The question, as stated, cannot be answered sensibly. A litre is a measure of volume, with dimensions [L3]. A gram is a measure of mass, with dimensions [M]. The two measure different things and elementary 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 litre of air and of water. They will have very different masses.
That is 4.409 cups
A thousand times as many grams as there are kilograms.
190 milligrams is equal to 0.19 grams.
28.34 grams equal an ounce.
5.25 kg is equal to 5250 grams.
The abbreviation g stands for grams, therefore it is equal to 12345 grams.
700.19 grams is equal to 1.543 pounds.
1 kilogram is equal to 1000 grams.
2.5 grams is equal to 2.5 grams.
That is 45.359 grams
2.3 grams
That is 1.002 grams