How do I convert Acre to Square meter (m²)?

1 acre equals 4046.856422 m2 using SI-based conversion and precise factors.

What is the formula to convert Acre to Square meter (m²)?

This is a linear unit conversion using a constant factor between units.

Yes, it uses exact definitions or standardized constants (e.g., 1 in = 25.4 mm).

Use the shareable URL pattern: /convert/acre-to-m2/1

Category: Area

Value From To Precision

4046.856422 m2

1 acre = 4046.856422 m2

High-precision rounding: 6 decimals

We convert by pivoting through the SI base unit for Area and applying exact factors where applicable.

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Area is length squared; used from land surveying to floor plans.

Acre

4,046.8564224 m².

History: Medieval field measure; standardized later.

Square meter (m²)

SI unit of area; 1 m × 1 m.

History: Derived from the meter.