10 tons of riprap is about the size of a dump truck load. When poured into a loose pile, it is 12.2 ft (3.72 m) wide and 5.13 ft (1.56 m) tall.

Volume
7.42 cubic yards
7.42 yd³ (5.67 m³)
about the size of a dump truck load
Density estimated by AI from typical values. Riprap typically ranges 1.4–1.8 g/mL depending on how it's packed. A firmly packed scoop weighs more.