Arpent to Square Meters Converter

Convert area measurements with this free arpent to square meters converter.

Great for real estate, land surveying, and construction.

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How This Tool Works

The arpent is a historical area unit used in French, Canadian, and Louisiana land records. This converter uses the common Canadian/French square arpent factor: 1 arpent = 3,418.89 square meters.

Enter an area in arpents and the tool multiplies it by 3,418.89 to show the equivalent in square meters. Use the swap control to convert square meters back to arpents.

  • Input: Arpent value, such as 5.5 arpent.
  • Formula: square meters = arpents x 3,418.89.
  • Output: Equivalent area in square meters.

Why This Matters

Arpents appear in older property descriptions, survey documents, and agricultural records. Converting them to square meters makes the area easier to compare with metric plans, permits, and construction estimates.

Because arpent definitions vary by region, confirm the source convention when working from legal deeds or survey records. This page uses the 3,418.89 m2 convention shown in the calculator result.

Frequently Asked Questions

Common questions about the Arpent to Square Meters Converter

An arpent is a French/Canadian unit equal to about 3,419 square meters (0.85 acres).
Learn More

Sources & References

International System of Units (SI): area

Area is measured in the square metre (m²); 1 acre = 4046.8726 m². Conversions between SI and other units use exact, internationally agreed factors maintained by NIST.
→Source: NIST — International System of Units (SI)

International System of Units (SI)

Authoritative definitions for area, from the BIPM SI Brochure (9th edition), the defining reference for the SI.
→Source: BIPM — SI Brochure (9th ed.)

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