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  2. History of measurement - Wikipedia

    en.wikipedia.org/wiki/History_of_measurement

    Detail of a cubit rod in the Museo Egizio of Turin The earliest recorded systems of weights and measures originate in the 3rd or 4th millennium BC. Even the very earliest civilizations needed measurement for purposes of agriculture, construction and trade. Early standard units might only have applied to a single community or small region, with every area developing its own standards for ...

  3. Volume - Wikipedia

    en.wikipedia.org/wiki/Volume

    Volume is a measure of regions in three-dimensional space. [1] It is often quantified numerically using SI derived units (such as the cubic metre and litre) or by various imperial or US customary units (such as the gallon, quart, cubic inch). The definition of length and height (cubed) is interrelated with volume.

  4. Historical metrology - Wikipedia

    en.wikipedia.org/wiki/Historical_metrology

    In 2018, the first of three volumes of the book "Encyclopaedia of Historical Metrology, Weights, and Measures" was published. The book addresses the myriad units of measurement that have arisen through the ages, from weights used by ancient cultures to the scientific units of the modern world.

  5. Historical definitions of the SI base units - Wikipedia

    en.wikipedia.org/wiki/Historical_definitions_of...

    Evolution of the SI base units [1]: 6 [5] [6]; Unit name Definition [n 1]; second: Prior: (1675) ⁠ 1 / 86 400 ⁠ of a day of 24 hours of 60 minutes of 60 seconds. TLB; Interim (1956): ⁠ 1 / 31 556 925.9747 ⁠ of the tropical year for 1900 January 0 at 12 hours ephemeris time.

  6. History of the metric system - Wikipedia

    en.wikipedia.org/wiki/History_of_the_metric_system

    Units in everyday use by country as of 2019 The history of the metric system began during the Age of Enlightenment with measures of length and weight derived from nature, along with their decimal multiples and fractions. The system became the standard of France and Europe within half a century. Other measures with unity ratios [Note 1] were added, and the system went on to be adopted across ...

  7. Grave (unit) - Wikipedia

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

    The modern kilogram has its origins in the Age of Enlightenment and the French Revolution.In 1790 an influential proposal by Talleyrand called for a new system of units, including a unit of length derived from an invariable length in nature, and a unit of mass (then called weight) equal to the mass of a unit volume of water. [4]

  8. Unit of volume - Wikipedia

    en.wikipedia.org/wiki/Unit_of_volume

    6 volumetric measures from the mens ponderia in Pompeii, a municipal institution for the control of weights and measures (79 A. D.). A unit of volume is a unit of measurement for measuring volume or capacity, the extent of an object or space in three dimensions.

  9. Square–cube law - Wikipedia

    en.wikipedia.org/wiki/Square–cube_law

    The square–cube law was first mentioned in Two New Sciences (1638).. The square–cube law (or cube–square law) is a mathematical principle, applied in a variety of scientific fields, which describes the relationship between the volume and the surface area as a shape's size increases or decreases.