What is Length and drop?
Door (7 ft / 213 cm), window (5 ft / 152 cm), floor-length custom.
Short answer
Measure from the rod, not from the window frame, and add 2–3 cm of clearance from the floor.
Length and drop when buying a curtains & blinds
Door (7 ft / 213 cm), window (5 ft / 152 cm), floor-length custom.
Why it matters: Curtains that stop above the sill look unfinished and leak light at the bottom.
Look for: Measure from the rod, not from the window frame, and add 2–3 cm of clearance from the floor.
Full Curtains & Blinds buying guide