AutoCAD

How to Calculate Area in AutoCAD 2016

Understanding Area Calculation in AutoCAD 2025

Calculating area in AutoCAD is essential for various design projects, whether you’re working on architectural blueprints, engineering specifications, or land development plans. Here’s a comprehensive guide on how to effectively compute area in AutoCAD 2025.

Calculating Area in AutoCAD Using the AREA Command

  1. Activate the AREA Command: Type AREA in the command line and hit Enter. You can also find this command in the Home tab of the ribbon under the Utilities panel.

  2. Select the Object: After initiating the command, you will be prompted to select an object. Click on a closed shape or outline, like a rectangle, circle, or polyline. The calculated area will be displayed in the command line.

  3. Viewing the Result: The area will appear above the command line, indicating not only the area but also the perimeter or circumference of the selected object.

Calculating Area in Square Meters

  1. Use MTEXT: Begin by entering the MTEXT command to create a text box for displaying the area measurement.

  2. Insert Prefix: Type “Area: ” before the calculation to label the value.

  3. Insert Field: Right-click within the text box and select “Insert Field.”

  4. Select Object Type: In the dialog box that appears, choose “Object” followed by selecting “Area.” Click on the “Select Objects” button.

  5. Pick the Shape: Click on the object for which you want the area calculated. After selection, the area will be calculated and displayed in your text box.

Calculating Multiple Areas

  1. Reopen AREA Command: Once more, invoke the AREA command.

  2. Add Areas: This time, select the option to “Add area.” Choose “Object” and select multiple closed shapes one after the other.

  3. Finalizing: AutoCAD will display each selected area in sequence, highlighting the objects to prevent double selection. At the end, it will provide the cumulative total of all areas selected.

Area of Irregular Shapes

  1. Breakdown into Regular Shapes: To find the area of irregular geometries, first subdivide them into familiar shapes like triangles, rectangles, and circles.

  2. Calculate Individual Areas: Compute the area for each segmented shape using the appropriate formulae.

  3. Sum Up the Areas: Add the areas of all the individual shapes to get the total area of the irregular shape.

Calculating Area in Polyline

  1. Select the Polyline: Start by using the AREA command; select the closed polyline that you want to evaluate.

  2. Check Results: The area will be calculated similar to that of other objects and displayed in the command line.

Understanding Perimeter Calculation

  1. Using AREA for Perimeter: While calculating the area, AutoCAD also displays the perimeter. Select a closed shape, and the perimeter value will appear alongside the area measurement.

  2. Manual Calculation: To find the perimeter of specific shapes like rectangles or squares, sum the lengths of all edges. The formula for rectangles is P = 2(L + W), where L is the length and W is the width.

FAQ Section

1. How do I change units in AutoCAD?
To change the drawing units in AutoCAD, type UNITS in the command line, then select the desired type of unit (architectural, decimal, etc.) in the dialog box.

2. Can I calculate the area of an open shape?
The AREA command only works on closed shapes. Ensure your shape is closed to get an accurate area measurement.

3. What if I need to calculate area in different units?
You can convert the area measurement after calculating it by applying unit conversion factors based on the original and desired units.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.