Area Unit Converter

Enter an area value in any field to see equivalent measurements across metric, imperial, U.S., traditional Chinese, agricultural, and specialized mapping systems.

Metric System

International System of Units commonly used for land planning and architecture.

Nanometers Squared (nm²)

Micrometers Squared (µm²)

Millimeters Squared (mm²)

Centimeters Squared (cm²)

Meters Squared (m²)

Kilometers Squared (km²)

Hectares (ha)

Ares (a)

Imperial & U.S. Customary

Traditional square measures used in construction, surveying, and real estate.

Square Inches (in²)

Square Feet (ft²)

Square Yards (yd²)

Square Chains (ch²)

Square Miles (mi²)

Acres (ac)

Traditional Chinese Units (市制)

Modern decimalized Chinese area units still used for land measurement.

Square Cun (平方寸)

Square Chi (平方尺)

Mu (亩)

Agricultural Units

Units widely used in farming, forestry, and land use planning.

Homesteads (US)

Townships (US)

Square Rods (perch)

Specialty & Cartography Units

Additional area measures for nautical charts, mapping, and industrial applications.

Barns (b)

Circular Mils (cmil)

Square Nautical Miles (NM²)

Tips for accurate area conversions

Fields support decimal values; use keyboard arrows or scroll for fine adjustments.
Scientific notation appears automatically for extremely large or small areas to keep results legible.
All conversions use the SI definition of the square meter as the base reference.