How to convert kilograms to milligrams
To convert kilograms to milligrams, use the formula mg = kg × 1,000,000. In other words, multiply the number of kilograms by 1,000,000 to get the equivalent in milligrams. For example, 5 kg equals 5,000,000 mg.
KG to MG Converter
Convert kilograms to milligrams instantly. 5 kg = 5,000,000 mg.
1 kg = 1,000,000 mg
| KG (kg) | MG (mg) |
|---|---|
| 1 kg | 1,000,000 mg |
| 2 kg | 2,000,000 mg |
| 3 kg | 3,000,000 mg |
| 4 kg | 4,000,000 mg |
| 5 kg | 5,000,000 mg |
| 6 kg | 6,000,000 mg |
| 7 kg | 7,000,000 mg |
| 8 kg | 8,000,000 mg |
| 9 kg | 9,000,000 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 |
| 30 kg | 30,000,000 mg |
| 40 kg | 40,000,000 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 |
| 1,000 kg | 1,000,000,000 mg |
Kilogram and Milligram
The kilogram (kg) and the milligram (mg) are both units of weight. This page gives you an instant, exact conversion between them, a reference table for the most common values, and the underlying formula so you can check the maths yourself. All calculations run in your browser — nothing you type is sent anywhere.
Need to go the other way? Use the MG to KG converter. For all units at once, try the full Weight Converter.
Frequently Asked Questions
How do I convert kilograms to milligrams?
Use the formula mg = kg × 1,000,000. For example, 5 kg equals 5,000,000 mg. Just enter your value in the converter above to get an instant result.
What is 1 kilogram in milligrams?
1 kg = 1,000,000 mg. You can multiply any number of kilograms by this figure to convert it, or use the calculator above for exact results.
How do I convert milligrams back to kilograms?
Use the reverse conversion: 1 mg = 0.000001 kg. Our MG to KG converter does this for you.