Calculating the conversion from acres to square metres? Need a useful tool? Use this acres to sq m converter to make your life easier! Try it out.

With **acres** being the larger unit of surface area, **square metres** are used to calculate the area of smaller surfaces and places. Both units of area can be used for measuring land, although square metres will more commonly be used for indoor plots such as rooms or sports halls while acres will be used for larger quantites of land. Our **acres – square metres converter** is a handy tool, as are our other area converters.

## How to use the Converter for Acres to Square Metres

In the **ac – sq m calculator** above, enter in the first box the quantity of acres you want to calculate and click “convert” for the new quantity in square metres to appear. If you want to work the other way, see our tool to convert square metres to acres.

## Formula to Convert Acres – M²

When **converting ac – sq m** the mathematical formula behind the conversion is shown below. It is the same one used by our **online converters **and you can use it for manual calculations. As some examples, 0.75 acres = 3035 square metres and 4 acres = 16,187 square metres.

**[number of] acres x 4,046.86 = [number of] square metres **

## Unit of Acres

The unit of area known as **acres** is one of the larger 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 **acres to square metres calculator** above for any conversion.

## Unit of Square Metres

**Square metres** are a popular unit of area for smaller places and measurements, commonly used in everyday situations and calculations. It is said that half a doorway approximately equates to a square metre and the unit is used frequently when measuring room sizes. Above you will find our **acre to sq m conversion** tool.

### How many are 0.1 Acres in Square Metres?

**404.69 Square Metres**

`(0.1ac = 404.69sq m)`

### How many are 0.2 Acres in Square Metres?

**809.37 Square Metres**

`(0.2ac = 809.37sq m)`

### How many are 0.4 Acres in Square Metres?

**1618.74 Square Metres**

`(0.4ac = 1618.74sq m)`

### How many are 0.5 Acres in Square Metres?

**2023.43 Square Metres**

`(0.5ac = 2023.43sq m)`

### How many is 1 Acre in Square Metres?

**4046.86 Square Metres**

`(1ac = 4046.86sq m)`

### How many are 2 Acres in Square Metres?

**8093.72 Square Metres**

`(2ac = 8093.72sq m)`

### How many are 3 Acres in Square Metres?

**12140.58 Square Metres**

`(3ac = 12140.58sq m)`

### How many are 4 Acres in Square Metres?

**16187.44 Square Metres**

`(4ac = 16187.44sq m)`

### How many are 5 Acres in Square Metres?

**20234.3 Square Metres**

`(5ac = 20234.3sq m)`

### How many are 10 Acres in Square Metres?

**40468.6 Square Metres**

`(10ac = 40468.6sq m)`

### How many are 15 Acres in Square Metres?

**60702.9 Square Metres**

`(15ac = 60702.9sq m)`

### How many are 20 Acres in Square Metres?

**80937.2 Square Metres**

`(20ac = 80937.2sq m)`

### How many are 25 Acres in Square Metres?

**101171.5 Square Metres**

`(25ac = 101171.5sq m)`

### How many are 30 Acres in Square Metres?

**121405.8 Square Metres**

`(30ac = 121405.8sq m)`

### How many are 50 Acres in Square Metres?

**202343 Square Metres**

`(50ac = 202343sq m)`

### How many are 100 Acres in Square Metres?

**404686 Square Metres**

`(100ac = 404686sq m)`