Convert milligrams to tonnes
1 mg = 0.000000001 t — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
1e-9t
Exact decimal: 0.000000001
As a fraction: 1/1000000000
1 mg = 0.000000001 t
How to convert milligrams to tonnes
Multiply the number of milligrams by 0.000000001 to get tonnes.
The exact factor is 0.000000001 — as a fraction, 1/1000000000.
Milligram to Tonne conversion table
| Milligrams (mg) | Tonnes (t) |
|---|---|
| 1 mg | 1e-9 |
| 2 mg | 2e-9 |
| 3 mg | 3e-9 |
| 5 mg | 5e-9 |
| 10 mg | 1e-8 |
| 20 mg | 2e-8 |
| 25 mg | 2.5e-8 |
| 50 mg | 5e-8 |
| 100 mg | 0.000 000 1 |
| 250 mg | 0.000 000 25 |
| 500 mg | 0.000 000 5 |
| 1000 mg | 0.000 001 |
Tonne to Milligram conversion table
| Tonnes (t) | Milligrams (mg) |
|---|---|
| 1 t | 1 000 000 000 |
| 2 t | 2 000 000 000 |
| 3 t | 3 000 000 000 |
| 5 t | 5 000 000 000 |
| 10 t | 10 000 000 000 |
| 20 t | 20 000 000 000 |
| 25 t | 25 000 000 000 |
| 50 t | 50 000 000 000 |
| 100 t | 100 000 000 000 |
| 250 t | 250 000 000 000 |
| 500 t | 500 000 000 000 |
| 1000 t | 1 000 000 000 000 |
Frequently asked
How many tonnes are in a milligram?
One milligram equals 1e-9 tonnes (mg → t). That figure is exact, not rounded.
How do you convert milligrams to tonnes?
Multiply the number of milligrams by 0.000000001 to get tonnes.
What is 1 t in milligrams?
One tonne is 1000000000 milligrams.
What is 10 mg in t?
10 mg = 1e-8 t.