A cubic yard (yd³) is a unit of volume in the imperial and US customary systems. It is defined as the volume of a cube with sides of one yard (3 feet) in length. Thus, 1 yd³ = 27 ft³.
The cubic yard originated from the yard, which has been used as a measure since the medieval period. It became widely adopted in the United States and the UK during the 19th century, particularly with the expansion of construction and landscaping industries. The unit was standardized in the late 1800s.
Cubic yards are commonly used in construction, landscaping, and waste management to measure materials like soil, concrete, and mulch. It is particularly relevant in the United States, where it is used in both residential and commercial projects.