For a thickness of 4 inches (or approximately 10 centimeters), **a US ton of limestone can cover an area of around 40 to 54 square feet (or around 4 to 5 square meters). If you only need an inch-thick layer of limestone rock cover, you will be able to cover around 175 to 215 square feet (or around 16 to 20 square meters) of area. However, the actual area that a US ton of limestone can cover still depends on the actual density of the limestone rocks. Read more