Area Converter
Convert areas between square meters (m²), acres, hectares (ha), square kilometers (km²), and more. This tool provides accurate, real-time conversions and works entirely in your browser.
How Area Conversion Works
Area measurement is essential for land management, construction, and agricultural planning. Different measurement systems (metric vs imperial) and regional units make conversion crucial for international projects and comparisons.
Conversion Formulas Between Common Units
Acres ↔ Hectares
1 acre = 0.404686 hectares
1 hectare = 2.47105 acres
Square Meters ↔ Square Feet
1 m² = 10.7639 ft²
1 ft² = 0.092903 m²
Square Kilometers ↔ Square Miles
1 km² = 0.386102 mi²
1 mi² = 2.58999 km²
Common Area References
- Football Field5,351 m²1.32 acres / 0.535 ha
- Central Park3.41 km²1.32 mi² / 843 acres
- Average House Lot929 m²0.23 acres / 0.0929 ha
- Olympic Pool1,250 m²0.31 acres
- Manhattan Island59.1 km²22.8 mi² / 14,600 acres
- Soccer Field7,140 m²1.76 acres / 0.714 ha
Mathematical Formulas
Area of a Rectangle
A = length × width
Area of a Circle
A = π × r²
where r is the radius
Area of a Triangle
A = ½ × base × height
Area of a Trapezoid
A = ½ × (a + b) × h
where a and b are parallel sides and h is height