Convert Nanogram to Milligram
Unit definitions
Nanogram
$\frac{1}{10^{9}}$ of a gram is a nanogram.
Milligram
$\frac{1}{10^{6}}$ of a kilogram is a milligram.
How to convert Nanogram to Milligram
$$\text{Mass}_{\text{mg}} = \frac{\text{Mass}_{\text{ng}}}{1000000}$$
Examples
Example 1
Convert $45.0\ \text{ng}$ to $\text{mg}$.
$$\text{Mass}_{\text{mg}} = \frac{45.0}{1000000}$$
$$\text{Mass}_{\text{mg}} = 0.000045$$
$$\therefore \ 45.0\ \text{ng} = 0.000045 \ \text{mg}$$
Example 2
Convert $75.0\ \text{ng}$ to $\text{mg}$.
$$\text{Mass}_{\text{mg}} = \frac{75.0}{1000000}$$
$$\text{Mass}_{\text{mg}} = 0.000075$$
$$\therefore \ 75.0\ \text{ng} = 0.000075 \ \text{mg}$$
Example 3
Convert $105.0\ \text{ng}$ to $\text{mg}$.
$$\text{Mass}_{\text{mg}} = \frac{105.0}{1000000}$$
$$\text{Mass}_{\text{mg}} = 0.000105$$
$$\therefore \ 105.0\ \text{ng} = 0.000105 \ \text{mg}$$
Example 4
Convert $140.0\ \text{ng}$ to $\text{mg}$.
$$\text{Mass}_{\text{mg}} = \frac{140.0}{1000000}$$
$$\text{Mass}_{\text{mg}} = 0.00014$$
$$\therefore \ 140.0\ \text{ng} = 0.00014 \ \text{mg}$$
Example 5
Convert $175.0\ \text{ng}$ to $\text{mg}$.
$$\text{Mass}_{\text{mg}} = \frac{175.0}{1000000}$$
$$\text{Mass}_{\text{mg}} = 0.000175$$
$$\therefore \ 175.0\ \text{ng} = 0.000175 \ \text{mg}$$