Почему различие важно
cubic inch and US teaspoon 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 in³ = 3.32467532468 US tsp · 10 in³ = 33.2467532468 US tsp.
3.32467532468 US tsp