Почему различие важно
Imperial quart and US tablespoon 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 qt = 76.8607952323 US tbsp · 10 imp qt = 768.607952323 US tbsp.
76.8607952323 US tbsp