How to calculate polygon area in Mapinfo using Query

Query in MapInfo is a powerful tool which can help us to finish many things. On this MapInfo tutorial I will show you how to calculate polygon area in MapInfo using Query tool. Here is the illustration. I have 3 polygons on my layer and each polygon has its own name or label. I want to calculate the area for each polygon using query.

 

Now, to calculate the area of those three polygons using built in query. Go to Query>>SQL Select

 

Put the cursor on the from Tables textbox and now click Tables and click your table containing the polygon we want to calculate the area. Then, switch to Select Column box and insert the column containing the polygon name and select Area from Functions drop down list. On this example, I have a column called “Name” on my “polygon” table.

Press OK to see the result

 

OK on my result, I have 3 result (polygon 1, polygon 2 and polygon 3) each polygon has its area in hectares on the right side.

See you