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  2. Ancient Roman units of measurement - Wikipedia

    en.wikipedia.org/wiki/Ancient_Roman_units_of...

    Metric equivalents are approximate, converted at 1 pes = 296 mm. Other units of area described by Columella in his De Re Rustica include the porca of 180 × 30 Roman feet (about 473 m 2 or 5,090 sq ft) used in Hispania Baetica and the Gallic candetum or cadetum of 100 feet [ clarification needed ] in the city or 150 in the country.

  3. List of obsolete units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_obsolete_units_of...

    Dimi (metric prefix) – a discontinued non-SI metric prefix for 10 −4 [7] Einstein – unit of energy, and a unit of amount of substance; Fanega – a unit of dry volume, and a unit of area; Fresnel – a unit of frequency; Garce – a unit of dry volume in India, and a unit of mass in Sri Lanka; Hobbit – a unit of volume, or, more rarely ...

  4. League (unit) - Wikipedia

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

    It was used along with the metric system for a while, but is long discontinued. A metric lieue was used in France from 1812 to 1840, with 1 metric lieue being exactly 4,000 m, or 4 km (about 2.5 mi). [4] It is this unit that is referenced in both the title and the body text of Jules Verne's novel Twenty Thousand Leagues Under the Seas (1870). [5]

  5. Byzantine units of measurement - Wikipedia

    en.wikipedia.org/wiki/Byzantine_units_of_measurement

    Byzantine units of measurement were a combination and modification of the ancient Greek and Roman units of measurement used in the Byzantine Empire. Until the reign of Justinian I (527–565), no universal system of units of measurement existed in the Byzantine world, and each region used its traditional measures.

  6. Cubit - Wikipedia

    en.wikipedia.org/wiki/Cubit

    The ancient Egyptian royal cubit (meh niswt) is the earliest attested standard measure.Cubit rods were used for the measurement of length.A number of these rods have survived: two are known from the tomb of Maya, the treasurer of the 18th dynasty pharaoh Tutankhamun, in Saqqara; another was found in the tomb of Kha in Thebes.

  7. System of units of measurement - Wikipedia

    en.wikipedia.org/wiki/System_of_units_of_measurement

    Multiples and submultiples of metric units are related by powers of ten and their names are formed with prefixes. This relationship is compatible with the decimal system of numbers and it contributes greatly to the convenience of metric units. In the early metric system there were two base units, the metre for length and the gram for mass. The ...

  8. List of human-based units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_human-based_units...

    Gradus - Ancient Roman step; Hand - breadth of a human hand; Klafter - German measure of outstretched hands; League - the distance a person can walk in an hour (by one definition) Orgyia - Ancient Greek fathom; Parasang - the distance an infantryman could march in a predefined period of time; Pygmē - distance from elbow to base of fingers ...

  9. History of measurement - Wikipedia

    en.wikipedia.org/wiki/History_of_measurement

    The troy pound (~373.2 g) used in England and the United States for monetary purposes, like the Roman pound, was divided into 12 ounces, but the Roman uncia (ounce) was smaller. The carat is a unit for measuring gemstones that had its origin in the carob seed, which later was standardized at 1/144 ounce and then 0.2 gram.