The cubit is an ancient unit of length based on the distance from the elbow to the tip of the middle finger. It was primarily associated with the Sumerians and the Egyptians. The term cubit is found i
Cubit rod of Maya, 52.3 cm long, 1336–1327 BC (Eighteenth Dynasty)
The Nippur cubit-rod in the Archeological Museum of Istanbul, Turkey
The palm is an obsolete anthropic unit of length, originally based on the width of the human palm and then variously standardized. The same name is also used for a second, rather larger unit based on
Cubit
…the Covenant, the Tabernacle, the gallows of the Book of Esther, the Miraculous catch of fish and Solomon's Temple. The common cubit was divided into 6 palms × 4 fingers = 24 digits. Royal cubits added a palm for 7 palms × 4 fingers = 28 digits. These lengths typically ranged from 44.4 to 52.92 cm (1 ft 5+1⁄2…
Detail of the cubit rod in the Museo Egizio of Turin, showing digit, palm, hand and fist lengths
Sign giving the metric equivalents of the units in use in the 17th century in the covered market of Pernes-les-Fontaines in the Vaucluse