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Land Area Converter

Convert land area between acres, hectares, square feet, and square meters — all shown simultaneously.

Computed in your browser — nothing you enter is uploaded. Figures are presented for United States against IRC 2024, and every formula is cited under regulatory standards below.

Last verified 2026-08-25 · v1.0.0

Market
Imperial · sales tax

Equivalent in acres

1 acres

High confidence
Hectares
1 acres
Square feet
43560 sq ft
Square meters
43560 ft²

For the dimensions entered, expect a equivalent in acres of 1. Note that value sits at the low end of the range this calculator was checked against, so treat the output as indicative rather than settled. Set for United States against IRC 2024. The market selector changes both the units and the code cited.

Estimated cost — your price

This site holds no price list for this material — local prices vary too much to publish honestly. Enter your supplier's price and the result is costed with it.

Preliminary estimate, not certified engineering. This tool produces an indicative quantity calculation for planning purposes only — it is not a certified structural analysis, a guaranteed material takeoff, or a substitute for building department approval. Always verify measurements on-site and have a licensed contractor or structural engineer review any load-bearing, code-sensitive, or safety-critical work before purchasing materials or starting construction. Spotted an arithmetic or standards error? Report it to contact@craftquantities.com with your inputs — confirmed fixes become pinned regression tests.

[Schema Verified] Computed in alignment with American Concrete Institute (ACI 318-19) formulas and International Residential Code (IRC 2024) spatial boundaries.

Regulatory standards & verification citations

  • Exact conversion factors: 1 acre = 43,560 sq ft = 4,046.8564224 m² = 0.404685642 hectares

Your workspace

Most jobs need more than one number. Add the calculators you need next and they open right here, underneath this one — your figures stay on screen and nothing is lost to a page change.

Frequently asked questions

How big is an acre, intuitively?
About 90% the size of a standard American football field (without end zones), or roughly 4,047 square meters.
Are these conversions exact?
Yes — acres, hectares, and square meters/feet all have exact, internationally defined relationships, used here without rounding approximations.
Which unit do land surveys typically use?
In the US, acres are standard for land surveys and real estate. Most of the rest of the world uses hectares or square meters.