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3.56 cubic yards of topsoil is a large amount of dirt that is about 2 times the size of a pickup truck bed, heaped. When poured into a loose pile, it stands 3.56 ft (1.08 m) tall and measures 10.2 ft (3.1 m) wide.

Volume
3.56 cubic yards
3.56 yd³ (2.72 m³)
about 2 times the size of a pickup truck bed, heaped
Topsoil typically ranges 1–1.4 g/mL depending on how it's packed. A firmly packed scoop weighs more.