How to Calculate Area in AutoCAD Quickly and Easily
To calculate area in AutoCAD, use the
AREA command by typing it in the command line, then select the object or specify points to define the area. AutoCAD will display the calculated area and perimeter in the command window.Syntax
The basic syntax to calculate area in AutoCAD is using the AREA command. You can either select a closed object or specify points manually.
- AREA: Starts the area calculation command.
- Select object: Choose a closed shape like a polyline, circle, or rectangle.
- Specify points: Manually click points to define the boundary if no object exists.
- Result: AutoCAD shows the area and perimeter in the command line.
plaintext
AREA Select objects or specify points:
Output
Area = 250.00 square units
Perimeter = 60.00 units
Example
This example shows how to calculate the area of a rectangle drawn in AutoCAD.
First, draw a rectangle using the RECTANGLE command. Then type AREA and select the rectangle. AutoCAD will display the area and perimeter.
plaintext
RECTANGLE Specify first corner point: 0,0 Specify other corner point: 10,25 AREA Select objects: (click the rectangle)
Output
Area = 250.00 square units
Perimeter = 70.00 units
Common Pitfalls
Common mistakes when calculating area in AutoCAD include:
- Trying to calculate area of an open shape (AutoCAD requires closed boundaries).
- Not selecting the object properly or missing points when specifying manually.
- Confusing units if the drawing scale is not set correctly.
Always ensure your shape is closed and units are consistent.
plaintext
AREA
Select objects: (select open polyline)
-- Wrong: AutoCAD will not calculate area for open shapes.
AREA
Select objects: (select closed polyline)
-- Right: AutoCAD calculates area successfully.Output
Error: Object is not closed.
Area = 150.00 square units
Perimeter = 70.00 units
Quick Reference
| Command | Description |
|---|---|
| AREA | Calculate area and perimeter of selected objects or points |
| RECTANGLE | Draw a rectangle to measure area easily |
| PLINE | Draw closed polylines for custom shapes |
| UNITS | Set drawing units to ensure correct area measurement |
Key Takeaways
Use the AREA command and select a closed object to get the area quickly.
Ensure your shape is closed; open shapes cannot have area calculated.
You can specify points manually if no object exists to define the area.
Check your drawing units to get accurate area measurements.
Use RECTANGLE or PLINE commands to create shapes for area calculation.