Converters
Area Converter
Convert between square meters, acres, hectares, square feet, square yards, and square miles. Use it for hectares to acres, acres to square meters, or any pair of area units in the list.
Free to use — no sign-up or login.
This page converts an area you already know. One international acre is 4046.8564224 m², which displays as 4046.86 m². One hectare is 10,000 m², or 2.47105 acres.
If you still have a width and a length, measure them on the acreage calculator first. This page does not multiply two sides.
Hectares and acres
Set hectares to acres to apply 2.47105. The reverse, acres to hectares, is the same factor divided the other way. Both use the international acre, not a survey acre.
Square feet and square meters
One square foot is 0.09290304 m². A square yard is 0.83612736 m². Those factors match the length converter’s foot of 0.3048 m, squared.
Worked example: 1 acre
From acres to square meters, 1 acre displays as 4046.86 m². From hectares to acres, 1 ha displays as 2.47105 acres.
\[ 1\,\mathrm{acre}=4046.8564224\,\mathrm{m}^{2} \]
Frequently asked questions
How do I convert hectares to acres?
Multiply by 2.47105, or set from hectares and to acres. One hectare displays as 2.47105 acres.
How many square meters are in an acre?
4046.8564224 exactly. The screen shows 4046.86.
Does this page accept a length and a width?
No. Enter an area. The acreage page multiplies the sides.
Is a hectare larger than an acre?
Yes. A hectare is 10,000 m² and an acre is about 4047 m².
Which acre is this?
The international acre. A US survey acre is a slightly different historical unit and is not in the list.
References
Assumptions and limitations
Six significant digits on the result. No plot sketch and no price. Square inches and square miles are in the list; survey acres are not.