Measure around the back of the recliner, placing the tape evenly just above the arms and all the way around the back. Write the measurement down. Many slipcovers use this measurement alone to determine size. Other slipcovers will require additional measurements.
Measure across the front of the seat cushion. Whether it is a t-style cushion or a box cushion, measure across the widest part of the very front.
Measure the depth of seat cushion from the front center of the cushion to the back of the cushion.
Measure the height of the chair from the floor to the highest point of the back of the chair.
Measure the width of the chair by measuring straight across the top of the back, from one edge to the other.