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Area Converter
Whether you are a real estate professional, land surveyor, farmer, or simply planning home renovation projects, converting area units can quickly get complex. Between the metric system, land measurement units, and the Imperial or US customary systems, equivalences are not always easy to keep in mind.
Our free online area converter was designed to simplify all your calculations. It allows you to instantly convert values from one unit to another with optimal precision.
Why Use an Area Unit Conversion Tool?
Accurately estimating surface area is essential across various daily and professional fields:
- Real Estate & Construction: Precisely evaluate living space in square meters (m²) or square feet (sq ft) during property transactions, surveying, or building renovations.
- Agriculture & Land Management: Quickly convert agricultural field and plot sizes expressed in hectares (ha), ares (a), or centiares (ca).
- International Projects: Seamlessly convert between the standard metric system and the US/Imperial system (acres, square yards, square miles).
Practical Guide: Understanding Main Area Measurement Units
The Standard Metric System
The base unit of area in the International System of Units (SI) is the square meter (m²), which represents the area of a square with sides of 1 meter.
- Square Kilometer (km²): Used for large geographical land areas (1 km² = 1,000,000 m²).
- Square Centimeter (cm²): Used for small surface areas and technical drawings (1 m² = 10,000 cm²).
Metric Land Units (Hectare, Are, Centiare)
These units are specifically used in cadastral, land ownership, and agricultural sectors:
- 1 Hectare (ha): Equals 10,000 m² (the area of a square measuring 100 meters per side).
- 1 Are (a): Equals 100 m².
- 1 Centiare (ca): Equals exactly 1 m².
The Imperial & US Customary System
Widely used across English-speaking countries (United States, United Kingdom, Canada):
- Square Foot (sq ft / ft²): The standard unit for residential and commercial real estate (1 m² ≈ 10.764 ft²).
- Acre (ac): The primary land measurement unit in the imperial system (1 acre ≈ 4,046.86 m² or about 0.40 hectares).
Complete Area Unit Conversion Table.
| System | Unit | Abbreviation | Exact Value in Square Meters (m²) |
|---|---|---|---|
| Standard Metric System | Square Meter | m² | 1 m² |
| Square Kilometer | km² | 1,000,000 m² | |
| Square Hectometer | hm² | 10,000 m² | |
| Square Decameter | dam² | 100 m² | |
| Square Decimeter | dm² | 0.01 m² | |
| Square Centimeter | cm² | 0.0001 m² | |
| Square Millimeter | mm² | 0.000001 m² | |
| Metric Land Units | Hectare | ha | 10,000 m² |
| Are | a | 100 m² | |
| Centiare | ca | 1 m² | |
| Imperial & US System | Square Foot | sq ft / ft² | 0.09290304 m² |
| Square Yard | sq yd / yd² | 0.83612736 m² | |
| Square Inch | sq in / in² | 0.00064516 m² | |
| Acre | ac | 4,046.8564224 m² | |
| Square Mile | sq mi / mi² | 2,589,988.110336 m² | |
| Rood | rood | 1,011.7141056 m² | |
| Perch / Square Rod | perch / rd² | 25.29285264 m² | |
| Other Specialized Units | Square Nautical Mile | sq nmi | 3,429,904 m² |
| Square Arpent (Canada / Louisiana) | arpent | 3,418.89 m² | |
| Barn | b | 1×10−28 m² |
How to Use the Area Converter Calculator?
- Type the number you want to convert into the Value to convert input field.
- Select your starting unit from the From unit drop-down menu.
- Instantly view the real-time conversion across all metric, land, and imperial measurement units.
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Area Converter – Convert Area Units Instantly
Area Converter – Convert Area Units Instantly
Area Converter – Convert Area Units Instantly