King size bed dimensions:

King Size Bed Dimensions , CM: King Bed Size refers to mattress size (width and length). See illustration above. Measurements in CM. For measurements in Inches, see above. Discover the measurements of one of the bigger bed sizes , explained in the king Bed Size chart & dimension guide, with Mattress sizing tips. King Size Beds have an overall length of 80” (203 cm) and width of 76” (193 cm) . King Size Beds have an overall area of 42.22 ft2 (3.92 m2). King Size Beds typically have mattress thicknesses in the range of 9”-12” (22.9-30.5 cm).