# What is *area*?

**Area**is the space occupied by a flat shape or the surface of an object. The area of a shape can be measured by comparing the shape to squares of a fixed size. In the International System of Units (SI), the standard unit of area is the square meter, which is the area of a square whose sides are one meter long.

## Input

**Hectare**is a non-SI unit of area equal to a square with 100 meter sides, or 10,000 m², and is primarily used in the measurement of land.

## Output

**Square Meter**is the SI-derived unit of area. It is defined as the area of a square whose sides measure exactly one meter.