WOW.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Grain (unit) - Wikipedia

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

    64.79891 mg. A grain is a unit of measurement of mass, and in the troy weight, avoirdupois, and apothecaries' systems, equal to exactly 64.798 91 milligrams. It is nominally based upon the mass of a single ideal seed of a cereal. From the Bronze Age into the Renaissance, the average masses of wheat and barley grains were part of the legal ...

  3. 21 grams experiment - Wikipedia

    en.wikipedia.org/wiki/21_grams_experiment

    One of the six subjects lost three-quarters of an ounce (21.3 grams). MacDougall stated his experiment would have to be repeated many times before any conclusion could be obtained. The experiment is widely regarded as flawed and unscientific due to the small sample size , the methods used, as well as the fact only one of the six subjects met ...

  4. Ounce - Wikipedia

    en.wikipedia.org/wiki/Ounce

    The Spanish ounce (Spanish onza) was 1 ⁄ 16 of a pound, i.e. 28.75 g. Tower ounce. The Tower ounce of 450 grains (29 grams) was a fraction of the tower pound used in the English mints, the principal one being in the Tower of London. It dates back to the Anglo-Saxon coinage weight standard.

  5. Troy weight - Wikipedia

    en.wikipedia.org/wiki/Troy_weight

    Troy ounce is a traditional unit of gold weight. Troy weight is a system of units of mass that originated in 15th-century Kingdom of England [1] and is primarily used in the precious metals industry. The troy weight units are the grain, the pennyweight (24 grains), the troy ounce (20 pennyweights), and the troy pound (12 troy ounces).

  6. Gram - Wikipedia

    en.wikipedia.org/wiki/Gram

    U.S. customary. 0.0352740 ounces. Atomic mass units. 6.022 140 76 × 1023 Da. The gram (originally gramme; [1] SI unit symbol g) is a unit of mass in the International System of Units (SI) equal to one thousandth of a kilogram . Originally defined as of 1795 as "the absolute weight of a volume of pure water equal to the cube of the hundredth ...

  7. Avoirdupois - Wikipedia

    en.wikipedia.org/wiki/Avoirdupois

    Such scales are used to make the most accurate of fine measurements, such as in the needs of empirical chemistry. Avoirdupois ( / ˌævərdəˈpɔɪz, ˌævwɑːrdjuːˈpwɑː /; [1] abbreviated avdp.) [2] is a measurement system of weights that uses pounds and ounces as units. [3] [4] It was first commonly used in the 13th century AD and was ...

  8. Dram (unit) - Wikipedia

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

    An ounce consisted of 437.5 grains, thus making the dram approximately 27.34 grains. drachm now meant only apothecaries' drachms, which were 1 ⁄ 8 of an apothecaries' ounce of 480 grains, thus equal to 60 grains. Modern unit of mass. In the avoirdupois system, the dram is the mass of 1 ⁄ 256 pound or 1 ⁄ 16 ounce.:

  9. Pound (mass) - Wikipedia

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

    The pound or pound-mass is a unit of mass used in both the British imperial and United States customary systems of measurement. Various definitions have been used; the most common today is the international avoirdupois pound, which is legally defined as exactly 0.453 592 37 kilograms, and which is divided into 16 avoirdupois ounces. [1]