Medical-Grade IU Converter

← All Converters

Vitamin E (Natural d-alpha-tocopherol)

Natural RRR-alpha-tocopherol. More bioavailable than synthetic forms.

Select Form

IU → mgmg → IU

Enter value in IU

Result

0 mg

Conversion factor: 1 IU = 0.67 mg
Source: NIH Office of Dietary Supplements, WHO 2026

Common Dosages

IU	mg
100 IU	67 mg
200 IU	134 mg
400 IU	268 mg
800 IU	536 mg
1,000 IU	670 mg

Click any row to use that value in the calculator

Medical Disclaimer

This tool is for informational purposes only and is not intended as medical advice. Always consult a qualified healthcare provider before making any decisions about medication dosages.

Conversion factors based on NIH Office of Dietary Supplements and WHO 2026 International Standards.