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In ancient Rome, according to Vitruvius, a cubit was equal to 1 + 1 ⁄ 2 Roman feet or 6 palm widths (approximately 444 mm or 17 + 1 ⁄ 2 in). [23] A 120-centimetre cubit (approximately four feet long), called the Roman ulna, was common in the Roman empire, which cubit was measured from the fingers of the outstretched arm opposite the man's hip.
1.214 ft cubitum cubit: 1 + 1 ⁄ 2 pedes 444 mm 1.456 ft gradus pes sestertius step: 2 + 1 ⁄ 2 pedes 0.74 m 2.427 ft passus pace: 5 pedes 1.48 m 4.854 ft decempeda pertica: perch: 10 pedes 2.96 m 9.708 ft actus: path, track 120 pedes 35.5 m 116.496 ft 24 passus or 12 decembeda stadium: stade 625 pedes 185 m 607.14 ft 600 Greek feet
One cubit is originally the length from someone's elbow to the tip of their middle finger; it usually translates to approximately half a metre ±10%, with an ancient Roman cubit being as long as 120 cm. One cubit was equal to 6–7 palms, one palm being the width of a hand not including the thumb.
The IEEE symbol for the cubic foot per second is ft 3 /s. [1] The following other abbreviations are also sometimes used: ft 3 /sec; cu ft/s; cfs or CFS; cusec; second-feet; The flow or discharge of rivers, i.e., the volume of water passing a location per unit of time, is commonly expressed in units of cubic feet per second or cubic metres per second.
2.6 Feet. 3 Loudness. 4 Mass. 5 Time. 6 Volume. 7 Miscellaneous. 8 See also. ... Arsh - Arabic cubit; Cubit - length of the human forearm; Macedonian cubit; Cubitus ...
One cubit was equal to 0.464 m (18.5 in). [2] The Bam̆ba (Fathom), still in use as of 2016, is the distance between a man's outstretched arms. It is roughly 6 feet in length.
On surviving Ancient Egyptian cubit-rods, the royal cubit is divided into seven palms of four digits or fingers each. [10] Five digits are equal to a hand, with thumb; and six to a closed fist. [11] The royal cubit measured approximately 525 mm, [12] so the width of the ancient Egyptian hand was about 94 mm.
The values of the units varied according to location and epoch (e.g., in Aegina a pous was approximately 333 mm (13.1 in), whereas in Athens (Attica) it was about 296 mm (11.7 in)), [1] but the relative proportions were generally the same.