swap units ↺

1 Square Kilometer =

1.5500031 x 10^{9} Square Inches

(rounded to 8 digits)

A square kilometer, or square kilometre, is a unit of area. It is the size of a square that is one kilometer on a side. It is 1 million square meters, 100 hectares, about 247 acres, or about 0.386 square miles.

A square inch is a unit of area. It is the size of a square that is one inch on a side. It is 1/144^{th} of a square foot, or exactly 6.4516 square centimeters.