56ml
There are approximately 1.89 ounces in 56 milliliters.
Since the density (mass divided by volume) of water is about 1.0 g/mL the volume of 6.5 gram is6.5(g) / 1.0(g/mL) = 6.5 mL
This cannot be sensibly answered. Milliliters is a measure of volume and the other is a measure of weight or mass.