you guys are saying. if you must change the actual drawing
so that what used to be one inch & it is now going to need to be 1
millimeter than scale the entire file 10/254. I doubt that is what the OP is
after since the parts need to be drawn at actual scale of real life parts.
*August
Message 9 of 25 (3,386 Views)

Re: How to convert all drawings from feet and inches to millimeter?

06-25-2007 11:46 AM in reply to: angel033004
I love it when you all get lost in the simplest thought processes.

Aug
"longshot" wrote in message
news:5637473@discussion.autodesk.com...
wrote in message news:5637453@discussion.autodesk.com...
Read the OP carefully. The goal is to convert the drawing units from
imperial to metric not just show dimensions in metric. Of course just
changing the dimensions is easy but this is not what the OP is trying to do.

If you send that drawing, as is, elsewhere in the world, you will not make
many people happy and I doubt you will get much business from them again.

_____________________________________________________
'

if a unit is a unit then one = one whether it's miles or millimeters. I
don't get what you guys are saying. if you must change the actual drawing
so that what used to be one inch & it is now going to need to be 1
millimeter than scale the entire file 10/254. I doubt that is what the OP is
after since the parts need to be drawn at actual scale of real life parts.
*Dean Saadallah
Message 10 of 25 (3,386 Views)

Re: How to convert all drawings from feet and inches to millimeter?

06-25-2007 11:59 AM in reply to: angel033004
the original post goal:

>>>... to convert the drawing into millimeter(mm) format or units....<<<

That's it: nothing to do with turning on alternate dimensions.

--
Dean Saadallah
Add-on products for LT
http://www.pendean.com/lt
--

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