Gravel Calculator Gravel Calculator Area to Cover: Total area Rectangle Circle Total Area: square meterssquare feetsquare yards Length: Width: Diameter: Depth of Gravel: cminchesfeetmeters Gravel Density: Gravel (0.2–2 in) Pea Gravel Sand (dry) Crushed Stone River Rock Road Base Price (optional): $ per kgper ton (US) per tonneper lb Calculate Clear Result