IU to mcg Calculator

The IU (International Units) to mcg (micrograms) conversion varies depending on the vitamin. This calculator allows users to convert IU to mcg for Vitamin A, Vitamin D, and Vitamin E based on standard conversion factors.

Conversion Factors

• Vitamin A: 1 IU = 0.3 mcg
• Vitamin D: 1 IU = 0.025 mcg
• Vitamin E: 1 IU = 0.67 mcg

Example Calculation

For Vitamin D, if you have 400 IU:
\[ 400 \times 0.025 = 10 \text{ mcg} \]

This tool is useful for anyone needing to convert vitamin dosages between IU and mcg, which is often required when understanding supplement labels or nutritional guidelines.