Por que a distinção importa
Imperial 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 imp qt = 1 136.5225 cm³ · 10 imp qt = 11 365.225 cm³.
1 136.5225 cm³