In the united states the first floor and ground floor are usually equivalent being at ground level and may also be called the lobby or main floor to indicate the entrance to the building.
In usa is 1st floor ground floor.
The ground floor was where the animals lived and if your house doubled as a fortress the upper floors could be designed with more openings for light and a.
The floor above it is the first floor and the floor below is called the basement.
After the ground level you count the upper levels beginning with the number one.
This practice dates back to the middle ages in europe but it wasn t adopted by americans when they began building cities.
In the us the first floor of a building is also the ground floor but in europe the first floor is the floor above the ground floor and the second floor is the one above that.
In the united states the ground level was referred to as the first floor and the next level therefore became the second floor.
Historically living on an elevated floor was desirable for defensive and hygienic reasons.
Example of a simple floor plan.
Ground floor and first floor are synonymous.
In british english the floor of a building at street level is called the ground floor.
In this case first floor will always be at ground level.
To my knowledge as an american first floor always refers to the ground level in american english.
This is important information for novice american travelers trying to find their hotel rooms.
The story just above it is the second floor and so on.
In british english the floor of a building which is level with the ground is called the ground floor.
In american english however the floor at street level is usually called the first floor.
Depends on the country.
Those filthy british peasants are accustomed to living on the ground so they call their first floors ground floor to remind themselves about how peasantish they are.