Acres to Square Meters Conversion

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

(find acres)
Results in Square Meters:
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1 ac = 4,046.856422 sq m

How to Convert Acres to Square Meters

To convert an acre measurement to a square meter measurement, multiply the area by the conversion ratio.

Since one acre is equal to 4,046.856422 square meters, you can 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.


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


  1. National Institute of Standards and Technology, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, Handbook 44 - 2019 Edition,
  2. Collins Dictionary, Definition of 'square meter',

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