The question, as stated, cannot be answered sensibly. A millilitre is a measure of volume, with dimensions [L3]. A gram is a measure of mass, with dimensions [M]. The two measure different things and basic dimensional analysis teaches that you cannot convert between measures with different dimensions such as these without additional information.
As a simple mental exercise consider a millilitre of air and a millilitre of water. They will have very different masses.
.005g
There are 1000 milligrams in a gram. If you meant 005g i.e. 5g, then this is 5000mg. if you meant .005g, this is 5mg.
.005g
4500 milliliters
5.9 milliliters is equal to 5.9 milliliters.
58.12 centiliters equal 581.2 milliliters.
1,000 milliliters are equal to 4.227 US cups.
0.0125 liters is equal to 12.5 milliliters.
350 milliliters is equal to 0.35 liters.
6 liters is equal to 6000 milliliters.
207.014707 milliliters
One deciliter is equal to 100 milliliters.