It depends on what you are trying to measure. Water has a density of 1, so 800 grams of water is 800 milliliters. But for other substances you need to know the density to convert the two measurements.
4500 milliliters
5.9 milliliters is equal to 5.9 milliliters.
58.12 centiliters equal 581.2 milliliters.
6 liters is equal to 6000 milliliters.
0.0125 liters is equal to 12.5 milliliters.
1,000 milliliters are equal to 4.227 US cups.
350 milliliters is equal to 0.35 liters.
207.014707 milliliters
One deciliter is equal to 100 milliliters.
1 liter is equal to 1000 milliliters. Therefore 30 milliliters is equal to 0.03 liters.
1 liter is equal to 1000 milliliters. Therefore, 79 liters is equal to 79,000 milliliters.
2 cups is equal to approximately 473 milliliters.