Matsakaicin girman bandaki yawanci sun haɗa da tsayi, faɗi da tsayi, kamar haka:
Tsawon: gabaɗaya tsakanin 680mm da 730mm.
Nisa: gabaɗaya tsakanin 360mm da 400mm.
Tsawo: kusan tsakanin 700mm da 760mm.
Bugu da ƙari, akwai wasu ƙayyadaddun ƙayyadaddun ƙima don nau'ikan bandakuna daban-daban:
Gidan bayan gida tare da tankin ruwa: tsawon kusan 700mm, tsayi kusan 700mm, nisa tsakanin 300mm da 500mm.
Daya - bandaki: Tsawon 750mm zuwa 830mm, tsayin wurin zama 360mm zuwa 430mm, nisa 680mm zuwa 730mm.
Gidan bayan gida na yara: tsawon kusan 530mm, nisa kusan 285mm, tsayi kusan 500mm.
Smart toilet: tsawo game da 700mm, tsawon tsakanin 620mm da 720mm, nisa tsakanin 360mm da 400mm.
bangon bayan gida{0} mai hawa: tsayi kusan 650mm, tsayi 345mm, faɗin 740mm.
Waɗannan ma'auni na iya taimaka wa masu amfani su zaɓi ɗakin bayan gida daidai da ainihin buƙatu da girman sarari.
