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  2. American football field - Wikipedia

    en.wikipedia.org/wiki/American_football_field

    The rectangular field of play used for American football games measures 100 yards (91.44 m) long between the goal lines, and 160 feet (48.8 m) (53.3 yards) wide. The field may be made of grass or artificial turf. In addition, there are end zones extending another 10 yards (9.144 m) past the goal lines to the "end lines", for a total length of ...

  3. Fathom - Wikipedia

    en.wikipedia.org/wiki/Fathom

    One fathom is equal to: 1.8288 metres exactly (Official international definition of the fathom) [10] 1.828804 m (Obsolete measurement of the fathom based on the US survey foot, only for use of historical and legacy applications) [11] 2 yards (1 yard is exactly 1 ⁄ 2 fathom) 6 feet (1 foot is exactly 1 ⁄ 6 fathom) 18 hands; 72 inches

  4. Furlong - Wikipedia

    en.wikipedia.org/wiki/Furlong

    The only thing that changed was the number of feet and yards in a rod or a furlong, and the number of square feet and square yards in an acre. The definition of the rod went from 15 old feet to 16 + 1 ⁄ 2 new feet, or from 5 old yards to 5 + 1 ⁄ 2 new yards. The furlong went from 600 old feet to 660 new feet, or from 200 old yards to 220 ...

  5. Yard - Wikipedia

    en.wikipedia.org/wiki/Yard

    The yard (symbol: yd) [ 3 ][ 4 ] is an English unit of length in both the British imperial and US customary systems of measurement equalling 3 feet or 36 inches. Since 1959 it has been by international agreement standardized as exactly 0.9144 meter. A distance of 1,760 yards is equal to 1 mile.

  6. 100-yard dash - Wikipedia

    en.wikipedia.org/wiki/100-yard_dash

    The 100-yard dash is a track and field sprint event of 100 yards (91.44 metres). It was part of the Commonwealth Games until 1970, and was included in the triathlon of the Olympics in 1904. It is not generally used in international events, replaced by the 100-metre sprint (109.36 yards). However, it is still occasionally run in the United ...

  7. Minute and second of arc - Wikipedia

    en.wikipedia.org/wiki/Minute_and_second_of_arc

    1′ at 100 yards is about 1.047 inches [19] 1′ ≈ 0.291 mrad (or 29.1 mm at 100 m, approximately 30 mm at 100 m) 1 mrad ≈ 3.44′, so ⁠ 1 / 10 ⁠ mrad ≈ ⁠ 1 / 3 ⁠ ′ 0.1 mrad equals exactly 1 cm at 100 m, or exactly 0.36 inches at 100 yards

  8. Link (unit) - Wikipedia

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

    The link (usually abbreviated as "l.", "li." or "lnk."), sometimes called a Gunter’s link, is a unit of length formerly used in many English-speaking countries. In US customary units modern definition, the link is exactly 100 of a US survey foot, [1] or exactly 7.92 inches or 20.1168 cm. The unit is based on Gunter's chain, a metal chain 66 ...

  9. Mile - Wikipedia

    en.wikipedia.org/wiki/Mile

    nautical units. ≈ 0.868 98 nmi [n 1] The mile, sometimes the international mile or statute mile to distinguish it from other miles, is a British imperial unit and United States customary unit of length; both are based on the older English unit of length equal to 5,280 English feet, or 1,760 yards. The mile is commonly known to be a lesser ...