Use this calculator to determine the tablecloth size you will need for a round table:

Table Diameter: Tablecloth Drop: No Drop 2 in (5cm) 4 in (10cm) 6 in (15cm) 8 in (20cm) 10 in (25cm) 12 in (30cm) Floor Length ( 30in / 76cm ) * Unit of Measurement: Inches Centimeters * Marko® By Carlisle recommends an 8" (20cm) drop on each side