You can calculate the length of a single AutoCAD object (Line, Circle, Polyline etc.) with AutoCAD Object Field. But you can’t calculate the length of multiple AutoCAD objects. AutoField provides an additional field to do it.

1. Use the Insert menu or right click to choose Insert ->Field.

2. Select “AF Objects Length” in the left panel of the Field dialog.

3. Select the objects (supports LINE, POLYLINE, CIRCLE, ARC) to calculate.

4. Click OK to insert the field to the drawing.

You can calculate the area of a single AutoCAD object (Circle, Polyline etc.) with AutoCAD Object Field. But you can’t calculate the area of multiple AutoCAD objects. AutoField provide an additional field to do it.

1. Use the Insert menu or right click to choose Insert ->Field.

2. Select “AF Objects Area” in the left panel of the Field dialog.

3. Select the objects (supports POLYLINE, CIRCLE, ARC) to calculate.

4. Click OK to insert the field to the drawing.

AutoField provides some useful additional AutoCAD fields. Let’s see how to insert the count of the specific INSERT (block reference) as a Field. Then the text of the count will be updated automatically after the block references were deleted or added.

1. Use the Insert menu or right click to choose Insert ->Field.

2. Select “AF Block Count” in the left panel of the Field dialog.

3. Select the block name you want to count. You can select multiple blocks to count their block references.

4. Click OK to insert the field.