# Convert acres to square meters

Enter the number of acres you want to convert to square meters in the text box below. The conversion to area in square meters will update as you type.

acres (acre)
1 acres = 4,046.856 square meters

## Precise decimal and fraction answers

The conversion in square meters rounded to six significant decimal places is 1 acre = 4,046.856422 m2. The precise fraction answer is 4,046 340/397 m2.

### Decimal Precision

Conversion from one to ten decimal places

• 1 acre = 4,046.9 m2
• 1 acre = 4,046.86 m2
• 1 acre = 4,046.856 m2
• 1 acre = 4,046.8564 m2
• 1 acre = 4,046.85642 m2
• 1 acre = 4,046.856422 m2
• 1 acre = 4,046.8564224 m2
• 1 acre = 4,046.85642240 m2
• 1 acre = 4,046.856422400 m2
• 1 acre = 4,046.8564224000 m2

## Acres to square meters conversion factor and formulas

Formula

The conversion factor between acres and square meters is 4,046.856. This represents the ratio of square meters per one acre. To calculate the value in square meters, we can either multiply by the conversion factor or divide by its inverse.

### Multiplication

To convert from acres to square meters, multiply acres by 4,046.856.
The formula is expressed as:
acre × 4,046.856 = m2

### Division

Alternatively we can divide by the inverse conversion factor to get the same result.
The inverse of 4,046.856 is 1/4,046.856 or 0. To convert from acres to square meters, divide acres by 0.
The formula is expressed as:
acre ÷ 0 = m2

Converting acres to square meters is a conversion between units from separate unit systems - acres are US Customary / UK Imperial defined units while square meters are metric (SI) .

## Reverse this conversion

Convert from square meters to acres instead.

## 1 acres to other area units

### Metric

• 1 acre = 0.405 ha
• 1 acre = 0.004 km2
• 1 acre = 4,046.856 m2
• 1 acre = 404,685.642 dm2
• 1 acre = 4.047×107 cm2
• 1 acre = 4.047×109 mm2
• 1 acre = 4.047×1015 µ2
• 1 acre = 4.047×1021 nm2

### Imperial/U.S.

• 1 acre = 1 acre
• 1 acre = 0.002 sq mi
• 1 acre = 4,840 sq yd
• 1 acre = 43,560 sq ft
• 1 acre = 6,272,640 sq in

## References and Citations

1. National Institute of Standards and Technology (NIST) General Tables of Units of Measurement
2. International Bureau of Weights and Measures (BIPM) The International System of Units (SI)

## Acres to square meters conversion table

acre m2
1 acre 4,046.856 m2
2 acre 8,093.713 m2
3 acre 12,140.569 m2
4 acre 16,187.426 m2
5 acre 20,234.282 m2
6 acre 24,281.139 m2
7 acre 28,327.995 m2
8 acre 32,374.851 m2
9 acre 36,421.708 m2
10 acre 40,468.564 m2
acre m2
20 acre 80,937.128 m2
30 acre 121,405.693 m2
40 acre 161,874.257 m2
50 acre 202,342.821 m2
60 acre 242,811.385 m2
70 acre 283,279.95 m2
80 acre 323,748.514 m2
90 acre 364,217.078 m2
100 acre 404,685.642 m2
1,000 acre 4,046,856.422 m2