Milligrams to Kilograms Converter
Convert milligrams (mg) to kilograms (kg), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter a weight, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 mg = 1e-6 kg
- 1 × 1e-6 = 1e-6 kg
How to convert milligrams to kilograms
1 mg = 1 × 10⁻⁶ kg, so multiply by 1 to go from milligrams to kilograms. Going the other way, 1 kg = 1,000,000 mg.
kg = mg × 1 mg = kg × 1,000,000
Worked example:
1 mg = 1e-6 kg 5 × 1e-6 = 5e-6 kg
Milligrams to kilograms table
| Milligrams | Kilograms |
|---|---|
| 1 mg | 1 × 10⁻⁶ kg |
| 2 mg | 2 × 10⁻⁶ kg |
| 3 mg | 3 × 10⁻⁶ kg |
| 4 mg | 4 × 10⁻⁶ kg |
| 5 mg | 5 × 10⁻⁶ kg |
| 6 mg | 6 × 10⁻⁶ kg |
| 7 mg | 7 × 10⁻⁶ kg |
| 8 mg | 8 × 10⁻⁶ kg |
| 9 mg | 9 × 10⁻⁶ kg |
| 10 mg | 1 × 10⁻⁵ kg |
| 15 mg | 1.5 × 10⁻⁵ kg |
| 20 mg | 2 × 10⁻⁵ kg |
| 25 mg | 2.5 × 10⁻⁵ kg |
| 30 mg | 3 × 10⁻⁵ kg |
| 40 mg | 4 × 10⁻⁵ kg |
| 50 mg | 5 × 10⁻⁵ kg |
| 75 mg | 7.5 × 10⁻⁵ kg |
| 100 mg | 0.0001 kg |
| 250 mg | 0.00025 kg |
| 500 mg | 0.0005 kg |
| 1000 mg | 0.001 kg |
About the units
- Milligrams (mg)
- Milligrams, a metric unit. Definition: BIPM SI Brochure.
- Kilograms (kg)
- Kilograms, a metric unit. Definition: BIPM SI Brochure.
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