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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.
C-19 One gram is thus approximately equivalent to 15.432 36 grains.: C-13 The unit formerly used by jewellers to measure pearls, diamonds, and other precious stones, called the jeweller's grain or pearl grain, is equal to 1 ⁄ 4 carat (50 mg; 0.77 gr). The grain was also the name of a traditional French unit equal to 53.115 mg.
An imperial fluid ounce is 1 ⁄ 20 of an imperial pint, 1 ⁄ 160 of an imperial gallon or exactly 28.4130625 mL. A US customary fluid ounce is 1 ⁄ 16 of a US liquid pint and 1 ⁄ 128 of a US liquid gallon or exactly 29.5735295625 mL, making it about 4.08% larger than the imperial fluid ounce. A US food labeling fluid ounce is exactly 30 mL.
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 ...
An input unit can be converted to any number of output units—the outputs are specified as a "combination" by separating unit codes with a space (" ") or a plus (" + "). Using a space as a separator does not work if any of the unit codes contains a space. For example, each of the following converts 1.2 km 2 to acres, square yards, and hectares.
For example, the American Gold Eagle is embossed One Oz. Fine Gold and weighs 1.091 troy oz. Troy mass of silver content. Fineness of silver in Britain was traditionally expressed as the mass of silver expressed in troy ounces and pennyweights (1 ⁄ 20 troy ounce) in one troy pound (12 troy ounces) of the resulting alloy.
The teaspoon, tablespoon, and cup are defined in terms of a fluid ounce as 1 ⁄ 6, 1 ⁄ 2, and 8 fluid ounces respectively. The fluid ounce derives its name originally from being the volume of one ounce avoirdupois of water, [citation needed] but in the US it is defined as 1 ⁄ 128 of a US gallon. Consequently, a fluid ounce of water weighs ...