How to calculate your home square footage Juan Chaparro March 03, 2016 02:43 Follow Below are couple of sites that have great explanations: My very own favorite Khan Academy explains it in video Zillow How to Measure Your Home's Square Footage Or lastly check Dallas Central Appraisal District. Related articles How do you clean/handle blinds? How do we handle clutter? What brands of green cleaning products do you use? Comments 0 comments Please sign in to leave a comment.