Which building contains more square feet, 50 Hudson Yards or 15 Penn Plaza?
50 Hudson Yards: 50 Hudson Yards is a building being planned as part of the Hudson Yards Redevelopment Project in Hell's Kitchen, Manhattan. 50 Hudson Yards:  It will total 2.9 million square feet of commercial space. 15 Penn Plaza:  It would have 430 units and 2,050,000 square feet (190,451 m²) of floor space.
50 Hudson Yards