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The international standard symbol for inch is in (see ISO 31-1, Annex A) but traditionally the inch is denoted by a double prime, which is often approximated by a double quote symbol, and the foot by a prime, which is often approximated by an apostrophe. For example; three feet, two inches can be written as 3 ′ 2″.
The prime symbol, ′, is commonly used to represent the foot. [3] In both customary and imperial units, one foot comprises 12 inches, and one yard comprises three feet. Since an international agreement in 1959, the foot is defined as equal to exactly 0.3048 meters.
From fingertips to elbow, 18 inches. Yard: 0.914 m: 3 feet = 36 inches, the practical base unit, defined as the length of the prototype bar held by the Crown or Exchequer. Ell: 1.143 m: From fingertip of outstretched arm to opposite shoulder, 20 nails = 1 + 1 ⁄ 4 yard or 45 inches. Mostly for measuring cloth. Fathom: 1.829 m
The cubic inch and the cubic foot are used as units of volume in the United States, although the common SI units of volume, the liter, milliliter, and cubic meter, are also used, especially in manufacturing and high technology. One cubic inch is exactly 16.387 064 mL. One cubic foot is equal to exactly 1,728 cubic inches (28.316846592 L), as 12 ...
He then hit 39 1/2 inches in the vertical jump and 10 feet, 9 inches in the broad jump, all near-elite marks. ... Sawyer's 31 3/4-inch arm length puts him well inside the bottom 10th percentile ...
793.5 cm 3: 0.1745 imp gal 0.1801 U.S. dry gal 1 ⁄ 4 of a quart. The litre is etymologically related to this unit. quart: 1 ⁄ 4: 3.174 dm 3: 0.698 imp gal 0.721 U.S. dry gal 1 ⁄ 4 of a boisseau. boisseau: 1 12.7 dm 3: 2.8 imp gal 2.9 U.S. dry gal Although etymologically related to the English unit bushel, the French bushel is about one ...
The world's tallest man was 3 feet tall as a toddler, could carry his father at age 9, and stretched to a fantastic height of 8 feet 11 inches.
Three foot gauge railways have a track gauge of 3 ft (914 mm) or 1 yard. This gauge is a narrow gauge and is generally found throughout North , Central , and South America . In Ireland , many secondary and industrial lines were built to 3 ft gauge, and it is the dominant gauge on the Isle of Man , where it is known as the Manx Standard Gauge .