Basic Measurements
The standard mattress sizes, measuring the top of the bed only.
Crib: 27×52 inches
Youth: 33×66 inches
Twin: 39×74 inches
Full: 54×74 inches
Queen: 60×80 inches
King: 78×80 inches
Comforter measurements, covering the top, sides, and foot of the mattress.
Twin: 66×86 inches
Full: 76×86 inches
Queen: 86×88 inches
King: 102×88 inches
Bedspread measurements, covering entire mattress to the floor.
Twin: 80×108 inches
Full: 96×108 inches
Queen: 102×118 inches
King: 120×118 inches