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  2. Ancient Roman units of measurement - Wikipedia

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

    A Roman steelyard weight of one dodrans, i.e. 3 ⁄ 4 libra. The units of weight or mass were mostly based on factors of 12. Several of the unit names were also the names of coins during the Roman Republic and had the same fractional value of a larger base unit: libra for weight and as for coin. Modern estimates of the libra range from 322 to ...

  3. List of obsolete units of measurement - Wikipedia

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

    As relevant to this article, it was a unit of mass, being 120 lb (54 kg). Grzywna; Keel – a UK unit of mass for coal, equaling 21,540.19446656 kg (47,488.0000000 lb) [7]: 48 Large sack – a unit of mass equal to 2 (new) sacks; Long ton; Lot; Mark; Munjandie; Oka; Pao; Passeree – a unit of mass equal to about 4.6 kg (10.1412640605 lb ...

  4. Medieval weights and measures - Wikipedia

    en.wikipedia.org/wiki/Medieval_weights_and_measures

    1 Roman cubit = 444 mm (so 10000 Roman cubits = 4.44 km, a closer approximation to 1 ⁄ 25 degree) toise – Fathom, 6 pieds. Originally introduced by Charlemagne in 790, it is now considered to be 1.949 m. arpent – 30 toises or 180 pieds, 58.471 m; lieue de poste – Legal league, 2000 toises, 3.898 km

  5. Uncia (unit) - Wikipedia

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

    The uncia (plural: unciae, lit. "a twelfth") was a Roman unit of length, weight, and volume.It survived as the Byzantine liquid ounce (Ancient Greek: οὐγγία, oungía) and the origin of the English inch, ounce, and fluid ounce.

  6. Carat (mass) - Wikipedia

    en.wikipedia.org/wiki/Carat_(mass)

    The solidus was also a Roman weight unit. There is literary evidence that the weight of 72 coins of the type called solidus was exactly 1 Roman pound, and that the weight of 1 solidus was 24 siliquae. The weight of a Roman pound is generally believed to have been 327.45 g or possibly up to 5 g less.

  7. Comparison of the imperial and US customary measurement ...

    en.wikipedia.org/wiki/Comparison_of_the_imperial...

    The metric ton is the name used for the tonne (1000 kg, 2 204.622 62 lb), which is about 1.6% less than the long ton. The US customary system also includes the kip, equivalent to 1,000 pounds of force, which is also occasionally used as a unit of weight of 1,000 pounds (usually in engineering contexts).

  8. Bushel - Wikipedia

    en.wikipedia.org/wiki/Bushel

    This is done by assigning a standard weight to each commodity that is to be measured in bushels. These bushels depend on the commodities being measured, and on the moisture content of the commodity. Some of the more common ones are: Oats: US: 32 lb [7] (14.5150 kg) Canada: 34 lb [8] (15.4221 kg) UK: 38 lb [9] (17.2365 kg) Barley: 48 lb [7] (21. ...

  9. Bag (unit) - Wikipedia

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

    The Oxford English Dictionary has a definition of "bag" as "A measure of quantity for produce, varying according to the nature of the commodity" and has quotations illustrating its use for hops in 1679, almonds in 1728 (where it is defined by weight as "about 3 Hundred Weight" i.e. 336 pounds (152 kg) in Imperial units) and potatoes in 1845 ...