Exodus 37:1

1Bezalel made the ark of acacia wood—two and a half cubits long, a cubit and a half wide, and a cubit and a half high.37:1 That is, about 3 3/4 feet long and 2 1/4 feet wide and high or about 1.1 meters long and 68 centimeters wide and high; similarly in verse 6