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Square Meters to Acres Converter

Convert square meters (m²) to acres (ac), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Enter an area, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.

A number, fraction (3/8), mixed number (1 1/2), scientific notation (2.5e6) or a simple sum such as 2*3.
The unit you want the answer in. Swap exchanges the two units.
Result
0.000247105381467 ac
square miles
3.86102158542 × 10⁻⁷ sq mi
square yards
1.1959900463 sq yd
square feet
10.7639104167 sq ft
square inches
1,550.00310001 sq in
square kilometers
1 × 10⁻⁶ km²
hectares
0.0001 ha
ares
0.01 a
square centimeters
10,000 cm²
square millimeters
1,000,000 mm²
square micrometers
1,000,000,000,000 µm²

1 m² = 0.000247105381467 ac

Show the working
  1. 1 m² = 0.000247105381467 ac
  2. 1 × 0.000247105381467 = 0.000247105381467 ac

How to convert square meters to acres

1 m² = 0.000247105381467 ac, so multiply by 0.000247105381467 to go from square meters to acres. Going the other way, 1 ac = 4,046.8564224 m².

ac = m² × 0.000247105381467
m² = ac × 4,046.8564224

Worked example:

1 m² = 0.000247105381467 ac
5 × 0.000247105381467 = 0.00123552690734 ac

Square Meters to acres table

Square MetersAcres
1 m²0.000247105381467 ac
2 m²0.000494210762934 ac
3 m²0.000741316144401 ac
4 m²0.000988421525869 ac
5 m²0.00123552690734 ac
6 m²0.0014826322888 ac
7 m²0.00172973767027 ac
8 m²0.00197684305174 ac
9 m²0.0022239484332 ac
10 m²0.00247105381467 ac
15 m²0.00370658072201 ac
20 m²0.00494210762934 ac
25 m²0.00617763453668 ac
30 m²0.00741316144401 ac
40 m²0.00988421525869 ac
50 m²0.0123552690734 ac
75 m²0.01853290361 ac
100 m²0.0247105381467 ac
250 m²0.0617763453668 ac
500 m²0.123552690734 ac
1000 m²0.247105381467 ac

About the units

Square Meters (m²)
Square meters, a metric unit. Definition: BIPM SI Brochure.

Formula version 0.1.0Reviewed