1 L = 1 000 mL and 15 mL = 0,015 L
15 liter = 15,000 milliliter
1.29 L
ml=mili liter mili=1000 1000 ml = 1 l 15000 ml = 15 l this is, of course, assuming you mean "liter", and not kittens.
9,000 mL = 9 L
1.25 L = 1250 mL
4 mL = 0.004 L
350 L = 350,000 mL
5.03 L = 5,030 ml
398 mL = 0.398 L
26.78 mL = 0.02678 L
102 L = 102,000 mL