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Its changeover lasted from 1 April 1960, when metric measurements became legal, to 1 April 1962, when all other systems were banned. The Indian model was extremely successful and was copied over much of the developing world. Two industrialized Commonwealth countries, Australia and New Zealand, also did a quick conversion to metric.
The litre (1 dm 3) for volumes of liquid; The gramme, for mass—defined as the mass of one cubic centimetre of water; The franc, for currency. Historical note: only the metre and (kilo)gramme defined here went on to become part of later metric systems. Litres and to a lesser extent hectares (100 ares, or 1 hm 2) are still in use, but are not ...
The actual size of the drive bays differ from their name (e.g., 3 1 ⁄ 2" drive bays are actually 4 inches (101.6 mm) wide, because 3 1 ⁄ 2" refers to the historical platter diameter inside the drive). The newer 2 1 ⁄ 2 inch and 1.8 inch drive bays are specified in
Dressed timber is often sold in lengths such as 1.8, 2.4, 3.0, and 3.6 metres, each multiples of 300 mm, approximating foot-length increments, [26] while pipes and conduits may be specified as having diameters of 12, 19, 25, and 32 mm (based on "soft" conversions of 0.5, 0.75, 1, and 1.25 inches).
Transport infrastructure standards were metricated using soft conversions, as part of the general metrication of the engineering industry. The standard railway track gauge, fixed at 4 feet 8 + 1 ⁄ 2 inches (1,435.1 mm) in 1845, [94] was redefined as 1,435 mm [95] – a nominal decrease of 0.1 mm but within the engineering tolerances.
Since all gases have the same volume per mole at a given temperature and pressure far from their points of liquefaction and solidification (see Perfect gas), and air is about 1 / 5 oxygen (molecular mass 32) and 4 / 5 nitrogen (molecular mass 28), the density of any near-perfect gas relative to air can be obtained to a good ...
The use of metric or imperial measurements varies by age and region, with metric dominant among those under the age of 50. Canadians who have received only metric instruction in school (from the early 1970s) are more familiar with metric measurements. Quebec has implemented metrication more fully.
231 cu in [n 1] 3.785 L 0.8327 imp gal Quart qt 1 ⁄ 4 gal 946.4 mL 0.8327 imp qt Pint pt 1 ⁄ 2 qt 473.2 mL 0.8327 imp pt Fluid ounce fl oz 1 ⁄ 16 pt 29.57 mL 1.041 imp fl oz Fluid dram fl dr 1 ⁄ 8 fl oz 3.6967 mL 1.041 imp fl dr Minim 1 ⁄ 60 fl dr 61.61 μL 1.041 imp fl minim