Choose conversion factor:
square millimetre (mm²) to square inch (in²) hectares (ha) to square mile square metre (m²) to square foot (ft²) square yard (yd²) to square metre (m²) acre to hectare (ha) square mile to hectares (ha) square inch (in²) to square millimetre (mm²) square foot (ft²) to square metre (m²) hectare (ha) to square metre (m²) hectare (ha) to acre square metre (m²) to square yard (yd²)
Type in number of
