Square feet and square inches are the units of an area which is widely used around the world. Here in this section, we will talk about what is square feet? And what are square inches? And finally, we will provide you equation using which you can convert square feet to square inches and vice versa. The amazing thing to know is that we use different units for the same unit of the area because, a single unit cannot be used in all situation, and for example, we can use CM for calculation of the length of the road and this will not be reliable.

**Square feet **

- square feet is the unit of area which is based on the concept of square area calculation, one square feet is the area which is equal to the area of the square whose side length is equal to one feet.
- Square feet is the area which is considered when we have small area into account.
- Mainly square feet is the area which is used in the European countries and this one of the widely used units for an area at small measurements.

**Square inches **

- square inches is the unit of area which is mainly used for the calculation of area at a very small purpose, square inches is the unit of area which is equal to the area of square whose length of the side is one inch, or we can say that the length of the side is equal to 2.5 CM.
- Square inches is the unit of area used at the very small scale of area measurement.

**Conversion**, use this conversion equation in order to convert square feet to square inches and vice versa.

**One square feet is equal to square inches.**

- One square inch is equal to square feet.