Kilograms to Milligrams
Convert kilograms (kg) to milligrams (mg). Type in either box; the other updates as you go.
How to convert kilograms to milligrams
To convert kilograms to milligrams, multiply the number of kilograms by 1,000,000.
Example
Convert 5 kilograms to milligrams:
Kilogram to milligram conversion chart
| 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 |
| 12 kg | 12,000,000 mg |
| 15 kg | 15,000,000 mg |
| 20 kg | 20,000,000 mg |
| 25 kg | 25,000,000 mg |
| 30 kg | 30,000,000 mg |
| 40 kg | 40,000,000 mg |
| 50 kg | 50,000,000 mg |
| 60 kg | 60,000,000 mg |
| 70 kg | 70,000,000 mg |
| 75 kg | 75,000,000 mg |
| 80 kg | 80,000,000 mg |
| 90 kg | 90,000,000 mg |
| 100 kg | 100,000,000 mg |
| 150 kg | 150,000,000 mg |
| 200 kg | 200,000,000 mg |
| 250 kg | 250,000,000 mg |
| 500 kg | 500,000,000 mg |
| 1,000 kg | 1,000,000,000 mg |
Going the other way? See the milligrams to kilograms chart.
About the units
Kilogram (kg)
The kilogram is the SI base unit of mass, defined since 2019 by a fixed value of the Planck constant.
Milligram (mg)
A milligram is one thousandth of a gram. Medicine doses and nutrition labels use milligrams.
Frequently asked questions
How many milligrams are in a kilogram?
There are 1,000,000 milligrams in a kilogram.
How many kilograms are in a milligram?
There are 0.000001 kilograms in a milligram.
How do you convert kilograms to milligrams?
To convert kilograms to milligrams, multiply the number of kilograms by 1,000,000.
What is 5 kilograms in milligrams?
5 kilograms equals 5,000,000 milligrams.
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