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  2. Floor area - Wikipedia

    en.wikipedia.org/wiki/Floor_area

    In architecture, construction, and real estate, floor area, floor space, or floorspace is the area (measured in square metres or square feet) taken up by a building or part of it. The ways of defining "floor area" depend on what factors of the building should or should not be included, such as external walls, internal walls, corridors, lift ...

  3. Planimeter - Wikipedia

    en.wikipedia.org/wiki/Planimeter

    The area of the shape is proportional to the number of turns through which the measuring wheel rotates. The polar planimeter is restricted by design to measuring areas within limits determined by its size and geometry. However, the linear type has no restriction in one dimension, because it can roll.

  4. Floor plan - Wikipedia

    en.wikipedia.org/wiki/Floor_plan

    A floor plan is not a top view or bird's-eye view; it is a measured drawing to scale of the layout of a floor in a building. A top view or bird's-eye view does not show an orthogonally projected plane cut at the typical four foot height above the floor level. A floor plan may show any of the following elements: [3] interior walls and hallways ...

  5. M squared - Wikipedia

    en.wikipedia.org/wiki/M_squared

    When measuring the beam parameter product and M 2, one uses the D4σ or "second moment" width of the beam to determine both the radius of the beam's waist and the divergence in the far field. [ 1 ] M 2 can be measured by placing an array detector or scanning-slit profiler at multiple positions within the beam after focusing it with a lens of ...

  6. American Measurement Standard - Wikipedia

    en.wikipedia.org/wiki/American_Measurement_Standard

    The methodology of the American Measurement Standard was compiled and edited by a consensus of real estate professionals including real estate agents, appraisers, assessors, home builders and architects, and is based on the exterior dimensions of a dwelling. The AMS contains over three times more specific home measurement details than any other ...

  7. Square metre - Wikipedia

    en.wikipedia.org/wiki/Square_metre

    Comparison of 1 square metre with some Imperial and metric units of area. The square metre (international spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the unit of area in the International System of Units (SI) with symbol m 2. [1]

  8. Square (unit) - Wikipedia

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

    Construction in Australia no longer uses the square as a unit of measure, and it has been replaced by the square metre. The measurement was often used by estate agents to make the building sound larger as the measure includes the areas outside under the eaves, and so cannot be directly compared to the internal floor area.

  9. Specific surface area - Wikipedia

    en.wikipedia.org/wiki/Specific_surface_area

    Ceramic Raschig rings.....and plastic BiaƂecki rings of increased SSA. Values obtained for specific surface area depend on the method of measurement. In adsorption based methods, the size of the adsorbate molecule (the probe molecule), the exposed crystallographic planes at the surface and measurement temperature all affect the obtained specific surface area. [4]