Convert kilogram to milligram

1 kg = 1,000,000 mg

1 kg = 1,000,000 mg
1 kg in every mass unit
microgram1,000,000,000 μg
milligram1,000,000 mg
gram1,000 g
kilogram1 kg
metric tonne0.001 t
ounce35.3 oz
pound2.2 lb
stone0.157 st
US short ton0.0011 ton
grain15,400 gr
unified atomic mass unit (dalton)6.02e+26 u
How the conversion works

Multiply by 1,000,000 to go from kilogram to milligram, or divide by it to go back. Every conversion on this site routes through the SI value (kg) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.

Going the other way? milligram to kilogram — 1 mg = 0.000001 kg.

kilogram to milligram — common values
1 kg1,000,000 mg
2 kg2,000,000 mg
3 kg3,000,000 mg
5 kg5,000,000 mg
10 kg10,000,000 mg
15 kg15,000,000 mg
20 kg20,000,000 mg
25 kg25,000,000 mg
50 kg50,000,000 mg
75 kg75,000,000 mg
100 kg100,000,000 mg
250 kg250,000,000 mg
500 kg500,000,000 mg
1000 kg1,000,000,000 mg