Length converter
Convert metres, feet, inches and more.
Open toolConvert square kilometres (km²) to square inches (in²) with a copyable result.
Enter a value in square kilometres, choose your display precision, and select Convert. Use Swap units to calculate the reverse direction.
Area conversion: multiply the value in km² by 1550003100.01 to obtain in². Both units are related through square metres.
1 km² = 1550003100.01 in².
Uses area units as labelled. Floating-point arithmetic is approximate; results show up to 12 significant digits. Very large or small results use scientific notation.