The dimensions of a standard 20ft refrigerated container are typically 20ft long, 8ft in width, and 8.5ft in height. Its internal dimensions provide approximately 19.4ft of length, 7.8ft of width, and 7.9ft of height. A standard 40ft refrigerated container measures 40ft in length, 8ft in width, and 9.5ft in height. Its internal dimensions offer approximately 39.4ft of length, 7.8ft of width, and 8.9ft of height.