Area Converter

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   What’s great about our Area Converter

   Fast, accurate conversion of areas and land sizes that you can see and drag

   • Free
   • Converts square meters, square kilometers, acres, hectares and square feet instantly
   • Synced sliders and type-in boxes
   • No sign-up
   • No ads
   • Works offline once loaded
   • No daily limit
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   Choose which units to show

   Use the unit names at the top to show or hide each card. Drag a name or a card’s title to rearrange them; your order is remembered in this browser, and Restore puts the original order back.

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   Drag a slider or type a value

   Move any slider, or type a number into its “Type Value” box, and every visible unit updates instantly. The sliders are logarithmic, so each step along a slider multiplies the value, and one slider covers very small to very large amounts.

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   Widen the range

   Turn on “Wider Range” to widen every slider’s range to cover more extreme values.

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What is Area?

Area is the amount of flat surface a shape covers, such as a floor, a field or a country. It is measured in squared units, so the metric system uses square meters and square kilometers, while land is often sold in acres or hectares and homes in square feet.

About Square Meters (m²)

The square meter is the SI unit of area: the area of a square with sides of one meter.

• 1 m² = 10,000 cm², and 1,000,000 m² = 1 km²
• 1 m² is about 10.764 ft²
• Homes and rooms are measured in square meters in most countries

About Square Kilometers (km²)

A square kilometer is the area of a square with sides of one kilometer. It is used for countries, cities, lakes and large areas of land.

• 1 km² = 1,000,000 m² = 100 hectares
• 1 km² is about 247.1 acres, or 0.3861 square miles
• Monaco covers about 2 km²

About Acres (ac)

The acre is an imperial and US customary unit of land area, equal to exactly 4,046.8564224 square meters.

• 1 acre = 43,560 ft², or about 0.4047 hectares
• 640 acres = 1 square mile
• Farms and building plots are commonly sold by the acre in the US and UK

About Hectares (ha)

The hectare is a metric unit of land area equal to 10,000 square meters: the area of a square 100 meters on each side.

• 1 ha is about 2.471 acres, and 100 ha = 1 km²
• Used for farmland and forests
• A soccer pitch is about 0.7 hectares

About Square Feet (ft²)

The square foot is an imperial and US customary unit of area, equal to exactly 0.09290304 square meters.

• 1 ft² = 144 in², and 9 ft² = 1 square yard
• 1 ft² is about 929 cm²
• Home and office sizes are quoted in square feet in the US