Some basics for tablecloth sizing:55 in. x 55 in. - Card table square (seats 4)60 in. x 90 in. - Picnic Table (seats 6)60 in. x 120 in. - Family Style (seats 8-10)60 in. x 140 in. - Extra Long Family Style (seats 10-12)90 in. Round - Fits most round tables, only the drop changes