The litre (British English spelling) or liter (American English

Originally, the only symbol for the litre was l (lowercase letter L), following the SI convention that only those unit symbols that abbreviate the name of a person start with a capital letter.

SI Units

The symbol for the liter is uppercase letter “ell” (L) is preferred to avoid the risk of confusion between the lowercase letter “ell” (l) and the number

Litre

The litre (international spelling) or liter (American spelling) (symbol: l or L) is one of the metric units of volume. It is not a basic SI unit, but it is a supplementary unit.

liter (litre)

In the United States and a few other countries, the symbol for liter is “L”, to avoid confusion with the numeral “1.”² Existence of two symbols was reluctantly sanctioned by the 16ᵗʰ CGPM in 1979

What is a liter?

Officially the word "liter" is defined as a unit of measure that equals to exactly one cubic decimeter (dm 3). In the SI system (International Sytem of Units) all multiples are integer powers of 10 - see chart

Liter (L) Unit Definition

A cubic decimeter (or liter) occupies a volume of 10 cm × 10 cm × 10 cm and is therefore equal to one thousandth of a cubic meter. The liter is represented by the symbols L, l, and ℓ.

litre

Noun litre (plural litres) The metric unit of fluid measure, equal to one cubic decimetre. Symbol: L, l, or ℓ.

Liter L)

The liter (L) is a metric unit of volume equal to 1 cubic decimeter or 1,000 cubic centimeters. Used globally for measuring liquids like beverages, fuel, and cooking ingredients.

Liters explained

Symbol The symbol for the liter is L or l. In some cases, the script ℓ is also used to avoid confusion with the number "1."