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  2. Ottoman units of measurement - Wikipedia

    en.wikipedia.org/wiki/Ottoman_units_of_measurement

    31.57 mm (1.243 in) kerrab or kirab: 42.5 mm (1.67 in) rubu or urup: 2 kerrab: 85 mm (3.3 in) ayak or kadem: آیاق: foot 12 parmak: 378.87 mm (1.2430 ft) endaze: ell: 650 mm (2.13 ft) arşın: آرشين or آرشون: ell 68 cm (2.23 ft) zirai: agricultural/yard 2 ayak: 757.74 mm (2.4860 ft) kulaç: fathom: 1.8288 m (6.000 ft) berid or ...

  3. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    1.0 mm – 0.03937 inches or 5/127 (exactly) 1.0 mm – side of a square of area 1 mm²; 1.0 mm – diameter of a pinhead; 1.5 mm – average length of a flea [27] 2.54 mm – distance between pins on old dual in-line package (DIP) electronic components; 5 mm – length of an average red ant; 5 mm – diameter of an average grain of rice

  4. English units - Wikipedia

    en.wikipedia.org/wiki/English_units

    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

  5. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    Double" shots (surprisingly not always the size of two single shots, even in the same place) are 40–100 ml (1.4–3.5 imp fl oz; 1.4–3.4 US fl oz). In the UK, spirits are sold in shots of either 25 ml (0.88 imp fl oz; 0.85 US fl oz) (approximating the old fluid ounce) or 35 ml (1.2 imp fl oz; 1.2 US fl oz). [41]

  6. Weights and Measures Acts (UK) - Wikipedia

    en.wikipedia.org/wiki/Weights_and_Measures_Acts_(UK)

    The informal public imperial measurement standards erected at the Royal Observatory, Greenwich, London, in the 19th century: 1 British yard, 2 feet, 1 foot, 6 inches, and 3 inches. The inexact monument was designed to permit rods of the correct measure to fit snugly into its pins at an ambient temperature of 62°F (16 2 ⁄ 3 °C).

  7. Pound (mass) - Wikipedia

    en.wikipedia.org/wiki/Pound_(mass)

    The first schedule of the act gave more details of the standard pound: it is a platinum cylinder nearly 1.35 inches (34 mm) high, and 1.15 inches (29 mm) diameter, and the edges are carefully rounded off. It has a groove about 0.34 inches (8.6 mm) from the top, to allow the cylinder to be lifted using an ivory fork.

  8. Yard - Wikipedia

    en.wikipedia.org/wiki/Yard

    The quarter of a yard (9 inches) was known as the "quarter" without further qualification, while the sixteenth of a yard (2.25 inches) was called a nail. [62] The eighth of a yard (4.5 inches) was sometimes called a finger, [63] but was more commonly referred to simply as an eighth of a yard, while the half-yard (18 inches) was called "half a ...

  9. Foot (unit) - Wikipedia

    en.wikipedia.org/wiki/Foot_(unit)

    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. Historically, the "foot" was a part of many local systems of units, including the Greek, Roman, Chinese, French, and English systems. It varied in ...