Por que a distinção importa
Imperial quart and Imperial gallon 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 = 0.25 imp gal · 10 imp qt = 2.5 imp gal.
0.25 imp gal