How many gm in 1000000 iu?

The conversion between international units (IU) and grams (gm) depends on the substance being measured, as different substances have different conversion factors. For example, 1 IU of vitamin D is approximately 0.025 micrograms (mcg), while 1 IU of insulin is around 0.0347 mg. To convert 1,000,000 IU to grams for a specific substance, you would need to know the specific conversion factor for that substance.