About mcg to IU Converter
Convert between micrograms (mcg) and International Units (IU) for various vitamins, hormones, and medications. This calculator helps healthcare providers and patients understand dosage equivalencies and ensure accurate medication administration.
Conversion Guidelines
- Vitamin D: 1 mcg = 40 IU
- Vitamin A: 1 mcg = 3.33 IU
- Vitamin E: 1 mg = 1.49 IU
- Insulin: 1 IU = 0.0347 mg
- Heparin: Varies by preparation
- Accuracy: Verify with manufacturer data