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The international yard was about two millionths of a meter longer than the imperial yard, while the international pound was about six ten-millionths of a kilogram lighter than the imperial pound. [13] The metric-based international yard and international pound were adopted by the United States National Bureau of Standards effective 1 July 1959.
4,840 sq yd 4,046.856422 m 2: square rod perche carrée: 30 + 1 ⁄ 4 sq yd 25.29285264 m 2: square yard yard carré or verge carrée: a superficial area equal to that of a square each side of which measures one yard 8361.2736 cm 2: square foot pied carré: 1 ⁄ 9 sq yd 929.0304 cm 2: square inch pouce carré: 1 ⁄ 144 sq ft 6.4516 cm 2
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For measuring length, the U.S. customary system uses the inch, foot, yard, and mile, which are the only four customary length measurements in everyday use.From 1893, the foot was legally defined as exactly 1200 ⁄ 3937 m (approximately 0.304 8006 m). [13]
point (Didot; European) [14] [15] pt ≡ 1 ⁄ 12 × 1 ⁄ 72 of pied du roi; After 1878: ≡ 5 ⁄ 133 cm ≈ 0.000 375 97 m; After 1878: ≈ 0.000 375 939 85 m: point [13] pt ≡ 1 ⁄ 72 in = 0.000 352 7 m point [13] pt ≡ 1 ⁄ 72.27 in = 0.00 0 351 4598 m quarter: ≡ 1 ⁄ 4 yd = 0.2286 m rod; pole; perch (H) rd ≡ 16 + 1 ⁄ 2 ft = 5. ...
The former Weights and Measures office in Seven Sisters, London (590 Seven Sisters Road). The imperial system of units, imperial system or imperial units (also known as British Imperial [1] or Exchequer Standards of 1826) is the system of units first defined in the British Weights and Measures Act 1824 and continued to be developed through a series of Weights and Measures Acts and amendments.
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15-year-old 1923 6 years 5 ft 7 in (1.70 m) 146 lb (66 kg) Height of average adult male (global average). 1924 7 years 5 ft 10 in (1.78 m) 159 lb (72 kg) Height of average adult male in the United States. 1925 8 years 6 ft 0 in (1.83 m) [18] 169 lb (77 kg) [18] Height of average adult male in the Netherlands. 1926 9 years