Почему различие важно
cubic inch 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.
Пример
1 in³ = 0.00360465014991 imp gal · 10 in³ = 0.0360465014991 imp gal.
0.00360465014991 imp gal