Cape Verde, land measures

						alqueres
					quarta	4
				casel	2 2/15	8 8/15
			onça	1 7/8	4	16
	square lança		60	112½	240	960
square braça		4	240	450	960	3840
vara	4	16	960	1800	3840	15,360
1.21 sq m	4.84 sq m	19.36 sq m	1161.6 sq m	2178 sq m	4646.4 sq m	18,585.6 sq m

This sequence of units has two examples of words expressing a certain ratio: The quarta represents 1:4, a quarter of an alqueres. Onça, from the Latin uncia, "ounce," is another such word, originally representing a 1:12 ratio, established by the ancient Roman uncia:libra (ounce to pound) ratio as in the English troy pound, and later a 1:16 ratio, as in the pound avoirdupois.

Most values from UN 1966.

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