RECTANGULAR DINING TABLE SIZING CHEAT SHEET. If you've struggled to determine the best sized dining table for your family and space, this Cheat Sheet is for you! 4 Chairs | Table between 48” x 38” and 54” x 38” 6 Chairs | Table between 60” x 38” and 72” x 40” 8 Chairs | Table between 84” x 40” and 102” x 40” 10 Chairs | Table between 108” x 40” and 120” x 40” LTKHome LTKStyleTip LTKFamily