Online calculator to convert milligrams to grams (mg to g) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Weight or Mass units.
Conversion Calculator
Enter your value in the conversion calculator below.
Convert mg to g
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 milligrams and grams.
What is a milligram (mg)?
A milligram is a unit of mass in the Metric System. The symbol for milligram is mg. There are 1,000 milligrams in a gram.
What is a gram (g)?
A gram is a unit of mass in the Metric System. The symbol for gram is g. There are 0.001 grams in a milligram.
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 mg to g is:
g = mg ÷ 1,000
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from milligrams to grams (mg to g).
Milligram to Gram Conversion Example
Task: Convert 500 milligrams to grams (show work) Formula: mg ÷ 1,000 = g Calculations: 500 mg ÷ 1,000 = 0.5 g Result: 500 mg is equal to 0.5 g
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from mg to g.
Milligrams to Grams Conversion Chart
| milligrams (mg) | grams (g) |
|---|---|
| 1 mg | 0.001 g |
| 2 mg | 0.002 g |
| 3 mg | 0.003 g |
| 4 mg | 0.004 g |
| 5 mg | 0.005 g |
| 6 mg | 0.006 g |
| 7 mg | 0.007 g |
| 8 mg | 0.008 g |
| 9 mg | 0.009 g |
| 10 mg | 0.01 g |
| 20 mg | 0.02 g |
| 30 mg | 0.03 g |
| 40 mg | 0.04 g |
| 50 mg | 0.05 g |
| 75 mg | 0.075 g |
| 100 mg | 0.1 g |
| 250 mg | 0.25 g |
| 500 mg | 0.5 g |
| 750 mg | 0.75 g |
| 1,000 mg | 1 g |
| 2,500 mg | 2.5 g |
| 5,000 mg | 5 g |
| 7,500 mg | 7.5 g |
| 10,000 mg | 10 g |
| 25,000 mg | 25 g |
| 50,000 mg | 50 g |
| 75,000 mg | 75 g |
| 100,000 mg | 100 g |
| 250,000 mg | 250 g |
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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