7.6 cubic feet of peat moss is a large amount that fills 56.9 gal (215 L). To picture it, imagine a loose pile that is 4.36 ft (1.33 m) wide and 18.3 in (46.5 cm) tall, which is about 2 times the size of a wheelbarrow load.

Volume
56.9 gallons
56.9 gal (215 L)
about 2 times the size of a wheelbarrow load
Density estimated by AI from typical values. Peat moss typically ranges 0.12–0.28 g/mL depending on how it's packed. A firmly packed scoop weighs more.