Acres and square kilometers are the units of an area which is widely used around the world. Here at this point, we will consider what is acres? And then what are square kilometers? And finally using an equation we will convert acres to a square kilometer and vice versa. Before we move further we have to consider the reason why we need to use so many units for the same quantity. This is due to the fact that only a single unit will not be able to provide the kind of reliability we need. For example, this is unreliable to use millimeter in order to measures the length of the road.

## acre to square kilometer

**Acres. **

Acres is the unit of area which has its high use when we consider agricultural land or in the case, we have to show expansion of anything. acres is the unit of area which is equal to the 1/640th of an area the area of the square miles, this means that when we have to consider an area which is equal to one Acre and then we divide the area into 640 parts then what we will get is one acre.

**Square kilometer **

- This is a very large unit of area, one square kilometer is the unit of area which is equal to the area of a square whose length of the side is equal to one kilometer or we can say that the area of the square whose length of the side is equal to one kilometer.

- a square kilometer is mainly used when we have to show coverage of anything or for long constructional purpose

**Conversion, **under given the equation using which you can convert acres to a square kilometer and vice versa.

- Square kilometre is equal to 100 acres.
- Acres is equal to 0.001 square kilometers.