Unit conversion category

Area Converter

Convert land, floor, and surface area units with accurate metric and customary factors.

Featured Units

Square Millimeter

Square Centimeter

Square Meter

Square Kilometer

Square Inch

Square Foot

Square Yard

Acre

Hectare

Square Mile

Area measures the size of a two-dimensional surface.

Area units are used for rooms, fields, lots, maps, materials, and surface coverage.

Real estate, agriculture, construction, surveying, manufacturing, and GIS rely on area conversions.

Area units square the underlying length relationship, so one square foot is not one third of a square yard; it is one ninth.

What is the base unit for area conversions?

Area conversions normalize through the square meter, the SI derived unit for area.

How many square feet are in an acre?

One acre equals exactly 43,560 square feet.

When should I use hectares instead of acres?

Hectares are common in metric land measurement, while acres are common in US and Imperial land contexts.

Explore a popular converter to get a fast, clearly explained result.