Convert kilogram to milligram
1 kg = 1,000,000 mg
1 kg = 1,000,000 mg
1 kg in every mass unit
| microgram | 1,000,000,000 μg |
| milligram | 1,000,000 mg |
| gram | 1,000 g |
| kilogram | 1 kg |
| metric tonne | 0.001 t |
| ounce | 35.3 oz |
| pound | 2.2 lb |
| stone | 0.157 st |
| US short ton | 0.0011 ton |
| grain | 15,400 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 kg | 1,000,000 mg |
| 2 kg | 2,000,000 mg |
| 3 kg | 3,000,000 mg |
| 5 kg | 5,000,000 mg |
| 10 kg | 10,000,000 mg |
| 15 kg | 15,000,000 mg |
| 20 kg | 20,000,000 mg |
| 25 kg | 25,000,000 mg |
| 50 kg | 50,000,000 mg |
| 75 kg | 75,000,000 mg |
| 100 kg | 100,000,000 mg |
| 250 kg | 250,000,000 mg |
| 500 kg | 500,000,000 mg |
| 1000 kg | 1,000,000,000 mg |