Area Converter

Convert between 11 different area units

1 mm2 = cm2

Controls display format. Very small or very large numbers will be shown in scientific notation (e.g., 1.5e-6).

Available Units

Acre

ac

The acre is one of the most commonly used imperial units for land measurement. Its definition as 43,560 square feet makes it convenient for measuring land plots and properties.

Common

Are

a

The are is a metric unit that equals 100 square meters. While it was designed as part of the metric system, it's rarely used in modern practice, with hectares being preferred for larger areas and square meters for smaller ones.

Hectare

ha

The hectare is the most widely used metric unit for measuring land area, particularly in agriculture, forestry, and real estate. It's specifically designed as a practical unit for land measurement.

Common Scientific

Square Centimeter

cm²

The square centimeter represents the area of a square with sides of 1 centimeter. It's frequently used for measuring the surface area of objects in everyday contexts and science.

Common Scientific

Square Foot

ft²

The square foot is the most commonly used imperial unit for measuring indoor and building floor space in the United States. Real estate listings and construction specs primarily use square feet.

Common

Square Inch

in²

The square inch represents the area of a square with sides of 1 inch. It's commonly used in technical specifications, plans, and construction materials in English-speaking countries.

Common

Square Kilometer

km²

The square kilometer is used for measuring large geographic areas such as cities, regions, and countries. One square kilometer equals 100 hectares.

Common Scientific

Square Meter

The square meter is the SI unit of area and is universally used for measuring building floor space, property plots, and large surface areas. It's the foundation for larger area units like hectares.

Common Scientific

Square Mile

mi²

The square mile is the imperial unit for measuring large land areas and geographic regions. It's used for city sizes, state areas, and other large-scale geographic measurements.

Common

Square Millimeter

mm²

The square millimeter is the base unit for area conversions in the metric system. It represents the area of a square with sides of 1 millimeter.

Scientific

Square Yard

yd²

The square yard is useful for measuring medium-sized land areas and is sometimes used for fabric and carpet measurements. It sits between square feet and acres in the imperial system.

Quick Facts

Total Units

11

Commonly Used

8

Scientific Units

5