Convert mg to kg
Milligrams to kilograms. Enter a value to convert, or use the mg to kg chart further down the page.
1 milligram equals 0.000001 kilograms. Going the other way, 1 kilogram = 1,000,000 milligrams.
How to convert mg to kg
To convert milligrams to kilograms, multiply the milligram value by 0.000001. You can also divide by 1000000 to get the same answer.
kg = mg × 0.000001
Worked example
Convert 15 mg to kilograms:
15 mg = 0.000015 kg
mg to kg conversion chart
Use this mg to kg table for quick reference without typing anything.
| milligrams (mg) | kilograms (kg) |
|---|---|
| 0.01 mg | 1e-8 kg |
| 0.1 mg | 0.0000001 kg |
| 1 mg | 0.000001 kg |
| 2 mg | 0.000002 kg |
| 3 mg | 0.000003 kg |
| 5 mg | 0.000005 kg |
| 10 mg | 0.00001 kg |
| 20 mg | 0.00002 kg |
| 50 mg | 0.00005 kg |
| 100 mg | 0.0001 kg |
| 1,000 mg | 0.001 kg |
What is a milligram?
The milligram is one thousandth of a gram and is the standard unit for stating medicine dosages and micronutrient content.
What is a kilogram?
The kilogram is the SI base unit of mass. Since 2019 it has been defined by fixing the Planck constant, replacing the platinum-iridium cylinder held near Paris.
Frequently asked questions
How many kg are in a milligram?
1 mg equals 0.000001 kg. Going the other way, 1 kg is 1,000,000 mg.
How do you convert mg to kg?
To convert milligrams to kilograms, multiply the milligram value by 0.000001. You can also divide by 1000000 to get the same answer.
What is 10 mg in kg?
10 mg equals 0.00001 kg. The conversion chart on this page lists the other values people look up most often.
Related weight conversions
Convert mg to other units
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