On the other hand, in the Kanto Region, because 1.818 m was defined as 1 ken (about 1.8 m), the longer side of tatami was 1.757 m and the shorter size was 87.87 cm, which was called 'inaka-ma' (literally means 'the room of the countryside') as opposed to 'kyo-ma' (literally means 'the room of Kyoto') in the Kinai Region.
一方、関東地方では、六尺を一間とするため、畳の長手が五尺八寸短手が二尺九寸で、畿内地方の「京間」に対して「田舎間」と称された。