The size of the tablecloth you need for a 54-inch square table depends on the desired drop, which is the length of the tablecloth that hangs over the edge of the table. Standard tablecloth drop lengths are 6-8 inches for casual dining, 15 inches for formal dining, and to the floor for a very formal or lavish event. If you're aiming for a casual look with a 6-8 inch drop, you would need a tablecloth that is 66-70 inches square. For a more formal look with a 15-inch drop, you would need an 84-inch square tablecloth. And if you want the tablecloth to reach the floor (typically a 29-30 inch drop

The size of the tablecloth you need for a 5ft rectangular table largely depends on the length of the drop you desire. The drop is the part of the tablecloth that hangs over the sides of the table. For a casual look, a drop of 6-8 inches is typically preferred, while for more formal settings, a drop of 15 inches or all the way to the floor may be desired. For a 5ft (60 inches) rectangular table, if you want a 6-inch drop, you would need a tablecloth that is 72 inches long (60 inches for the table length plus 6 inches drop on each end). Similarly, for an 8-inch drop, a tablecloth that is 76 in

Yes, you can use a square tablecloth on a rectangle table. The key is to ensure that it covers the table adequately and hangs evenly on all sides. The square tablecloth should be large enough to cover the entire surface of the rectangle table and have a uniform overhang. However, the result may not look as traditional as using a rectangle tablecloth on a rectangle table. The corners of the square tablecloth will hang lower on the rectangle table, creating a more casual, draped look. This can be a unique and stylish choice for informal gatherings or themed events.