Moving to a smaller apartment? Measure each room and the route in, from doors...

https://www.echobookmarks.win/moving-into-a-smaller-apartment-this-guide-shows-you-how-to-measure-each-room-1

Moving to a smaller apartment? Measure each room and the route in, from doors to halls and elevators. Sort furniture into keep, store, sell, or donate piles. Plan where each piece will go, and keep walkways clear