Por que a distinção importa
litre and US liquid 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.
Exemplo
1 L = 1.05668820943 US qt · 10 L = 10.5668820943 US qt.
1.05668820943 US qt