Walmart Supercenter is Walmart's largest store format in terms of square footage and merchandise. The average Walmart Supercenter is 178,000 square feet (16,500 square meters). It is usually located in high-density populated areas and urban agglomerations. Walmart Supercenter format can include additional specialized stores - pet shops, pharmacies, optical services, barbershops, nail salons, bank branches, and others.
The key difference between Walmart Supercenter, Walmart Discount Store, and Walmart Neighborhood Market formats is the square footage and location.