There is a lot of variation, but you can use 9 feet per story as a rough guide so 21 stories is 189 feet.
Each story is about 10 feet, so 400 feet is about 40 stories.
20 feet
3-4 stories
5 stories as the height of a story in a non-residential building is 11 feet. Therefore, if there are 55 feet, there are 55 feet divided by 11 feet for a total of 5 stories.
Well, a story is typically about ten feet, so 100 feet would be about ten stories.
10 stories high
an average story is about 10 feet
Each story is about 10 feet, so 400 feet is about 40 stories.
200 feet
20 feet
3-4 stories
8 stories
There is about 21 feet in 6.4 meters.
21 feet by 21 feet is 441 square feet which converts to 49 square yards.
5 stories as the height of a story in a non-residential building is 11 feet. Therefore, if there are 55 feet, there are 55 feet divided by 11 feet for a total of 5 stories.
Varies.
21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.