The abbreviation for centimeter is cm. The abbreviation for meter is m. The abbreviation for inches is in. The abbreviation for liter is L.
I went to the store for a l. of milk.
deciliter (1/10 of a liter).
1) "L" is the symbol for liter, not abbreviation 2) the use of capital has suggested from National Institute of Standards and Technology because "l" looks like number 1
mcmol or mcmol/L for micromole per liter
The L is capitalized because it is the proper form of the abbreviation for LITER. Primary units in the metric system are capitalized... such as M for Meter, L for Liter. It also helps avoid confusion with "I" [as in ignorant] when some fonts such as arial make it difficult to tell what's what.
None at all. Kilo is the usual abbreviation for kilogram, a unit of mass. A liter is a unit of volume.