In 1 acres there are 4,046.856422 square meter. Meanwhile in 1 square meter there are 0.000247 acres. Keep reading to learn more about each unit of measure and how they are calculated. Or just use the Square meter to Acres calculator above to convert any number.
* Values rounded to 6 decimal places for readability
To convert acres to square meters (m²), use this fixed area conversion:
Tip: For a fast estimate, you can use 1 acre ≈ 4,047 m².
1 acre equals 4,046.8564224 square meters (m²). For most uses, people round this to 4,047 m².
Use this formula:
square meters = acres × 4,046.8564224
Example:
2 acres × 4,046.8564224 = 8,093.7128448 m²
Use the reverse formula:
acres = square meters ÷ 4,046.8564224
Example:
10,000 m² ÷ 4,046.8564224 = 2.4710538 acres
An acre is an older land unit used in the US and other places. A square meter is a metric unit. The value 4,046.8564224 m² comes from the fixed definition of an acre as 43,560 square feet, converted into metric units.
0.5 acre equals:
0.5 × 4,046.8564224 = 2,023.4282112 m²
A quick rounded value is about 2,023 m².
2 acres equals:
2 × 4,046.8564224 = 8,093.7128448 m²
Rounded: about 8,094 m².
5 acres equals:
5 × 4,046.8564224 = 20,234.282112 m²
Rounded: about 20,234 m².
10 acres equals:
10 × 4,046.8564224 = 40,468.564224 m²
Rounded: about 40,469 m².
Rounding depends on your goal. For rough planning, rounding to the nearest whole square meter often works. For legal land records, surveys, or construction, keep more decimal places or use the exact factor.
Yes. Both measure area and work for the same land sizes. Acres are common in the US and some other countries. Square meters are standard in metric-based systems, and they pair well with hectares and square kilometers.
An acre is a fixed area. It doesn’t describe shape. A “square acre” is an informal phrase some people use, but it’s not a standard unit. If an acre were a perfect square, each side would be about 63.6149 meters long.
Use a simple estimate:
1 acre ≈ 4,000 m²
This is close but not exact. It helps for fast mental math.
Example: 3 acres ≈ 12,000 m² (exact is 12,140.57 m²).
Here are quick reference values:
No. The land area stays the same. Only the unit label changes. Converting acres to square meters just expresses the same size in metric terms.
Yes. An acre is much larger.
1 acre = 4,046.8564224 m², so it’s a little over four thousand square meters.
The shape doesn’t matter. Acres and square meters measure total area. Once you know the area in acres, multiply by 4,046.8564224 to get square meters.
The Calculate Box tool to convert acres to square meter uses the open source script Convert.js to convert units of measurement. To use this tool, simply type a acres value in the box and have it instantly converted to square meter.