Por que a distinção importa
US liquid quart and Imperial pint 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.
Exemplo
1 US qt = 1.66534836926 imp pt · 10 US qt = 16.6534836926 imp pt.
1.66534836926 imp pt