|SI||0.001 m 3|
(sometimes also: ) litre is a unit for the volume and by the unit symbol „l “or „L “is symbolized. „L “became as unit symbol for the litreimported to avoid around mistakes with the number 1 and is rather in the English and French linguistic area common. The regulation of the sexes (articles of the names of units) also DIN took care of and in DIN 1301, part 1, specified that thatName of the unit litre is neutral; current expenditure DIN 1301-1 from October 2002, there section 8,1
as legal unit may be used it beside the SI-UNIT of the volume, the cubic meter (m 3). A litre corresponds to a Kubikdezimeter (DM 3) and/or. a thousandth of cubic meter (1 l = 0.001 m 3). A cube with an edge length of 10 cm = 1 DM has therefore a volume of a litre.
Decimal parts and multiple litres are with their partialbecame outdated designations among other things:
- Micro litre (µl = mm of 3 = „λ “),
- Milliliter (ml = cm 3 = „ccm “= „CC “),
- Zentiliter (cl),
- Deziliter (DL),
- Dekaliter (dal) and
- Hektoliter (hl).
Kilo litre (kl = m 3) or megalitre (Ml= dam 3) is uncommon, instead in these orders of magnitude on cubic meters one counts.
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- 1 Hektoliter = 100 litres
- 1 Deziliter = 100 ml
- 1 Zentiliter = 10 ml
1901 became that litres on thatthird CGPM redefines to that volume, which has 1 kg pure water at the temperature of its highest density under normal print ( 1013.25 hPa). Litre was thereby about 1.000028 DM 3 largely (1.000027 DM 3 for the conversion were originalindicated). Due to the new task for this unit to couple mass and volume over a natural constant of the water pure water under these conditions weighed still 999.975 kg/m 3, but now exactly 1.0000 kg/l.
Later one put thoseDefinition on the water temperature of 4 °C firmly, which is not the temperature the highest waterproof one (actually about 3,98 °C). Thus pure water weighed again slightly less than 1.0000 kg/l.
1979 became on the 16. CGPM for litres the alternative symbol L (capital letter L) certified, at the same time became the desireexpressed to keep in the future only one of the two symbols (small letter or capital letter). Last 1990 could be only stated that it would be still too early for a decision.
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|Wiktionary: Litre - word origin, synonyms and translations|