Por que a distinção importa
US teaspoon 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 US tsp = 0.00520833333333 US qt · 10 US tsp = 0.0520833333333 US qt.
0.00520833333333 US qt