Because 'L' is the first letter of the word "liter" when properly spelled.
Therefor, when you see the letter 'L', it reminds you of the word 'liter',
much more than it reminds you of the words 'gallon', 'meter', or 'week'.
k = kilo = thousand 2340 L (whatever they are - liters is abbreviated l [small L])
Litres (or Liters) can be expressed as "Ltr" (UK) or just "L"
L is the abbreviation for Liters.
molarity abbreviated M
2 L = 2 L
l
10 liters and 700 ml is 10.7 L
.053 L
3.5 L
5.25 liters -Patai
60 L is 60% of 100 L.
0.153 L