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  2. Tola (unit) - Wikipedia

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

    The tola ( Hindi: तोला / Urdu: تولا, romanized : tolā; also transliterated as tolah or tole) is a traditional Ancient Indian and South Asian unit of mass, now standardised as 180 grains ( 11.6638038 grams) or exactly 3⁄8 troy ounce. It was the base unit of mass in the British Indian system of weights and measures introduced in ...

  3. Indian units of measurement - Wikipedia

    en.wikipedia.org/wiki/Indian_units_of_measurement

    80 tola s = 1 ser (= 870.89816 gram) 40 sers = 1 maund (= 34 kg 8 hg 3 dag 5g 9 dg 2.6 cg /34.835926 kilograms) 1 rattī = 1.75 grains (= 0.11339825 gram/113 milligrams 398 1/4 micrograms 4 attograms ) (1 grain = 0.064799 gram) From 1833 the rupee and tolā weight was fixed at 180 grains, i.e. 11.66382 grams. Hence the weight of 1 maund ...

  4. Tael - Wikipedia

    en.wikipedia.org/wiki/Tael

    In China, there were many different weighting standards of tael depending on the region or type of trade. In general the silver tael weighed around 40 grams (1.3 ozt). The most common government measure was the Kuping (庫平; kùpíng; 'treasury standard') tael, weighing 37.5 grams (1.21 ozt

  5. Wheat and chessboard problem - Wikipedia

    en.wikipedia.org/wiki/Wheat_and_chessboard_problem

    The problem may be solved using simple addition. With 64 squares on a chessboard, if the number of grains doubles on successive squares, then the sum of grains on all 64 squares is: 1 + 2 + 4 + 8 + ... and so forth for the 64 squares. The total number of grains can be shown to be 2 64 −1 or 18,446,744,073,709,551,615 (eighteen quintillion ...

  6. Dram (unit) - Wikipedia

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

    The dram (alternative British spelling drachm; apothecary symbol ʒ or ℨ; [ a] abbreviated dr) [ 4][ 5]: C-6–C-7 [ 6] is a unit of mass in the avoirdupois system, and both a unit of mass and a unit of volume in the apothecaries' system. [ 5] It was originally both a coin and a weight in ancient Greece. [ 7]

  7. Talent (measurement) - Wikipedia

    en.wikipedia.org/wiki/Talent_(measurement)

    Talent (measurement) The talent ( Ancient Greek: τάλαντον, talanton, Latin talentum) was a unit of weight used in the ancient world, often used for weighing gold and silver, but also mentioned in connection with other metals, ivory, [ 1] and frankincense. In Homer 's poems, it is always used of gold and is thought to have been quite a ...

  8. Orders of magnitude (mass) - Wikipedia

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

    The tonne (t) is an SI-compatible unit of mass equal to a megagram ( Mg ), or 10 3 kg. The unit is in common use for masses above about 10 3 kg and is often used with SI prefixes. For example, a gigagram ( Gg) or 10 9 g is 10 3 tonnes, commonly called a kilotonne .

  9. Metric prefix - Wikipedia

    en.wikipedia.org/wiki/Metric_prefix

    10 2: 100 deca: da: 10 1: 10 ... One kilogram calorie, which equals one thousand gram calories, often appears capitalised and without a prefix (i.e. Cal) ...