Can you convert “55mg” into “g”?
Yes, using the conversion formula \[1\ mg\ \ =\ \ \frac{1}{1000}\times 1\ g\]
, “55mg” can be converted to corresponding “g” in the following way.
\begin{aligned}
1 m g & =\frac{1}{1000} \times(1 g) \\
\therefore 55 m g & =55 \times(1 m g) \\
& =55 \times \frac{1}{1000} \times(1 \mathrm{~g}) \\
& =0.055 \mathrm{~g}
\end{aligned}
So, there are “0.055g” in “55mg”.