1021 centimeters is equal to 401.57 inches.
To provide comparisons, 1021 centimeters is slightly longer than the height of a standard basketball hoop (10 feet or 120 inches) and almost the height of a standard doorway (6 feet 8 inches or 80 inches). It is also roughly the length of a standard queen-size bed (80 inches) and slightly longer than a standard bathtub (60 inches).