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  2. Area formulas - Wikipedia

    en.wikipedia.org/wiki/Area

    1 acre = 4,840 square yards = 43,560 square feet. An acre is approximately 40% of a hectare. On the atomic scale, area is measured in units of barns, such that: [13] 1 barn = 10 −28 square meters. The barn is commonly used in describing the cross-sectional area of interaction in nuclear physics. [13]

  3. Square yard - Wikipedia

    en.wikipedia.org/wiki/Square_yard

    One square yard is equivalent to: 1,296 square inches; 9 square feet; ≈0.00020661157 acres; ≈0.000000322830579 square miles; 836 127.36 square millimetres; 8 361.2736 square centimetres; 0.83612736 square metres; 0.000083612736 hectares; 0.00000083612736 square kilometres; 1.00969 gaj [1]

  4. Floor area ratio - Wikipedia

    en.wikipedia.org/wiki/Floor_area_ratio

    Clarifying Duany's second criticism in reference to "lot coverage": If localities seek to regulate density through floor area ratio, the logical consequence is to encourage expansive one story building with less green space, as single story construction is less expensive than multi-story construction on a per square foot basis.

  5. Measurement of land in Punjab - Wikipedia

    en.wikipedia.org/wiki/Measurement_of_land_in_Punjab

    A killa or acre is measured rectangularly, reckoned as an area 36 karams (198 ft) x 40 karams (220 ft) (43,560 square ft). 1 /5th of a killa or acre is known as bigha 1 Karam = 5.5 feet = 1.83; or Gaj; 1 Yard or Gaj = 36 Inch = 0.91 Metre = 3 feet; 1 Sq Yard = 9 Sq Feet; To convert Sq feet to Sq Yard = Divide by 9

  6. Equable shape - Wikipedia

    en.wikipedia.org/wiki/Equable_shape

    An area cannot be equal to a length except relative to a particular unit of measurement. For example, if shape has an area of 5 square yards and a perimeter of 5 yards, then it has an area of 45 square feet (4.2 m 2) and a perimeter of 15 feet (since 3 feet = 1 yard and hence 9 square feet = 1 square yard).

  7. 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 ...

  8. List of unusual units of measurement - Wikipedia

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

    A Canadian football field is 65 yards (59 m) wide and 110 yards (100 m) long with end zones adding a combined 40 yards (37 m) to the length, making it 87,750 square feet (8,152 m 2) or 0.8215 ha (2.030 acres).

  9. Square foot - Wikipedia

    en.wikipedia.org/wiki/Square_foot

    Comparison of 1 square foot with some Imperial and metric units of area. The square foot (pl. square feet; abbreviated sq ft, sf, or ft 2; also denoted by ' 2 and ⏍) is an imperial unit and U.S. customary unit (non-SI, non-metric) of area, used mainly in the United States, Canada, the United Kingdom, Bangladesh, India, Nepal, Pakistan, Ghana, Liberia, Malaysia, Myanmar, Singapore and Hong Kong.