Online calculators to convert milligrams to kilograms (mg to kg) and kilograms to milligrams (kg to mg) with additional formulas, examples, and conversion tables. Our conversions provide a quick and easy way to convert between these units.
Enter your value in one of the conversion calculators below to convert mg to kg or convert kg to mg.
How to convert mg to kg : Use the conversion calculator titled "Convert mg to kg". Enter a value in the mg field and click on the "Calculate kg" button. Your answer will appear in the kg field.
How to convert kg to mg : Use the conversion calculator titled "Convert kg to mg". Enter a value in the kg field and click on the "Calculate mg" button. Your answer will appear in the mg field.
Let's take a closer look at the conversion formulas 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 kg is:
kg = mg x 0.000001
The formula to convert from kg to mg is:
mg = kg x 1,000,000
Next, let's look at some examples showing the work and calculations that are involved in converting between milligrams (mg) and kilograms (kg).
Task: Convert 2,450 milligrams to kilograms (show work) Formula: mg x 0.000001 = kg Calculations: 2,450 mg x 0.000001 = 0.00245 kg Result: 2,450 mg is equal to 0.00245 kg
Task: Convert 12 kilograms to milligrams (show work) Formula: kg x 1,000,000 = mg Calculations: 12 kg x 1,000,000 = 12,000,000 mg Result: 12 kg is equal to 12,000,000 mg
For quick reference purposes, below are conversion tables that you can use to convert from mg to kg, and kg to mg.
|milligrams (mg)||kilograms (kg)|
|1 mg||0.000001 kg|
|5 mg||0.000005 kg|
|10 mg||0.00001 kg|
|25 mg||0.000025 kg|
|50 mg||0.00005 kg|
|75 mg||0.000075 kg|
|100 mg||0.0001 kg|
|250 mg||0.00025 kg|
|500 mg||0.0005 kg|
|750 mg||0.00075 kg|
|1,000 mg||0.001 kg|
|2,500 mg||0.0025 kg|
|5,000 mg||0.005 kg|
|7,500 mg||0.0075 kg|
|10,000 mg||0.01 kg|
|25,000 mg||0.025 kg|
|50,000 mg||0.05 kg|
|75,000 mg||0.075 kg|
|100,000 mg||0.1 kg|
|250,000 mg||0.25 kg|
|kilograms (kg)||milligrams (mg)|
|1 kg||1,000,000 mg|
|2 kg||2,000,000 mg|
|3 kg||3,000,000 mg|
|4 kg||4,000,000 mg|
|5 kg||5,000,000 mg|
|6 kg||6,000,000 mg|
|7 kg||7,000,000 mg|
|8 kg||8,000,000 mg|
|9 kg||9,000,000 mg|
|10 kg||10,000,000 mg|
|20 kg||20,000,000 mg|
|30 kg||30,000,000 mg|
|40 kg||40,000,000 mg|
|50 kg||50,000,000 mg|
|75 kg||75,000,000 mg|
|100 kg||100,000,000 mg|
|250 kg||250,000,000 mg|
|500 kg||500,000,000 mg|
|750 kg||750,000,000 mg|
|1,000 kg||1,000,000,000 mg|
The following is a list of definitions relating to conversions between milligrams and kilograms.
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.
A kilogram is a unit of mass in the Metric System. The symbol for kilogram is kg. There are 1,000 grams in a kilogram.
There are 1,000,000 milligrams in a kilogram.
There are 0.000001 kilograms in a milligram.
This table provides a summary of the Weight/Mass units within their respective measurement systems.
|ounces||oz||US Customary Units/Imperial System|
|pounds||lbs or lb||US Customary Units/Imperial System||1 lb = 16 oz|
|stones||st||Imperial System||1 stone = 14 lbs|
|short tons||T||US Customary Units||1 short ton = 2000 lbs|
|long tons||long tn||Imperial System||1 long ton = 2240 lbs|
|micrograms||mcg or μg||Metric System||1,000,000 mcg = 1 g|
|milligrams||mg||Metric System||1000 mg = 1 g|
|centigrams||cg||Metric System||100 cg = 1 g, 1 cg = 10 mg|
|decigrams||dg||Metric System||10 dg = 1 g, 1 dg = 10 cg|
|grams||g||Metric System||1 g = 1000 mg or 100 cg or 10 dg|
|kilograms||kg||Metric System||1 kg = 1000 g|
|metric tons||t||Metric System||1 metric ton = 1000 kg|