MCG to MG Converter

Convert micrograms to milligrams for medical dosages and nutritional supplements.

How to Convert Micrograms to Milligrams

Understanding the mcg to mg conversion is critical for medical dosages, supplements, and pharmaceutical measurements.

The Conversion Formula

There are exactly 1,000 micrograms in 1 milligram.

Formula: Milligrams = Micrograms ÷ 1000

Conversion Examples

  • Example 1: 1000 mcg ÷ 1000 = 1 mg
  • Example 2: 500 mcg ÷ 1000 = 0.5 mg

Common Medical Dosages

  • Folic acid: 400 mcg = 0.4 mg
  • Vitamin B12: 1000 mcg = 1 mg
  • Selenium: 55 mcg = 0.055 mg
  • Biotin: 5000 mcg = 5 mg

Frequently Asked Questions

How many mg is 1000 mcg?
1000 micrograms equals exactly 1 milligram.

Safety Note

Warning: Confusing mcg and mg can lead to 1000x dosing errors. Always double-check units for medications.