Почему различие важно
Imperial fluid ounce and Imperial quart belong to measurement conventions that may look familiar but are not always equivalent across countries. Mendeleev.com therefore keeps the system name next to the abbreviation and calculates from defined conversion factors rather than rounded kitchen rules.
Пример
1 imp fl oz = 0.025 imp qt · 10 imp fl oz = 0.25 imp qt.
0.025 imp qt