How Much Landscape Rock Do I Need?

Landscape rock varies in diameter from 1/8 inch to 1 1/2 inch and replaces mulch or serves as decorative borders and walking surfaces. Sunset magazine suggests laying the stone to a depth of 2 to 3 inches. A ton of 1/2-inch rock covers 110 square feet, 2 inches deep, while 1 ton of 1-inch rock covers 100 square feet.

Keywords: landscape rock calculations, rock quantity, landscape materials

About this Author

Lee Roberts has written professionally in different capacities throughout her career. She has written for not-for-profit and commercial entities since she received her B.A in sociology from the University of Michigan in 1986. She has been published on She is currently writing an extensive work of fiction.