Por que a distinção importa
US liquid quart and cubic centimetre 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 = 946.352946 cm³ · 10 US qt = 9 463.52946 cm³.
946.352946 cm³