SoFi Stadium has a seating capacity of approximately 70,000, expandable up to 100,000. During the NFL season, it has a seating capacity of 70,240. It is the largest stadium in the NFL at 3.1 million square feet. SoFi Stadium was designed by HKS Architects and is the first indoor-outdoor stadium to be constructed. It is located in Inglewood, California, United States, and occupies the former site of the Hollywood Park Racetrack.