Question: 1 liter primer cover how much area?
Answer: How much area is covered by 1 litre of paint? - Quora. Paint coverage depends on paint quality and surface of the painting area. Surface-like wall, metal, wood, interior, and exterior. On average, you need 7 liters of paint to cover a master bedroom of 12*12*12 feet for one coat and 14 liters to cover 2 coat of paint.