Draw circle by diameter

[Anonymous]

How can I draw a circle by entering a diameter measurement instead of the default radius?  Thanks

[Alfredo_Medina · Accepted solution]

That option is not available within the default drawing tools.Only radius.

It is possible to make a family that creates a circle with a diameter option, though.

In Revit MEP, the option for diameter is available for creating pipes, ducts, and conduits.

...now that I remember, there is an alternative for simple circles, but it needs to be used AFTER having created a circle: Create the circle by radius, then create a diameter dimension. Then select the circle, and edit the diameter dimension. (Available since Revit 2013)

[Anonymous]

Thanks for the reply.  That's what I've been doing.

[mkotsamanes]

I know it has been solved but another way is to simply type "=(diameter)/2" when creating the circle

[Anonymous]

That's cool but that formula would give me a radius which default.  Is there a formula that represents the radius *2 for the diameter?

[mkotsamanes]

If I understand your point correctly. No there is no way (that I know of) to set the default to diameter, this method will save you the extra step of creating a dimension of the circle and changing it.

When creating the circle click the centerpoint then type " =x/2 " (where x is the diameter you want)