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A large sofa: 10 to 14 yards of 60-inch-wide fabric or 16 to 20 yards of 45-inch-wide fabric. A small sofa: 6 to 8 yards of 60-inch-wide fabric or 10 to 12 yards of 45-inch-wide fabric. A small table: 5 to 6 yards of 60-inch-wide fabric or 6 to 8 yards of 45-inch-wide fabric. A standard-size armchair: 4 to 6 yards of 60-inch-wide fabric or 8 to 10 yards of 45-inch-wide fabric.
1 Home decorator fabric works especially well due to its dimensions and weight, but you can choose lighter fabrics, as well. You will need anywhere from 1/4 to 1/2 yard (22.86 to 45.72 cm) of fabric.  The frame should also be the right size to adequately showcase the pattern of the fabric.