Online calculator to convert grams to micrograms (g to mcg) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Weight or Mass units.
Conversion Calculator
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Convert g to mcg
TIP: If the result of your conversion is 0, try increasing the "Decimals".
Conversion Definitions
The following is a list of definitions relating to conversions between grams and micrograms.
What is a gram (g)?
A gram is a unit of mass in the Metric System. The symbol for gram is g. There are 0.000001 grams in a microgram.
What is a microgram (mcg)?
A microgram is a unit of mass in the Metric System. The symbol for microgram is mcg or μg. There are 1,000,000 micrograms in a gram.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from g to mcg is:
mcg = g x 1,000,000
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from grams to micrograms (g to mcg).
Gram to Microgram Conversion Example
Task: Convert 4.5 grams to micrograms (show work) Formula: g x 1,000,000 = mcg Calculations: 4.5 g x 1,000,000 = 4,500,000 mcg Result: 4.5 g is equal to 4,500,000 mcg
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from g to mcg.
Grams to Micrograms Conversion Chart
| grams (g) | micrograms (mcg) |
|---|---|
| 1 g | 1,000,000 mcg |
| 2 g | 2,000,000 mcg |
| 3 g | 3,000,000 mcg |
| 4 g | 4,000,000 mcg |
| 5 g | 5,000,000 mcg |
| 6 g | 6,000,000 mcg |
| 7 g | 7,000,000 mcg |
| 8 g | 8,000,000 mcg |
| 9 g | 9,000,000 mcg |
| 10 g | 10,000,000 mcg |
| 20 g | 20,000,000 mcg |
| 30 g | 30,000,000 mcg |
| 40 g | 40,000,000 mcg |
| 50 g | 50,000,000 mcg |
| 75 g | 75,000,000 mcg |
| 100 g | 100,000,000 mcg |
| 250 g | 250,000,000 mcg |
| 500 g | 500,000,000 mcg |
| 750 g | 750,000,000 mcg |
| 1,000 g | 1,000,000,000 mcg |
| 2,500 g | 2,500,000,000 mcg |
| 5,000 g | 5,000,000,000 mcg |
| 7,500 g | 7,500,000,000 mcg |
| 10,000 g | 10,000,000,000 mcg |
| 25,000 g | 25,000,000,000 mcg |
| 50,000 g | 50,000,000,000 mcg |
| 75,000 g | 75,000,000,000 mcg |
| 100,000 g | 100,000,000,000 mcg |
| 250,000 g | 250,000,000,000 mcg |
Related Units
This table provides a summary of the Weight or Mass units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| ounces | oz | US Customary Units/Imperial System |
| pounds | lbs or lb | US Customary Units/Imperial System |
| stones | st | Imperial System |
| short tons (US tons) | T | US Customary Units |
| long tons (Imperial tons) | long tn | Imperial System |
| nanograms | ng | Metric System |
| micrograms | mcg or μg | Metric System |
| milligrams | mg | Metric System |
| centigrams | cg | Metric System |
| decigrams | dg | Metric System |
| grams | g | Metric System |
| decagrams | dag or dkg | Metric System |
| hectograms | hg | Metric System |
| kilograms | kg | Metric System |
| metric tons (tonnes) | t | Metric System |
| gigagrams | Gg | Metric System |
| teragrams | Tg | Metric System |
Note: For Weight and Mass conversions, US Customary Units and the Imperial System are equivalent.
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