API
EN
English 中文 Español Português Français
Not signed in Access your API key, usage and plan.
Log in Create free account Developer API
9 units · 72 conversions

Area Converter

Convert square meters, acres, hectares, square feet and more.

Popular Area conversions

Square Meters to Square Kilometers m² → km² Square Meters to Square Centimeters m² → cm² Square Meters to Square Feet m² → ft² Square Meters to Square Yards m² → yd² Square Meters to Square Inches m² → in² Square Meters to Square Miles m² → mi² Square Meters to Acres m² → ac Square Meters to Hectares m² → ha Square Kilometers to Square Meters km² → m² Square Kilometers to Square Centimeters km² → cm² Square Kilometers to Square Feet km² → ft² Square Kilometers to Square Yards km² → yd² Square Kilometers to Square Inches km² → in² Square Kilometers to Square Miles km² → mi² Square Kilometers to Acres km² → ac Square Kilometers to Hectares km² → ha Square Centimeters to Square Meters cm² → m² Square Centimeters to Square Kilometers cm² → km² Square Centimeters to Square Feet cm² → ft² Square Centimeters to Square Yards cm² → yd² Square Centimeters to Square Inches cm² → in² Square Centimeters to Square Miles cm² → mi² Square Centimeters to Acres cm² → ac Square Centimeters to Hectares cm² → ha Square Feet to Square Meters ft² → m² Square Feet to Square Kilometers ft² → km² Square Feet to Square Centimeters ft² → cm² Square Feet to Square Yards ft² → yd² Square Feet to Square Inches ft² → in² Square Feet to Square Miles ft² → mi²

All Area conversions (72)

All Area units

Square Meters m² Square Kilometers km² Square Centimeters cm² Square Feet ft² Square Yards yd² Square Inches in² Square Miles mi² Acres ac Hectares ha

About Area

Area covers the nine units used to describe surfaces and land: square meters, square kilometers and square centimeters in metric, square feet, square yards, square inches and square miles in imperial and US customary use, plus acres and hectares, the two units the world uses for land. The people who need these are usually buying, building or planting. Property listings quote floor space in square feet in the US and square meters nearly everywhere else, flooring and paint are sold by area, land and farms are sold by the acre or the hectare, and gardeners plan beds in square meters. The most used pages are square meters to square feet, square feet to square meters, acres to hectares and hectares to acres.

The gotcha in this category trips up almost everyone at least once. Area units are squared, so their conversion factors are not the same as the length factors they are built from. If you know how to convert meters to feet, you cannot reuse that number for square meters to square feet, because the factor has to be squared as well. The practical consequence is that area differences between systems are much bigger than they feel, and estimating by eye from a length conversion will put you badly wrong on a flooring order. The land units are worth understanding too. The acre is an old imperial unit still standard for property in the US, the UK and much of the English-speaking world, while the hectare is the metric land unit used across Europe and in agricultural statistics everywhere. They are different sizes, and since the same field may be advertised in either, converting between them is one of the most common jobs this hub handles. At the small end, square centimeters and square inches turn up in materials, screens and print specifications rather than in property.

Every pair page gives you the formula it used, a worked example, and a reference table of common areas so you can look up a typical figure without typing. There is no charge, no account and no limit, and all the maths runs in your browser, so nothing you enter goes to a server. If you are working from the dimensions of a room rather than a finished area, start at the length converter and square the result here.

Frequently asked questions

Why can I not use the meters to feet factor for square meters to square feet?

Because area is a squared quantity. When you convert a length you apply the factor once, but when you convert an area you are converting in two dimensions at once, so the factor has to be squared too. Using the plain length factor on an area will give you an answer that is far too small, which is a classic way to under-order flooring or paint. The square meters to square feet page applies the correct squared factor for you.

What is the difference between an acre and a hectare?

Both measure land, but they come from different systems and are different sizes, with the hectare being the larger. The acre is an imperial unit still standard for property in the US, the UK, and much of the English-speaking world. The hectare is the metric land unit used across Europe and in international agricultural data. The same plot can be advertised in either, so the acres to hectares page and its reverse are among the busiest here.

Which unit are homes measured in?

It depends entirely on the country. US property listings almost always give floor area in square feet, while most of the rest of the world uses square meters. That is the single most common conversion people need in this category, in both directions, and the square feet to square meters page covers it. For land rather than buildings, acres and hectares take over.

Do these pages cost anything or need a login?

No. Every area conversion page is free, requires no account and has no usage cap. The calculation runs in your browser rather than on a server, so the measurements you type stay on your own device. You can bookmark any pair page and return straight to it.

Other converters

Length Weight & Mass Temperature Volume Speed Digital Storage Time Pressure Energy Angle Power Frequency Force