床ゆか面めん積せき

ゆ

か

め

ん

せ

き

Meanings

1

noun

floor area; floor space

Refers to the total area of a floor or floors in a building, often used in real estate, architecture, and building regulations.

bed, counter for beds, floor

面mask, face, features

積volume, product (x*y), acreage

延のべ床ゆか面めん積せき
延べ床面積 is the total floor area of all stories combined, while 床面積 can refer to the area of a single floor or the total depending on context.
建けん築ちく面めん積せき
建築面積 is the building footprint area (ground coverage), whereas 床面積 is the interior floor area.

Compound of 床 (ゆか, 'floor') and 面積 (めんせき, 'area').