Search results
Results from the WOW.Com Content Network
Conversions between units in the metric system are defined by their prefixes ... register ton: ≡ 100 cu ft = 2.831 684 6592 m 3: sack (US) ... gallon (US fluid) per ...
In both systems, 20 hundredweights make a ton. In the US, the terms long ton (2240 lb, 1 016.046 9088 kg) and short ton (2000 lb; 907.184 74 kg) are used. 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.
Units for other physical quantities are derived from this set as needed. In English Engineering Units, the pound-mass and the pound-force are distinct base units, and Newton's Second Law of Motion takes the form = where is the acceleration in ft/s 2 and g c = 32.174 lb·ft/(lbf·s 2).
In the cases where non-SI units are used, the numerical calculation of a formula can be done by first working out the factor, and then plug in the numerical values of the given/known quantities. For example, in the study of Bose–Einstein condensate , [ 6 ] atomic mass m is usually given in daltons , instead of kilograms , and chemical ...
A US fluid ounce (fl oz), about 29.6 millilitres (ml), is slightly larger than the imperial fluid ounce (about 28.4 ml). However, as there are 16 US fl oz to a US pint and 20 imp fl oz per imperial pint, the imperial pint is about 20% larger. The same is true of quarts, gallons, etc.; six US gallons are a little less than five imperial gallons.
The Metric Commission was created by the act and abolished in 1985. The act sets forth the regulation of measurements and the commerce conducted using measuring devices. The act provides that the International System of measurement be used with what the act calls "Customary units used with the international system" such as hour , minutes ...
The 2000, 2003, and 2004 [105] editions of the Manual on Uniform Traffic Control Devices (MUTCD) were published using both metric and US customary units. Metric signs, including speed signs in kilometers per hour, were displayed in the manual although they were not normally used on the roads and there was no definite plan to convert to metric.
Historically, a common bottle size for liquor in the US was the "fifth", i.e. one-fifth of a US gallon (or one-sixth of an imperial gallon). While spirit sales in the US were switched to metric measures in 1976, a 750 mL bottle is still sometimes known as a "fifth". [50] [51]