Milligrams to metric tons

metric tons = milligrams × 1e-9

How to convert milligrams to metric tons

One milligram is 1e-9 metric tons, so multiply the number of milligrams by 1e-9. For example, 20 milligrams is 20 × 1e-9 = 2e-8 metric tons. To go back, divide by the same number, or multiply by 1,000,000,000.

Quick estimate

Multiplying by about 1e-9 gets within 0.0% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Mass conversions come up in cooking and baking, shipping and luggage limits, body weight, medicine doses and buying food by weight.

milligrams	metric tons
1 mg	1e-9 t
2 mg	2e-9 t
3 mg	3e-9 t
4 mg	4e-9 t
5 mg	5e-9 t
6 mg	6e-9 t
7 mg	7e-9 t
8 mg	8e-9 t
9 mg	9e-9 t
10 mg	1e-8 t
11 mg	1.1e-8 t
12 mg	1.2e-8 t
13 mg	1.3e-8 t
14 mg	1.4e-8 t
15 mg	1.5e-8 t
16 mg	1.6e-8 t
17 mg	1.7e-8 t
18 mg	1.8e-8 t
19 mg	1.9e-8 t
20 mg	2e-8 t
25 mg	2.5e-8 t
30 mg	3e-8 t
40 mg	4e-8 t
50 mg	5e-8 t
60 mg	6e-8 t
70 mg	7e-8 t
75 mg	7.5e-8 t
80 mg	8e-8 t
90 mg	9e-8 t
100 mg	1e-7 t
120 mg	1.2e-7 t
150 mg	1.5e-7 t
200 mg	2e-7 t
250 mg	2.5e-7 t
300 mg	3e-7 t
400 mg	4e-7 t
500 mg	5e-7 t
750 mg	7.5e-7 t
1,000 mg	0.000001 t
1,500 mg	0.0000015 t
2,000 mg	0.000002 t
5,000 mg	0.000005 t
10,000 mg	0.00001 t

Questions

How many metric tons are in a milligram?

1e-9 metric tons.

How do I convert milligrams to metric tons in a spreadsheet?

Put the value in A1 and type =A1*1e-9, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.