Convert Acres to Square Meters

Enter the area in acres below to get the value converted to square meters.

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1 ac = 4,046.856422 sq m

How to Convert Acres to Square Meters

Calculators can be used to convert measurements from one unit to another

To convert an acre measurement to a square meter measurement, multiply the area by the conversion ratio. One acre is equal to 4,046.856422 square meters, so use this simple formula to convert:

square meters = acres × 4,046.856422

The area in square meters is equal to the acres multiplied by 4,046.856422.

For example, here's how to convert 5 acres to square meters using the formula above.
5 ac = (5 × 4,046.856422) = 20,234.282112 sq m

Acres and square meters are both units used to measure area. Keep reading to learn more about each unit of measure.

Acres

One acre is defined as the area equal to a space that is one chain (66 ft) by one furlong (660 ft), or 10 square chains.[1] That's equal to 43,560 square feet for those unfamiliar with those units of measure.

The acre is a US customary and imperial unit of area. Acres can be abbreviated as ac, for example 1 acre can be written as 1 ac.

Try our acreage calculator to find the area of a plot of land in acres by locating the boundaries on a map.

Square Meters

One square meter is equal to the area of a square with sides that are 1 meter in length.[2]

The square meter, or square metre, is the SI derived unit for area in the metric system. A square meter is sometimes also referred to as a square m. Square meters can be abbreviated as sq m, and are also sometimes abbreviated as . For example, 1 square meter can be written as 1 sq m or 1 m².

Try our square meters calculator to calculate the area of a space.

Acre to Square Meter Conversion Table

Acre measurements converted to square meters
Acres Square Meters
0.001 ac 4.0469 sq m
0.002 ac 8.0937 sq m
0.003 ac 12.14 sq m
0.004 ac 16.19 sq m
0.005 ac 20.23 sq m
0.006 ac 24.28 sq m
0.007 ac 28.33 sq m
0.008 ac 32.37 sq m
0.009 ac 36.42 sq m
0.01 ac 40.47 sq m
0.02 ac 80.94 sq m
0.03 ac 121.41 sq m
0.04 ac 161.87 sq m
0.05 ac 202.34 sq m
0.06 ac 242.81 sq m
0.07 ac 283.28 sq m
0.08 ac 323.75 sq m
0.09 ac 364.22 sq m
0.1 ac 404.69 sq m
0.2 ac 809.37 sq m
0.3 ac 1,214 sq m
0.4 ac 1,619 sq m
0.5 ac 2,023 sq m
0.6 ac 2,428 sq m
0.7 ac 2,833 sq m
0.8 ac 3,237 sq m
0.9 ac 3,642 sq m
1 ac 4,047 sq m

References

  1. National Institute of Standards and Technology, Handbook 44 - 2014 Edition, https://www.nist.gov/sites/default/files/documents/2017/05/09/appc-14-hb44-final.pdf
  2. Collins Dictionary, Definition of 'square meter', https://www.collinsdictionary.com/us/dictionary/english/square-meter