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  2. Harold E. Puthoff - Wikipedia

    en.wikipedia.org/wiki/Harold_E._Puthoff

    Harold Edward Puthoff (born June 20, 1936), [2] often known as Hal Puthoff, is an American electrical engineer and parapsychologist. [ 3 ] Early life and career

  3. Nepalese customary units of measurement - Wikipedia

    en.wikipedia.org/wiki/Nepalese_customary_units...

    1 katha = 20 dhur; 1 bigha = 20 katha; Hilly and mountainous regions. A different system is used in hilly regions: 1 paisa = 4 dam (daam) 1 ana (aana) = 4 paisa [2] 1 ropani = 16 ana; Conversions 1 ropani = 74 feet × 74 feet; 1 bigha = 13 Ropani 5 Anna; 1 kattha = 442 square yards or 338 square meters [7]

  4. Rod (unit) - Wikipedia

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

    The rod is useful as a unit of length because integer multiples of it can form one acre of square measure (area). The 'perfect acre' [2] is a rectangular area of 43,560 square feet, bounded by sides 660 feet (a furlong) long and 66 feet (a chain) wide (220 yards by 22 yards) or, equivalently, 40 rods by 4 rods. An acre is therefore 160 square ...

  5. Talk:Acre - Wikipedia

    en.wikipedia.org/wiki/Talk:Acre

    1 yard = 3 feet, so, 220 yd by 22 yd = 660 by 66 feet. Thus, 66 feet wide. Nik42 08:04, 11 Feb 2005 (UTC) If your "acre" is a rectangle, then its width is 43,560 ft² divided by the length in feet. If that rectangle is a square, then each side is √(43,560 ft²), or about 208 ft 8½ in, the maximum width of a rectangular one-acre tract.

  6. Hectare - Wikipedia

    en.wikipedia.org/wiki/Hectare

    The entire yellow square is one square mile. The hectare (/ ˈ h ɛ k t ɛər,-t ɑːr /; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm 2), that is, 10,000 square metres (10,000 m 2), and is primarily used in the measurement of land. There are 100 hectares in one square kilometre.

  7. Acre - Wikipedia

    en.wikipedia.org/wiki/Acre

    One acre equals 1 ⁄ 640 (0.0015625) square mile, 4,840 square yards, 43,560 square feet, [2] or about 4,047 square metres (0.4047 hectares) (see below).While all modern variants of the acre contain 4,840 square yards, there are alternative definitions of a yard, so the exact size of an acre depends upon the particular yard on which it is based.

  8. Square yard - Wikipedia

    en.wikipedia.org/wiki/Square_yard

    Comparison of 1 square yard with some Imperial and metric units of area The square yard ( Northern India : gaj , Pakistan : gaz ) is an imperial unit and U.S. customary unit of area . It is in widespread use in most of the English -speaking world, particularly the United States, United Kingdom, Canada, Pakistan and India.

  9. Megalithic yard - Wikipedia

    en.wikipedia.org/wiki/Megalithic_yard

    The megalithic yard is a hypothetical ancient unit of length equal to about 2.72 feet (0.83 m). [ 1 ] [ 2 ] [ 3 ] Some researchers believe it was used in the construction of megalithic structures. The proposal was made by Alexander Thom as a result of his surveys of 600 megalithic sites in England , Scotland , Wales and Brittany . [ 4 ]