Mili means 1000 so 1000ml=1 L (ml=milileter, L=liter) conversion factor 1L/1000ml=1 and 1000ml/1L=1 convert 2 and 1/4 L to ml 2 and 1/4L try to convert with second conversion thing (1000ml/1L=1) 2 and 1/4L times 1000ml/1L=2000 and 1000/4 ml=2000 and 250 ml=2250 ml
