Area Converter

Convert between square meters, hectares, acres, square feet, square miles, and more instantly.

Value
From
To
1 sq meter = — Acre
Common Area Conversions
FromToResult
1 m²sq feet10.7639 ft²
1 Hectarem²10,000 m²
1 HectareAcres2.47105 ac
1 Acrem²4,046.86 m²
1 km²Hectares100 ha
1 sq milekm²2.58999 km²
1 sq mileAcres640 ac
1 ft²m²0.092903 m²

Frequently Asked Questions

One acre equals 4,046.856 square meters. An acre was historically defined as the area that could be ploughed in one day with a yoke of oxen. It is used primarily in the US, UK, and other countries for measuring land.
A hectare is a metric unit of area equal to 10,000 square meters (100m × 100m) or 2.471 acres. It is the most commonly used unit for measuring land areas internationally and in agriculture. One square kilometer equals 100 hectares.
One square meter equals 10.7639 square feet. Square feet are widely used in the United States and UK for measuring floor space and real estate. Square meters are used in most other countries.
There are exactly 640 acres in a square mile. A square mile is 1 mile × 1 mile = 2.58999 km². Sections of land in the US Public Land Survey System are each 1 square mile, divided into 640 one-acre plots.
Multiply square meters by 10.7639 to get square feet. For a quick estimate, multiply by 10.75. For example, a 50 m² apartment ≈ 538 sq ft. To go the other way, multiply square feet by 0.0929 to get square meters.
An acre is 43,560 square feet or 4,046.86 square meters. Historically it was defined as the area a yoke of oxen could plough in a day. A standard American football field (including end zones) is about 1.32 acres. One acre is roughly the size of a city block in many US cities.
A hectare = 10,000 m², while an acre = 4,046.86 m². One hectare equals approximately 2.471 acres. Hectares are the international standard for measuring land and are used by the UN for agricultural statistics. Acres are mainly used in the US, UK, and countries with British measurement heritage.
For a rectangular room, multiply length × width in the same units to get area. For example, a room 5 m × 4 m = 20 m². For irregular rooms, break them into rectangles, calculate each, and add them up. Always measure in consistent units before converting.
Bigha and katha are traditional South Asian land area units that vary by region. In Bangladesh, 1 bigha = 1,338 m² and 1 katha = 66.89 m² (20 katha = 1 bigha). In India, values differ by state — a bigha in West Bengal is different from one in Rajasthan. These units are still widely used in rural land transactions.
A square yard = 9 square feet = 0.8361 m². It is used primarily in the US and UK for carpet, flooring, fabric, and some construction materials. When buying carpet or turf, prices are often quoted per square yard. One square yard equals 3 feet × 3 feet.

About This Area Converter

This free area converter converts between square metres, square kilometres, square feet, square miles, acres, hectares, and other area units. Enter a value and the result updates instantly.

When to use this converter

  • Converting land or property area between metric and imperial units
  • Comparing field sizes for agriculture or construction planning
  • Translating floor plans between unit systems for international projects
  • Converting map areas between km², square miles, and hectares

Standards & References

Related Converters

Length Converter Volume Converter Weight Converter Speed Converter

Related Articles

In-depth guides and technical articles.

View all →
Converters Aug 14, 2026
Why One 18-Inch Pizza Beats Two 12-Inch Ones: Area Scaling
Doubling a dimension quadruples the area. That single rule explains pizza pricing, paint quantities, solar output, and why big rooms are cheaper to heat per square metre.
Converters Jun 29, 2026
Why a 24 MP Full-Frame Camera Beats a 48 MP Smartphone — Area Measurement From Pixel Density to Body Surface Area
Pixel density, camera sensor size, semiconductor die area, and human body surface area are all area measurements at different scales — from nanometres² to m². Here's why a 24 MP full-frame camera outperforms a 48 MP smartphone camera in low light (pixel area and light collection), why Apple's M1 Ultra fits 88 million transistors per mm², why BSA in m² matters for burn assessment and chemotherapy dosing, and why a "1-inch" camera sensor isn't actually 1 inch.
Converters Jun 22, 2026
Why Hectares Were Designed for Farmers and How Area Measurement Works in Agriculture, Carbon, and Urban Planning
The hectare was deliberately designed as a human-scale agricultural unit (100m × 100m = 10,000 m²), sitting between the too-small square metre and too-large square kilometre for farm use. Here's why carbon sequestration and deforestation rates are expressed in hectares, why US bushel-per-acre and international tonne-per-hectare crop yield data require crop-specific conversion factors, and why urban density comparisons break down when cities use different area boundary definitions.
Converters Jun 19, 2026
Comparing Property Prices Across Countries: Why "$500/sqft vs €4,500/sqm" Isn't What It Looks Like
"$500 per square foot" and "€4,500 per square meter" might represent nearly identical value — but a naive comparison without converting units first could make one market look 9x more expensive than it actually is. Here's the two-step conversion (area units, then currency) needed for valid international price-per-area comparisons, why GIA/NIA definitional differences compound with unit conversion, and why land-area and floor-area price comparisons answer different questions entirely.
Converters Jun 12, 2026
How Property Floor Area Is Measured: GIA, NIA, and Why UK and US Numbers Aren't Comparable
UK properties use Gross Internal Area, US uses Gross Living Area — and the same building measured both ways gives different numbers. Here's GIA vs NIA vs GEA, how Germany and France mandate floor area disclosure differently, how to calculate price per m² for property comparison, and why EPC certificates are the most reliable floor area source.