How Tall Is 100 Stories

How Tall is a Storey in Feet?

Downtown Chicago at night

The peak of each storey in a building is based on ceiling height, floor thickness, and edifice material — with a general average of nearly 14 feet. Non every level is considered a storey: while a basement is usually considered to be storey, a level without a roof (similar a terrace or rooftop) is not technically a storey.

How tall is a storey in feet when it comes to the different levels of a building? While nigh levels betwixt the ground level and top level will have a floor to ceiling height of well-nigh fourteen anxiety, lower levels and partial levels have different minimum or maximum heights.

How Alpine is a Building Storey?

Building storey height varies widely from just under the 14-foot average to well to a higher place it. That'south considering several factors affect the storeys-to-anxiety standard for a building: edifice material, insulation type, and different height allowances for dissimilar levels.

Storeys inside a building aren't required to be the same height. For example, a edifice lobby is oftentimes taller than the storeys to a higher place. Levels nigh the acme may take less floor area than those beneath. The larger base storeys and smaller top of the Willis Tower demonstrate this principle. Willis Tower incorporates blueprint innovations that mean it doesn't crave eye columns for stability — so in that location'south enough of floor space for an observation deck and lots of family-friendly exhibits on the 103rd floor to see how big Chicago really is!

Storey peak is besides limited based on building material and insulation thickness. Take a look at how max storey top changes based on textile:

Wood wall framing – Max storey height of 11 feet, vii inches.
Cold-formed steel wall framing – Max storey summit of xi feet, vii inches.
Masonry walls – Max storey height of 13 feet, 7 inches.
Insulated concrete form walls – Max storey height of 11 anxiety, 7 inches; max unsupported wall height per storey of 10 feet.
Structural insulated panel walls – Max storey height of 11 feet, vii inches; bearing wall top per storey of 10 feet.

Storey Height by Edifice Level

Although there are storey tiptop maximums for safety purposes, storeys to anxiety within the same building can vary. How tall is a storey by building level? How many feet in a storey tin modify depending on storey function and location within the building:

Elevation storey / Attic – At least fifty% of the usable area must have ceilings of at least 7 anxiety.
Mezzanine – A partial floor typically located halfway between the footing floor and second floor.
Master Floor/Antechamber – In the The states, we call the first floor the "ground floor." In nigh of Europe, the "first floor" is really the second level!
Upper Ground – A master entrance flooring about a meter above ground.
Garden Level – A storey situated between a basement and first floor.
Lower Basis – A storey two meters beneath footing, just beneath the upper ground level.
Basement – The portion of a edifice between ii floor levels that is partly hush-hush merely has at least one-half of its height in a higher place pre-development footing level (natural grade).
Crawl Space – A infinite at or below natural grade, typically located between the joists of the floor above and the flooring slab beneath, and height of 3.9 feet or less.
Basement – A level with at to the lowest degree half of its height above average natural class and and meridian of at least 7.5 feet.
Cellar – A storage level beneath lower ground level and height of at least 7.five feet.

Just How High is 110 Storeys? Observe Out with Skydeck!

Now that you know storey height is variable, how tall is a storey in feet when it comes to Chicago's tallest skyscraper? Willis Tower reaches 110 floors — and a staggering height of one,450 feet! It's one thing to read the number on screen, but a family trip to the Skydeck shows you what that peak really looks like! Contact Skydeck Chicago to plan your group visit or special event on the 103rd floor today.