7 cubic yards of wood chips is a pile that measures 12 ft (3.65 m) wide and 5.03 ft (1.53 m) tall. To help you picture the size, this amount is shown in the photo next to a 5-gallon bucket, an adult person, and a sedan car.

Volume
7 cubic yards
7 yd³ (5.35 m³)
about the size of a dump truck load
Wood chips typically ranges 0.24–0.4 g/mL depending on how it's packed. A firmly packed scoop weighs more.