Convert kilograms to milligrams
1 kg = 1,000,000 mg. Change the amount below, or read the formula and the reference table further down.
1 kilogram equals
milligrams
1 kg = 1,000,000 mg
The formula
Kilograms and milligrams both measure weight & mass from the same zero, so a single multiplier does the job.
mg = kg × 1,000,000
Going the other way? Convert milligrams to kilograms.
Kilograms to milligrams table
Common values, rounded for reading.
| Kilograms (kg) | Milligrams (mg) |
|---|---|
| 1 | 1,000,000 |
| 2 | 2,000,000 |
| 3 | 3,000,000 |
| 4 | 4,000,000 |
| 5 | 5,000,000 |
| 6 | 6,000,000 |
| 7 | 7,000,000 |
| 8 | 8,000,000 |
| 9 | 9,000,000 |
| 10 | 10,000,000 |
| 15 | 15,000,000 |
| 20 | 20,000,000 |
| 25 | 25,000,000 |
| 30 | 30,000,000 |
| 40 | 40,000,000 |
| 50 | 50,000,000 |
| 75 | 75,000,000 |
| 100 | 100,000,000 |
| 250 | 250,000,000 |
| 500 | 500,000,000 |
| 1,000 | 1,000,000,000 |
Questions people ask
- How many milligrams are in a kilogram?
- One kilogram equals 1,000,000 milligrams.
- How do I convert kilograms to milligrams by hand?
- Multiply the number of kilograms by 1,000,000. For a rough check, 1,000,000 is close enough for most everyday use.
- What is 1 kilogram in milligrams?
- 1 kilogram is 1,000,000 milligrams.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.