Arc Measurements in SOLIDWORKS

Article by Saeed Mojarad (CSWE) updated June 13, 2017


In this post I’ll show you how to use the Smart Dimension Tool to add SOLIDWORKS Arc Dimensions.

Arc Length Dimension

To add an arc length dimension, you have to select both of the arc’s end points first. St this point the Smart Dimension tool wants to add a linear dimension between the two end points. Now if you click on the arc itself the dimension will change to arc length as shown here.

Arc Angle Dimension

Like the previous section we start by selecting both end points of the arc. This time instead of selecting the arc we select the center of the arc which change the linear dimension to an angular dimension.

Dimension to the Back of an Arc

When adding a dimension to an arc using Smart Dimension tool, SOLIDWORKS add the dimension to the center of the arc by default. You can then go to Leaders tab in the property manager of the dimension and under Arc Condition select Min or Max to show the distance to the back of your arc.

There is an easier way to do it though. This time when you are going to select the arc hold down shift key and SOLIDWORKS will add the dimension to the back of the arc right away.

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Saeed Mojarad (CSWE)

Saeed Mojarad is an application engineer at Javelin Technologies. He received his B.S from Mazandaran University, Iran; and his M.S. from École de technologie supérieure (ETS), Canada. He has several years of experience using SOLIDWORKS in different industries such as manufacturing and aerospace. Currently located in Calgary, he is helping SOLIDWORKS users all across Canada as a technical support and SOLIDWORKS instructor.