calculation method: 100=100+70x2=240cm
.american large round tablecloth, cotton and linen round table cloth, home european rectangular tablecloth t200707 square tablecloth size = length width + hang length x2 for example, the length of the table is 120cmx60cm calculation method: (120+30x2) x (60x30x2) =180x120cm round table cloth size = table diameter + hanging length x2 for example, the diameter of the table is 100cm and the length is 70cm.