Area & Surface Converters

About Area Units

Area measures the size of a two-dimensional surface. In the metric system, area units are derived from length units by squaring them. The square meter (m²) is the SI unit of area.

• Square Kilometer (km²): 1,000,000 m², used for countries, cities, and large regions
• Hectare (ha): 10,000 m² (or 0.01 km²), commonly used for agricultural land and parks
• Square Meter (m²): The SI unit of area, used for rooms, apartments, and small plots
• Square Centimeter (cm²): 0.0001 m², used for paper sizes and small surfaces
• Square Millimeter (mm²): 0.000001 m², used for cross-sections and tiny areas

Key Conversion Relationships

• 1 km² = 1,000,000 m² (square the 1,000)
• 1 ha = 10,000 m²
• 1 m² = 10,000 cm² (square the 100)
• 1 cm² = 100 mm² (square the 10)

Area conversions are essential in real estate, construction, agriculture, and interior design. Understanding these relationships helps with calculating paint coverage, flooring needs, land prices, and garden planning.