Convert Acres to Square Meters
One acre equals 4,046.856422 square meters. Type any value to convert acres to square meters instantly — with a full reference table below.
Convert Acres to Square Meters
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Conversion formula
To convert acres to square meters, multiply by 4,046.856422. One acre equals 4,046.856422 m², and one square meter equals 0.000247 ac.
Acres to Square Meters table
About converting Acres to Square Meters
Acres (ac) and Square Meters (m²) are both units of area. The exact factor is 1 ac = 4,046.856422 m², so multiply by 4,046.856422 to go from acres to square meters (or divide to go back).
The conversion is exact and runs entirely in your browser. Need the reverse? Use the Square Meters to Acres converter, or the full unit converter for every unit at once.
Frequently asked questions
How many square meters are in one acre?
One acre equals 4,046.856422 square meters.
How do I convert acres to square meters?
Multiply the number of acres by 4,046.856422. For example, 10 acres = 40,468.564224 square meters.
What is 5 acres in square meters?
5 acres is 20,234.282112 square meters.