Tag: Iu to ml conversion

The conversion of IU to mL is not universal and depends on the substance, as the International Unit (IU) measures biological activity rather than volume. Therefore, there is no single answer to how many mL is 800 IU. The volume for 800 IU of insulin will be different from that of 800 IU of a vitamin, making this distinction critical for proper dosage and administration.

International units (IU) measure biological activity, while milliliters (mL) measure volume. The common misconception that 400 IU is equal to 1 mL arises from the labeling of certain liquid vitamin D supplements, but this is specific to that product's concentration, not a universal rule. Confusion between these two distinct units can lead to serious dosing errors, especially with sensitive medications or supplements.

According to Health Canada, some liquid vitamin D supplements may contain a specific amount of International Units (IU) in 1 mL, while others may deliver the same amount in just a single drop. Knowing the concentration is crucial because the amount of vitamin D in 1 mL can vary dramatically by brand and product formulation.