Convert US cup to US liquid gill
Unit definitions
US cup
The US cup is equal to $8$ US fluid ounces.
US liquid gill
$4$ US fluid ounces are equal to $1$ US liquid gill.
How to convert US cup to US liquid gill
$$\text{Volume}_{\text{liq.gi}} = \text{Volume}_{\text{cup (us)}} \cdot 2$$
Examples
Example 1
Convert $40.0\ \text{cup (us)}$ to $\text{liq.gi}$.
$$\text{Volume}_{\text{liq.gi}} = 40.0 \cdot 2$$
$$\text{Volume}_{\text{liq.gi}} = 80$$
$$\therefore \ 40.0\ \text{cup (us)} = 80 \ \text{liq.gi}$$
Example 2
Convert $90.0\ \text{cup (us)}$ to $\text{liq.gi}$.
$$\text{Volume}_{\text{liq.gi}} = 90.0 \cdot 2$$
$$\text{Volume}_{\text{liq.gi}} = 180$$
$$\therefore \ 90.0\ \text{cup (us)} = 180 \ \text{liq.gi}$$
Example 3
Convert $105.0\ \text{cup (us)}$ to $\text{liq.gi}$.
$$\text{Volume}_{\text{liq.gi}} = 105.0 \cdot 2$$
$$\text{Volume}_{\text{liq.gi}} = 210$$
$$\therefore \ 105.0\ \text{cup (us)} = 210 \ \text{liq.gi}$$
Example 4
Convert $140.0\ \text{cup (us)}$ to $\text{liq.gi}$.
$$\text{Volume}_{\text{liq.gi}} = 140.0 \cdot 2$$
$$\text{Volume}_{\text{liq.gi}} = 280$$
$$\therefore \ 140.0\ \text{cup (us)} = 280 \ \text{liq.gi}$$
Example 5
Convert $175.0\ \text{cup (us)}$ to $\text{liq.gi}$.
$$\text{Volume}_{\text{liq.gi}} = 175.0 \cdot 2$$
$$\text{Volume}_{\text{liq.gi}} = 350$$
$$\therefore \ 175.0\ \text{cup (us)} = 350 \ \text{liq.gi}$$