How much is one eighth of a quart?

A quart is equal to two pints. Therefore, one eighth of two pints is equal to 0.25 pints, or one quarter of a pint.

2 cups per pint; 2 pints per quart; 4 cups per quart

4 cups x 1/8 = 1/2 cup, so 1/4 of one pint is 1/2 cup.