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Sources and Accuracy
Area conversions are derived from squared length relationships, using square metre as the reference unit and fixed factors such as 1 square foot = 0.09290304 square metre.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
About These Units
acre [ac]
Definition
The acre is a land area unit equal to 43,560 square feet or about 4046.856 square meters.
History
The acre has agricultural origins and became a standard land measure in customary systems.
Current use
Acres are used for land parcels, farms, real estate, parks, and property planning.
section [section]
Definition
The section (section) is a area unit used to express measurements in this converter.
History
This unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current use
Use section when comparing area values, checking specifications, converting between systems, or preparing quick estimates.