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Convert mg to kg, kg to mg

Convert mg to kg

mg
kg

Convert kg to mg

kg
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.

Conversion Formulas

Both milligram (mg) and kilogram (kg) are units of mass in the Metric System. So when you convert between these units, you are performing a conversion between two units within the Metric System.

Let's take a closer look at the conversion formulas so that you can do these conversions yourself either 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

Conversion Examples

Next, let's look at some examples showing the work and calculations that are involved in converting between milligrams (mg) and kilograms (kg).

Milligram to Kilogram Conversion Example

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

Kilogram to Milligram Conversion Example

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

Conversion Tables

For quick reference purposes, below are conversion tables that you can use to convert from mg to kg, and kg to mg.

Milligrams to Kilograms Conversion Chart

milligrams (mg) kilograms (kg)
1 mg 0.000001 kg
2 mg 0.000002 kg
3 mg 0.000003 kg
4 mg 0.000004 kg
5 mg 0.000005 kg
10 mg 0.00001 kg
50 mg 0.00005 kg
75 mg 0.000075 kg
100 mg 0.0001 kg
1,000 mg 0.001 kg
10,000 mg 0.01 kg
100,000 mg 0.1 kg
1,000,000 mg 1 kg
10,000,000 mg 10 kg

Kilograms to Milligrams Conversion Chart

kilograms (kg) milligrams (mg)
0.000001 kg 1 mg
0.00001 kg 10 mg
0.0001 kg 100 mg
0.001 kg 1,000 mg
0.01 kg 10,000 mg
0.1 kg 100,000 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
10 kg 10,000,000 mg
20 kg 20,000,000 mg
30 kg 30,000,000 mg

Conversion Definitions

The following is a list of definitions relating to conversions between milligrams and kilograms.

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 kilogram (kg)?

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.

How many milligrams in a kilogram?

There are 1,000,000 milligrams in a kilogram.

How many kilograms in a milligram?

There are 0.000001 kilograms in a milligram.

Understanding the Weight/Mass Units

This table provides a summary of the Weight/Mass units within their respective measurement systems.

Unit Symbol Measurement System Description
ounces oz US Customary Units (and Imperial)  
pounds lbs or lb US Customary Units (and Imperial) 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