"sq feet" stands for square feet, which is a unit of measurement used to describe the size or area of a space. It is commonly used in real estate to determine the size of a house or apartment. Full definition
In fact just yesterday we finished laying 800 + sq feet of hardwood ourselves after tearing out builder - basic carpet, vinyl and tile. (theletteredcottage.net)
We have a 700 sq foot home with 2 dogs, my husband and I, and my 11 - year - old daughter. (theinspiredroom.net)
I do think its a great blog post because there is the small house movement but then most people I know have 2500 + sq feet. (domesticimperfection.com)