Convert US pint to UK quart
Unit definitions
US pint
$4$ US liquid gills are equal to $1$ US pint.
UK quart
$40$ UK fluid ounces are equal to $1$ UK quart.
How to convert US pint to UK quart
$$\text{Volume}_{\text{qt (uk)}} = \text{Volume}_{\text{pt (us)}} \cdot 0.4163370923144944336781717915835366$$
Examples
Example 1
Convert $25.0\ \text{pt (us)}$ to $\text{qt (uk)}$.
$$\text{Volume}_{\text{qt (uk)}} = 25.0 \cdot 0.4163370923144944336781717915835366$$
$$\text{Volume}_{\text{qt (uk)}} = 10.408427$$
$$\therefore \ 25.0\ \text{pt (us)} = 10.408427 \ \text{qt (uk)}$$
Example 2
Convert $65.0\ \text{pt (us)}$ to $\text{qt (uk)}$.
$$\text{Volume}_{\text{qt (uk)}} = 65.0 \cdot 0.4163370923144944336781717915835366$$
$$\text{Volume}_{\text{qt (uk)}} = 27.061911$$
$$\therefore \ 65.0\ \text{pt (us)} = 27.061911 \ \text{qt (uk)}$$
Example 3
Convert $110.0\ \text{pt (us)}$ to $\text{qt (uk)}$.
$$\text{Volume}_{\text{qt (uk)}} = 110.0 \cdot 0.4163370923144944336781717915835366$$
$$\text{Volume}_{\text{qt (uk)}} = 45.79708$$
$$\therefore \ 110.0\ \text{pt (us)} = 45.79708 \ \text{qt (uk)}$$
Example 4
Convert $130.0\ \text{pt (us)}$ to $\text{qt (uk)}$.
$$\text{Volume}_{\text{qt (uk)}} = 130.0 \cdot 0.4163370923144944336781717915835366$$
$$\text{Volume}_{\text{qt (uk)}} = 54.123822$$
$$\therefore \ 130.0\ \text{pt (us)} = 54.123822 \ \text{qt (uk)}$$
Example 5
Convert $170.0\ \text{pt (us)}$ to $\text{qt (uk)}$.
$$\text{Volume}_{\text{qt (uk)}} = 170.0 \cdot 0.4163370923144944336781717915835366$$
$$\text{Volume}_{\text{qt (uk)}} = 70.777306$$
$$\therefore \ 170.0\ \text{pt (us)} = 70.777306 \ \text{qt (uk)}$$