Free Area Converter Tool

Convert between 9 supported units including Square Meter, Square Kilometer, Square Centimeter with adjustable precision and a documented conversion methodology.

What this converter covers

Convert area between square metric units, hectares, international acres, and square imperial or US customary length units.

Worked example

1 Acre (international) = 4046.856422 Square Meter

Important unit notes

•The acre here is based on the international yard and international foot.
•Area conversion factors are the square of the corresponding linear-unit relationships.

Conversion factors are maintained against documented standards and definitions. Some displayed decimals are rounded for readability.How accuracy is handled·Sources

Supported units

Square Meter

Square Kilometer

Square Centimeter

Hectare

Acre (international)

Square Mile

Square Yard

Square Foot

Square Inch

About this converter

This tool converts through a consistent base-unit relationship defined for the area converter. It is designed for quick everyday use while preserving more internal precision than is normally useful to display.

Read the conversion methodology →

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