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The litre (Commonwealth spelling) or liter (American spelling) (SI symbols L and l, [1] other symbol used: ℓ) is a metric unit of volume. It is equal to 1 cubic decimetre (dm 3 ), 1000 cubic centimetres (cm 3 ) or 0.001 cubic metres (m 3 ).
The prefix symbols are always prepended to the symbol for the unit without any intervening space or punctuation. [9] This distinguishes a prefixed unit symbol from the product of unit symbols, for which a space or mid-height dot as separator is required. So, for instance, while 'ms' means millisecond, 'm s' or 'm·s' means metre-second.
This template produces the standardized symbol for the metric unit litre, using the scripted version of the Unicode character ℓ for it.In many fonts, this is more readable than the default rendering of the small letter "l", which can be easily confused with "1" (one) or "|" (pipe).
The original is a unit of energy, equal to the energy in one mole (1 mol) of photons. The second is a unit of amount of photons, equal to one mole (1 mol) of photons. The rayleigh (R) is a unit of photon flux rate density equal to 10 10 m −2 ⋅s −1 (10 4 mm −2 ⋅s −1).
Volume Unit of measure cubic metre litre Reference size Usage 1 cubic metre = 1 = 1000: base unit in SI : 1 barrel = 0.158 987 294 928 = 158.987294928 = 42 US gallons = 9,702 cubic inches
At retail stores, the litre (spelled 'liter' in the U.S.) is a commonly used unit for volume, especially on bottles of beverages, and milligrams, rather than grains, are used for medications. Some other non-SI units are still in international use, such as nautical miles and knots in aviation and shipping, and feet for aircraft altitude.
an old unit for measuring firewood equivalent to one cubic metre 1.0 stere (35 cu ft) Imperial & US customary: cubic mile: cumi (mi3) cu mi 1.0 cu mi (4.2 km 3) acre-foot: acre ft (acre feet, acre foot) acre⋅ft used for large-scale water resources long code "acre foot" outputs acre foot (and never feet) 1.0 acre⋅ft (1,200 m 3) cubic yard ...
US English uses the spelling deka-, meter, and liter, and International English uses deca-, metre, and litre. The name of the unit whose symbol is t and which is defined according to 1 t = 10 3 kg is 'metric ton' in US English and 'tonne' in International English. [4]: iii