MCG to IU Converter

About This Tool

This converter translates inputs in micrograms (mcg) to international units (IU) for selected nutrients. It supports substances such as Vitamin D, Vitamin A, beta-carotene, and Vitamin E, enabling quick alignment of dosing data with IU based labeling. Conceptually, a substance specific factor maps mcg to IU, and the tool applies IU = mcg × factor to generate the result. It benefits nutrition researchers, clinicians, dietitians, and product developers who require consistent IU representations for comparison and compliance. Core value lies in reducing manual lookups and transcription errors during labeling, product formulation, and dietary assessments. The tool offers transparent disclosure of the factor used and supports optional rounding to suit reporting standards. It is designed for batch entry in form-multi-field mode and provides audit friendly outputs that include inputs, computed IU, and the used factor. Use cases include fortification planning, clinical interpretation of supplement dosages, and cross product comparisons across brands.

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