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How high is a ceiling?

A ceiling is at least 7 ft 0 in (213.4 cm) from the floor in a living room, bedroom or hallway, under the International Residential Code.

Ceiling: at least 7 ft 0 in (213.4 cm) from the floor in a living room, bedroom or hallway, under the International Residential Code; Average US man: 5 ft 9 in (175.1 cm).Ceiling: at least 7 ft 0 in (213.4 cm), measured to the ceiling. Average US man: 5 ft 9 in (175.1 cm).Ceiling: at least 7 ft 0 in (213.4 cm) from the floor in a living room, bedroom or hallway, under the International Residential Code; Average US man: 5 ft 9 in (175.1 cm).Ceiling: at least 7 ft 0 in (213.4 cm), measured to the ceiling. Average US man: 5 ft 9 in (175.1 cm).

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What a ceiling’s height measures

The International Residential Code, the model for most US home building codes, sets the floor-to-ceiling minimum at 7 ft (213.4 cm) in living spaces and hallways, and at 6 ft 8 in (203.2 cm) in bathrooms, toilet rooms and laundry rooms. Over a shower, or a tub with a shower head, the minimum is 6 ft 8 in (203.2 cm) across a 30 by 30 in (76 by 76 cm) area at the head.

Most rooms are built higher than the minimum: 8 ft (243.8 cm), the length of a standard sheet of drywall, is the usual ceiling in American homes. Your state or city may adopt the code with changes of its own.

Drawn at the same 7 ft 0 in: Perseverance rover. Same drawing, different listings: a ceiling’s figure is a minimum.

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Published heights

at least 7 ft 0 in (213.4 cm)

A ceiling is at least 7 ft 0 in (213.4 cm) from the floor in a living room, bedroom or hallway, under the International Residential Code. The lowest ceiling the International Residential Code allows in a living space.

Source: International Code Council

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at least 6 ft 8 in (203.2 cm)

Ceilings over a shower are at least 6 ft 8 in (203.2 cm) from the floor, over a 30 by 30 in (76 by 76 cm) area at the shower head. The lowest ceiling the code allows over a shower or a tub with a shower head.

Source: International Code Council

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Compared with a ceiling

Draw Ceiling beside Perseverance roverDraw Ceiling beside Field hockey goalDraw Ceiling beside Curiosity rover

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Cite this page
APAHeightvs. (2026, October 17). How high is a ceiling? Drawn to scale beside a person. https://heightvs.com/how-tall/ceiling-height
MLA“How High Is a Ceiling? Drawn to Scale Beside a Person.” Heightvs, 17 Oct. 2026, heightvs.com/how-tall/ceiling-height.
Chicago“How High Is a Ceiling? Drawn to Scale Beside a Person.” Heightvs. Last modified October 17, 2026. https://heightvs.com/how-tall/ceiling-height.
Link<a href="https://heightvs.com/how-tall/ceiling-height">How high is a ceiling? Drawn to scale beside a person (Heightvs)</a>

For the height itself, cite the original publisher as well: International Code Council.

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A ceiling, 7 ft 0 in (213.4 cm), drawn to scale beside the Perseverance rover, 7 ft 0 in (213.4 cm)