Changing between square kilometres and acres? Try our sq to ac converter! Simple to use, enter the numbers for a conversion whit this online calculator.

**Square kilometres and acres** are both **units of area** used to measure land are larger plots, whether that be a park or building. As acres are a smaller measurement, they will be used in more everyday situations or for land sizes that are average in size. Square kilometres will be used for much larger plots and perhaps used more frequently in construction or land deeds. Use our **sq km – acre converter** above or have a look at the rest of our area converters.

## How to use the Converter for Square Kilometers to Acres?

Enter the quantity of square kilometres you want to convert in our **sq km to ac calculator** above, and click “convert” for the equivalent quantity to appear in acres underneath. If you need to work in the opposite direction, visit how to convert acres to square kilometres.

## Formula for Converting Sq Km – Ac

The mathematical formula for this **square kilometre – acre conversion** can be seen below and is useful if you are doing calculations by hand. It is accurate and used by our **online converter**. For instance, 4 sq km = 988.422 ac and 7 sq km = 1,729.74.

**[number of] square kilometres x 247.105 = [number of] acres**

## Unit of Square Kilomtres

**Square kilometres** are a **unit of area**, found when calculating the size of a park or garden. Measuring in **kilometres square** is different and refers to the length of a square-shaped area, for example if a park is 10 kilometres square, it would have an area of 100 square kilometres. Use the **converter square kilometres to acres **when changing units.

## Unit of Acres

The unit of area known as **acres** is one of the largest measurements and most commonly used when it comes to measuring land. An American football field is said to almost be one acre in size. The Middle Ages introduced us to this unit when it was a measurement of land that could be ploughed in one day. Use this **sq km to acres calculator** above for any conversion.

### How much is 1 Square Kilometre in Acres?

**247.11 Acres**

`(1sqkm = 247.11ac)`

### How much are 2 Square Kilometres in Acres?

**494.21 Acres**

`(2sqkm = 494.21ac)`

### How much are 3 Square Kilometres in Acres?

**741.32 Acres**

`(3sqkm = 741.32ac)`

### How much are 4 Square Kilometres in Acres?

**988.42 Acres**

`(4sqkm = 988.42ac)`

### How much are 5 Square Kilometres in Acres?

**1235.53 Acres**

`(5sqkm = 1235.53ac)`

### How much are 10 Square Kilometres in Acres?

**2471.05 Acres**

`(10sqkm = 2471.05ac)`

### How much are 15 Square Kilometres in Acres?

**3706.58 Acres**

`(15sqkm = 3706.58ac)`

### How much are 20 Square Kilometres in Acres?

**4942.1 Acres**

`(20sqkm = 4942.1ac)`

### How much are 25 Square Kilometres in Acres?

**6177.63 Acres**

`(25sqkm = 6177.63ac)`

### How much are 30 Square Kilometres in Acres?

**7413.15 Acres**

`(30sqkm = 7413.15ac)`

### How much are 50 Square Kilometres in Acres?

**12355.25 Acres**

`(50sqkm = 12355.25ac)`

### How much are 100 Square Kilometres in Acres?

**24710.5 Acres**

`(100sqkm = 24710.5ac)`

### How much are 200 Square Kilometres in Acres?

**49421 Acres**

`(200sqkm = 49421ac)`

### How much are 500 Square Kilometres in Acres?

**123552.5 Acres**

`(500sqkm = 123552.5ac)`

### How much are 1000 Square Kilometres in Acres?

**247105 Acres**

`(1000sqkm = 247105ac)`