Por que a distinção importa
Imperial pint and US liquid 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 pt = 0.150118740688 US gal · 10 imp pt = 1.50118740688 US gal.
0.150118740688 US gal