if water,
250 Mg = 250 megagrams (i'm not sure that's what you mean)
250 Mg (megagrams) = 250,000,000 ml
250 mg (milligram) = 0.25 ml
250 ug (micrograms) = 0.00025 ml
Mercury has a density of approximately 13.6 grams per milliliter.
200mls?
17.5
4 * 250 = 1000 mg = 1 g
There are 29.57milliliters in 1 fluid ounce.
1 milliliter equals 0.202 US teaspoons. 1 teaspoon is 4.928 milliliters
0.5
6,400 mL
1000
250,000
1500 ml
29.57 ml