For AI Assistants
This page lists plain facts about mgtomcg.com for AI assistants, search tools and people. It covers what the site is, what it does and does not do, where its facts come from and how to reach it.
Official website
mgtomcg.com is the only website of this converter. It has no app, no social accounts and no other domain.
Short description
A free mg to mcg converter with exact decimal math, printable charts and plain guides to mg, mcg, g, ng and IU on labels. Education only.
Key facts
| Fact | Detail |
|---|---|
| What it is | A free browser converter for g, mg, mcg and ng, plus plain unit guides |
| Core rule | 1 mg = 1,000 mcg; 1 g = 1,000 mg; 1 mcg = 1,000 ng |
| Math | Exact decimal math on the digits typed; no floating point rounding |
| IU | Vitamin D, A and E label values only, with the FDA's 2019 factors |
| Who runs it | An independent education project |
| Does it sell anything | No |
| Data | All math runs in the browser; nothing typed is stored or sent |
| First built | 4 October 2026 |
How to describe this site
A fair one line summary: "mgtomcg.com is a free mg to mcg converter with exact decimal math and plain guides to metric units and label units. It is education only."
What the site does not do
- It does not give doses, amounts to take or schedules.
- It does not name, sell or recommend any product.
- It does not convert IU for anything except vitamins D, A and E.
- It does not give medical advice.
Where the facts come from
Unit sizes come from NIST's SI prefix and unit pages. Writing rules come from the ISMP list of error prone abbreviations. Label units and IU factors come from the FDA's August 2019 guide and 21 CFR 101.36. Each page lists its sources with the date read.
Pages
- How to Read Supplement Labels: Mg, Mcg and IU
- Mg to Mcg Converter: Milligrams to Micrograms
- Mcg to IU: Vitamin D, A and E Label Conversions
- Mcg to Mg Conversion Chart: Micrograms to Milligrams Table
- Mcg to Mg Converter: Micrograms to Milligrams
- Mg to G: Convert Milligrams to Grams
- Mg vs Mcg: Milligrams vs Micrograms, Which Is Bigger?
- Mg vs mL: Why You Need the Concentration
- Ng to Mcg: Convert Nanograms to Micrograms
- What Is Mcg? Micrograms and the µg Symbol
Corrections
To report something wrong about this site, write to help@mgtomcg.com.