How do I convert Acres to Square Metres?

To convert Acres (ac) to Square Metres (m²), use the formula: 1 ac = 4046.856422 m². For example, 1 ac equals 4046.86 m².

How many m² are in one ac?

There are 4046.86 square metres in one acres (1 ac = 4046.86 m²).

What is the conversion formula for ac to m²?

The exact conversion formula is: 1 ac = 4046.856422 m². This converter uses this formula to give you an accurate result for any value you enter.

Acres to Square Metres Converter

This free area converter converts Acres (ac) to Square Metres (m²) and back again. The exact conversion factor is 1 ac = 4046.86 m², so 10 ac equals 40468.56 m².

Type a value in either field — the result updates in real time. The reference table below shows common conversion values at a glance. All calculations run entirely in your browser with no data sent to any server.

Acres (ac)	Square Metres (m²)
1 ac	4046.86 m²
10 ac	40468.56 m²
100 ac	404685.64 m²
1000 ac	4046856.42 m²