3,000 square feet is the area of a 50 × 60-foot rectangle. A square with that area has sides approximately 54.77 feet long. It equals 278.70912 square meters, or about 278.71 m².
The same area could describe a yard, a building footprint or a total spread across several floors. Check what the measurement refers to before picturing its shape.
Square footage states area. It does not fix a single length, width or boundary distance.