1 milligram (mg) is equal to 1/1000000 kilograms (kg).
1 mg = (1/1000000) kg = 10-6 kg = 0.000001 kg
The mass m in kilograms (kg) is equal to the mass m in milligrams (mg) divided by 1000000:
m(kg) = m(mg) / 106 = m(mg) / 1000000
Convert 5mg to kilograms:
m(kg) = 5 mg / 1000000 = 0.000005 kg
| Milligrams (mg) | Kilograms (kg) | 
|---|---|
| 0 mg | 0 kg | 
| 1 mg | 0.000001 kg | 
| 2 mg | 0.000002 kg | 
| 3 mg | 0.000003 kg | 
| 4 mg | 0.000004 kg | 
| 5 mg | 0.000005 kg | 
| 6 mg | 0.000006 kg | 
| 7 mg | 0.000007 kg | 
| 8 mg | 0.000008 kg | 
| 9 mg | 0.000009 kg | 
| 10 mg | 0.00001 kg | 
| 20 mg | 0.00002 kg | 
| 30 mg | 0.00003 kg | 
| 40 mg | 0.00004 kg | 
| 50 mg | 0.00005 kg | 
| 60 mg | 0.000060 kg | 
| 70 mg | 0.00007 kg | 
| 80 mg | 0.00008 kg | 
| 90 mg | 0.00009 kg | 
| 100 mg | 0.0001 kg | 
| 1000 mg | 0.001 kg |