Area Converter

Convert between m², km², acres, and hectares.

Calculators

How to Use Area Converter

  1. 1Enter an area value
  2. 2Select the source unit
  3. 3See all other unit equivalents instantly

About Area Converter

The Area Converter instantly converts any area value between all common metric and imperial units. Enter a value in square meters, acres, or any other unit and see all equivalents — from square millimeters to square miles — displayed at once.

The converter includes everyday units for measuring rooms and plots (square meters, square feet), agricultural land measurements (acres and hectares), and large geographic areas (square kilometers and square miles). All conversions use precise factors derived from the international length standards.

All processing runs in your browser with no server calls. Whether you are a real estate professional, a student working on a geography problem, or someone converting land measurements between systems, results are instantly available.

Key Features of Area Converter

  • Convert between mm², cm², m², and km² (metric area units)
  • Convert between in², ft², yd², and mi² (imperial area units)
  • Includes acres and hectares for land area measurements
  • All equivalents shown simultaneously in one view
  • High-precision conversion factors derived from length standards
  • Accepts decimal and large number inputs
  • Instant results as you type
  • Fully browser-based with no server dependency

Supported Formats

Input Formats

Square millimeter (mm²)Square centimeter (cm²)Square meter (m²)Square kilometer (km²)Square inch (in²)Square foot (ft²)Square yard (yd²)AcreHectare (ha)Square mile (mi²)

Output Formats

Square millimeter (mm²)Square centimeter (cm²)Square meter (m²)Square kilometer (km²)Square inch (in²)Square foot (ft²)Square yard (yd²)AcreHectare (ha)Square mile (mi²)

1 acre = 4,046.856 m². 1 hectare = 10,000 m². 1 square mile = 2.58999 km². Area conversion factors are the squares of the corresponding length factors.

Examples

Convert square meters to square feet

Convert a 50 m² apartment floor area to square feet for a US listing.

Input

50 square meters

Output

538.2 square feet | 0.0124 acres

Convert acres to hectares

Convert a 5-acre farm plot to hectares for an international buyer.

Input

5 acres

Output

2.023 hectares | 20,234 m²

Common Use Cases

  • Converting apartment or house floor areas between m² and ft²
  • Comparing land areas listed in acres vs hectares for real estate
  • Converting geographic region sizes between km² and square miles
  • Calculating garden or farm plot sizes in preferred units
  • Academic geography and science unit conversion exercises
  • Converting material coverage areas for construction projects

Troubleshooting

Applying linear conversion factors to area

Solution

1 m = 3.281 ft, but 1 m² does NOT equal 3.281 ft². Area requires squaring the linear factor: 1 m² = 3.281² = 10.764 ft². Always use the area converter for area values.

Confusing acres and hectares

Solution

1 acre = 0.4047 hectares. 1 hectare = 2.471 acres. Hectares are the metric land area unit; acres are the imperial land area unit. They differ by a factor of approximately 2.47.

Entering a length value instead of an area value

Solution

Area values represent a two-dimensional space (length x width). If you have a rectangular area, multiply length x width first to get the area before converting.

Frequently Asked Questions

Which area units are supported?

Square millimeter, square centimeter, square meter, square kilometer, square inch, square foot, square yard, acre, hectare, and square mile.

What is a hectare?

A hectare is a metric unit of area equal to 10,000 square meters (100 m x 100 m). It is widely used in agriculture and land measurement worldwide.

What is an acre?

An acre is an imperial unit of area equal to 4,046.856 square meters. It is commonly used for land measurement in the US, UK, and many other English-speaking countries.

How many square feet are in a square meter?

1 square meter = 10.7639 square feet. This is the square of the linear conversion factor (1 m = 3.2808 ft, so 1 m² = 3.2808² = 10.7639 ft²).

Can I convert very large areas like countries or continents?

Yes. The converter handles very large values without precision loss. For example, you can convert the area of France (551,695 km²) to square miles.

How does this differ from a length converter?

Length converters handle one-dimensional measurements. Area converters handle two-dimensional measurements. The conversion factors for area are the squares of the corresponding length factors.

Is this useful for agriculture?

Yes. Farmers and agricultural professionals often need to convert between acres and hectares for international land comparisons, crop yield calculations, or government reporting.

Is my data private?

Yes. All conversions run entirely in your browser. No values are transmitted to any server.