Почему различие важно
US teaspoon and cubic foot 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.
Пример
1 US tsp = 0.00017406322338 ft³ · 10 US tsp = 0.0017406322338 ft³.
0.00017406322338 ft³