Convert Foot to Em
Unit definitions
Foot
A foot is a unit of length equal to $0.304\,8$ meters. One foot is equal to $12$ inches.
Em
An em is a unit of typography equal to the point size of the font, commonly $12$ points or $\frac{1}{6}$ of an inch.
How to convert Foot to Em
$$\text{Length}_{\text{em}} = \text{Length}_{\text{ft}} \cdot 72$$
Examples
Example 1
Convert $35.0\ \text{ft}$ to $\text{em}$.
$$\text{Length}_{\text{em}} = 35.0 \cdot 72$$
$$\text{Length}_{\text{em}} = 2520$$
$$\therefore \ 35.0\ \text{ft} = 2520 \ \text{em}$$
Example 2
Convert $90.0\ \text{ft}$ to $\text{em}$.
$$\text{Length}_{\text{em}} = 90.0 \cdot 72$$
$$\text{Length}_{\text{em}} = 6480$$
$$\therefore \ 90.0\ \text{ft} = 6480 \ \text{em}$$
Example 3
Convert $100.0\ \text{ft}$ to $\text{em}$.
$$\text{Length}_{\text{em}} = 100.0 \cdot 72$$
$$\text{Length}_{\text{em}} = 7200$$
$$\therefore \ 100.0\ \text{ft} = 7200 \ \text{em}$$
Example 4
Convert $145.0\ \text{ft}$ to $\text{em}$.
$$\text{Length}_{\text{em}} = 145.0 \cdot 72$$
$$\text{Length}_{\text{em}} = 10440$$
$$\therefore \ 145.0\ \text{ft} = 10440 \ \text{em}$$
Example 5
Convert $185.0\ \text{ft}$ to $\text{em}$.
$$\text{Length}_{\text{em}} = 185.0 \cdot 72$$
$$\text{Length}_{\text{em}} = 13320$$
$$\therefore \ 185.0\ \text{ft} = 13320 \ \text{em}$$