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The Spanish pound (Spanish libra) was 460 g. 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.
Because of the identity property of multiplication, multiplying any quantity (physical or not) by the dimensionless 1 does not change that quantity. Once this and the conversion factor for seconds per hour have been multiplied by the original fraction to cancel out the units mile and hour, 10 miles per hour converts to 4.4704 metres per second.
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 ...
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.: C-6 The dram weighs 27 + 11 ⁄ 32 grains,: C-6 or exactly 1.771 845 195 3125 grams.: C-14
The Russian pound ( Фунт, funt) is an obsolete Russian unit of measurement of mass. It is equal to 409.51718 g (14.445293 oz). [50] In 1899, the funt was the basic unit of weight, and all other units of weight were formed from it; in particular, a zolotnik was of a funt, and a pood was 40 fúnty .
A grain is a unit of measurement of mass, and in the troy weight, avoirdupois, and apothecaries' systems, equal to exactly 1/7000 of a pound. 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 definitions of units ...
1 g/cm 3 = 1000 kg/m 3; megagram (metric ton) per cubic metre (Mg/m 3) In US customary units density can be stated in: Avoirdupois ounce per cubic inch (1 g/cm 3 ≈ 0.578036672 oz/cu in) Avoirdupois ounce per fluid ounce (1 g/cm 3 ≈ 1.04317556 oz/US fl oz = 1.04317556 lb/US fl pint) Avoirdupois pound per cubic inch (1 g/cm 3 ≈ 0.036127292 ...
The equivalent weight of an element is the mass which combines with or displaces 1.008 gram of hydrogen or 8.0 grams of oxygen or 35.5 grams of chlorine. These values correspond to the atomic weight divided by the usual valence; [2] for oxygen as example that is 16.0 g / 2 = 8.0 g. For acid–base reactions, the equivalent weight of an acid or ...