Measure the overall width from the outer edge of one arm to the outer edge of the other arm
Measure the overall depth from the front edge to the back edge
Measure the overall height from the floor to the highest point of the back
Measure the seat depth from the front of the seat to the back cushion
Measure the seat height from the floor to the top of the seat cushion
Measure the arm height from the floor to the top of the arm
Measure the arm width from the front of the arm to the back of the arm
Measure the diagonal depth from the back top corner to the front bottom corner
Measure the leg height from the floor to the bottom of the frame if needed
Measure the doorway, hallway, and stair clearance if moving the couch
Measure the couch at its widest, deepest, and tallest points
Record all measurements in inches or centimeters
Measure removable cushions separately if needed