Convert US tablespoon to UK gallon
Unit definitions
US tablespoon
$3$ US teaspoons are equal to $1$ US tablespoon.
UK gallon
The UK gallon is a unit of volume equal to exactly $4.546\,09$ liters.
How to convert US tablespoon to UK gallon
$$\text{Volume}_{\text{gal (uk)}} = \text{Volume}_{\text{tbsp (us)}} \cdot 0.003252633537831411168718613137883324$$
Examples
Example 1
Convert $25.0\ \text{tbsp (us)}$ to $\text{gal (uk)}$.
$$\text{Volume}_{\text{gal (uk)}} = 25.0 \cdot 0.003252633537831411168718613137883324$$
$$\text{Volume}_{\text{gal (uk)}} = 0.081316$$
$$\therefore \ 25.0\ \text{tbsp (us)} = 0.081316 \ \text{gal (uk)}$$
Example 2
Convert $60.0\ \text{tbsp (us)}$ to $\text{gal (uk)}$.
$$\text{Volume}_{\text{gal (uk)}} = 60.0 \cdot 0.003252633537831411168718613137883324$$
$$\text{Volume}_{\text{gal (uk)}} = 0.195158$$
$$\therefore \ 60.0\ \text{tbsp (us)} = 0.195158 \ \text{gal (uk)}$$
Example 3
Convert $120.0\ \text{tbsp (us)}$ to $\text{gal (uk)}$.
$$\text{Volume}_{\text{gal (uk)}} = 120.0 \cdot 0.003252633537831411168718613137883324$$
$$\text{Volume}_{\text{gal (uk)}} = 0.390316$$
$$\therefore \ 120.0\ \text{tbsp (us)} = 0.390316 \ \text{gal (uk)}$$
Example 4
Convert $140.0\ \text{tbsp (us)}$ to $\text{gal (uk)}$.
$$\text{Volume}_{\text{gal (uk)}} = 140.0 \cdot 0.003252633537831411168718613137883324$$
$$\text{Volume}_{\text{gal (uk)}} = 0.455369$$
$$\therefore \ 140.0\ \text{tbsp (us)} = 0.455369 \ \text{gal (uk)}$$
Example 5
Convert $160.0\ \text{tbsp (us)}$ to $\text{gal (uk)}$.
$$\text{Volume}_{\text{gal (uk)}} = 160.0 \cdot 0.003252633537831411168718613137883324$$
$$\text{Volume}_{\text{gal (uk)}} = 0.520421$$
$$\therefore \ 160.0\ \text{tbsp (us)} = 0.520421 \ \text{gal (uk)}$$