Area Converter

Convert square feet, square meters, acres, hectares and every other common unit of area.

Popular area conversions

square feet to square meters square meters to square feet acres to square feet hectares to acres

Area unit reference chart

What one of each unit is worth in square meters, the base unit used for every conversion in this category.

Area units expressed in square meters
Unit	Symbol	1 unit in m²
square meters	m²	1 m²
square feet	ft²	0.09290304 m²
acres	ac	4,046.856422 m²
hectares	ha	10,000 m²
square kilometers	km²	1,000,000 m²
square miles	mi²	2,589,988.11 m²
square yards	yd²	0.83612736 m²
square inches	in²	0.00064516 m²
square centimeters	cm²	0.0001 m²
square millimeters	mm²	0.000001 m²
ares	a	100 m²

Area units explained

Square meters (m²)

The square meter is the SI unit of area — the area of a square one meter on each side.

Square feet (ft²)

The square foot is exactly 0.09290304 square meters. It is the standard unit for stating floor area in US and UK real estate.

Acres (ac)

The acre is exactly 4,046.8564224 square meters, historically the area one ox team could plough in a day. It is the standard unit of land area in the US and UK.

Hectares (ha)

A hectare is 10,000 square meters — a square 100 m on each side. It is the metric standard for land and agricultural area.

Square kilometers (km²)

A square kilometer is one million square meters, or 100 hectares. It is the standard unit for the area of towns, lakes and countries.

Square miles (mi²)

A square mile is exactly 640 acres, or about 2.59 square kilometers. It is the unit used for US county and city areas.

Square yards (yd²)

A square yard is 9 square feet, or about 0.836 square meters. Carpet and turf are commonly priced by the square yard.

Square inches (in²)

A square inch is exactly 6.4516 square centimeters, and there are 144 of them in a square foot. Material strength and pressure ratings are quoted per square inch.

Square centimeters (cm²)

A square centimeter is one ten-thousandth of a square meter — the area of a square one centimeter on each side.

Frequently asked questions

What is the base unit of area?

This converter routes every area conversion through the square meter. Converting from one unit to another means converting to square meters first and then out again, which keeps every pair consistent with every other pair.

How accurate are these area conversions?

Results are shown to 10 significant digits using exact defined factors wherever a unit has one. No rounding is applied beyond that final display step.

All area conversions

Every area conversion page on this site, 86 in total.