Weight and Mass conversion

Convert Milligram to Kilogram

1 milligram (mg) equals 0.000001 kilogram (kg). Enter any value below to convert from mg to kg.

Enter a value and choose units. Results update instantly.

1 mg = 0.000001 kg

All Mass units

From 1 mg
UnitValue
Kilogram kg 0.000001
Gram g 0.001
Milligram mg 1
Metric ton t 0.000000001
Pound lb 0.0000022046
Ounce oz 0.000035274
Stone st 0.0000001575
US short ton short ton 0.0000000011
Imperial long ton long ton 0.000000001
Carat ct 0.005
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Formula

mg to kg conversion formula

Use this relationship for a direct conversion:

kg = mg x 0.000001

Worked example

2 mg = 0.000002 kg.

International avoirdupois and metric mass definitions are exact; displayed results are rounded only for readability.

Quick reference

Milligram to Kilogram table

Milligram (mg)Kilogram (kg)
0.010.00000001
0.10.0000001
10.000001
20.000002
50.000005
100.00001
250.000025
500.00005
1000.0001
1,0000.001

From unit

About the milligram

One millionth of a kilogram.

Symbol: mg

To unit

About the kilogram

The SI base unit of mass.

Symbol: kg

Keep converting

Related conversions

Kilogram to MilligramReverse this conversion Milligram to Grammg to gMilligram to Metric tonmg to tMilligram to Poundmg to lbMilligram to Ouncemg to ozMilligram to Stonemg to stMilligram to US short tonmg to short ton

Source

Conversion standard

Definitions are checked against NIST SP 811: Units outside the SI. Calculations use full internal precision before display rounding.

View the complete weight and mass converter

Questions

mg to kg FAQ

How do you convert milligram to kilogram?

Use the formula kg = mg x 0.000001. 1 milligram (mg) equals 0.000001 kilogram (kg).

Is the mg to kg conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.