Sand. 1 Cubic Yard of Sand can weigh between 2,600 to 3,000 lbs. or up to one and a half tons approximately. 1 Ton of Sand will cover between 80 to 100 square feet at a 2 inch depth approximately. Gravel. 1 Cubic Yard of Gravel can weigh between 2,400 to 2,900 lbs. or up to one and a half tons approximately. 1 Ton of Gravel will cover between 80 to 120 square feet at a 2 inch depth approximately.