An area unit where 1 square foot = (1 ft)² ≈ 0.0929 square meters. Widely used in real estate, construction, and flooring material specifications in the United States, Canada, and the United Kingdom (e.g., 'house area 1500 sq ft'). Not used in China, but occasionally encountered in international property listings or equipment specifications.

An area unit where 1 square foot = (1 ft)² ≈ 0.0929 square meters. Widely used in real estate, construction, and flooring material specifications in the United States, Canada, and the United Kingdom (e.g., 'house area 1500 sq ft'). Not used in China, but occasionally encountered in international property listings or equipment specifications.