Area Converter
Convert between 9 units of area — square meters, square kilometers, square feet, square inches, square yards, square miles, hectares, and acres.
Quick conversions
All units
About the Area Converter
Area quantifies the size of a two-dimensional surface. The SI unit is the square meter (m²). Land area uses hectares (10,000 m²) in most of the world and acres (4,047 m²) in the US and UK. For very large regions, square kilometres or square miles are used. Knowing how to convert between these units is essential in real estate, agriculture, and cartography.
Quick facts
- ›One hectare equals 10,000 m² or approximately 2.471 acres
- ›One acre was historically the area one man could plough in a single day
- ›The total land area of Earth is approximately 149 million km²
- ›One square mile contains exactly 640 acres
Common uses: Real estate, agriculture, urban planning, cartography, construction, ecology