What made you want to look up black bread? Please tell us where you read or heard it (including the quote, if possible).
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.
Now you know how many widths you need the next stage is to calculate the length of fabric you need for each width. You will need to add a hem allowance to your drop. We usually add 8â/20cm to the drop to get the length of fabric needed.inally, multiply the length of fabric for each width by the number of widths you need to get the total amount of fabric you need. In our example this would be 195cm x 3 = 585cm or 5.85m of fabric needed.