Choose a Measurement
Select a measurement and convert between different units
Single conversion
To convert from Square Foot (ft2) to Square Kilometer (km2), use the following formula:
With is the ratio between the base units Square Meter (m2) and Square Foot (ft2).
Let's convert 5 Square Foot (ft2) to Square Kilometer (km2).
Using the formula:
Therefore, 5 Square Foot (ft2) is equal to Square Kilometer (km2).
Here are some quick reference conversions from Square Foot (ft2) to Square Kilometer (km2):
| Square Feet | Square Kilometers |
|---|---|
| 0.000001 ft2 | km2 |
| 0.001 ft2 | km2 |
| 0.1 ft2 | km2 |
| 1 ft2 | km2 |
| 2 ft2 | km2 |
| 3 ft2 | km2 |
| 4 ft2 | km2 |
| 5 ft2 | km2 |
| 6 ft2 | km2 |
| 7 ft2 | km2 |
| 8 ft2 | km2 |
| 9 ft2 | km2 |
| 10 ft2 | km2 |
| 20 ft2 | km2 |
| 30 ft2 | km2 |
| 40 ft2 | km2 |
| 50 ft2 | km2 |
| 100 ft2 | km2 |
| 1000 ft2 | km2 |
| 10000 ft2 | km2 |
A square foot (ft2) is a unit of area used in the imperial system of measurement, which is common in the United States. Its plural form is square feet.
It's a fundamental measurement for understanding the size of any physical space.
A square foot is simply the area of a square with sides that are one foot long.
Since a foot equals 12 inches, that same space measures 12 by 12 inches, or 144 square inches in total.
For a quick comparison, a standard sheet of printer paper is smaller than one square foot. It's this straightforward measurement that makes it the standard for measuring rooms, houses, and floor plans.
In the United States real estate market, the square foot is the most common unit used to describe the size of a property.
This measurement, known as "square footage," represents the total floor area of apartments, houses, and commercial buildings.
Square footage is a primary factor in determining a property's value, rental price, and marketability.
Buyers and renters rely on this number to compare different properties and understand precisely how much living or working space they are getting. For example, knowing a bedroom is 120 square feet helps you visualize if your queen-sized bed will fit comfortably.
Since many parts of the world use the metric system, knowing how to convert square feet to square meters is essential.
The conversion is:
This conversion is crucial for international business, science, and real estate, as it enables a clear understanding of the area, regardless of the measurement system used.
Calculating the square footage of a rectangular or square area is simple. You need to multiply the length of the space by its width.
Formula: Length × Width = Square Footage
For example, if a room is 10 feet long and 12 feet wide, its square footage is 120 ft2 (10 ft × 12 ft = 120 ft2).
A square kilometer (km2) is a unit used to measure area in the metric system.
It represents a square that is one kilometer long on each side, which equals one million square meters (106 m2).
It can be challenging to visualize such a large area, so let's put it into perspective. A single square kilometer is equivalent to:
Due to its vast size, the square kilometer is a crucial unit for geographers, urban planners, and scientists when measuring large sections of land or water.
When it comes to measuring our planet, the square kilometer is the standard unit of choice.
The total surface area of Earth is a massive 510 million square kilometers.
This total area is broken down into:
These figures show why the square kilometer is crucial for scientists studying global climate patterns, mapping population density, and managing natural resources.
While much of the world uses the metric system, some countries (like the United States) use the imperial system, where large areas are measured in square miles.
A square kilometer is significantly smaller than a square mile. Here's the quick conversion:
Keeping this difference in mind is essential when comparing geographical data from different countries, whether you're examining the size of a national park or the area of a city.