In 1 square kilometer / hour there is 430556.40625 square inch / second [in² / s].

square centimeter / hour square centimeter / minute square centimeter / second square foot / hour [ft² / hr] square foot / minute [ft² / min] square foot / second [ft² / s] square inch / hour [in² / hr] square inch / minute [in² / min] square inch / second [in² / s] square kilometer / hour square kilometer / minute square kilometer / second square meter / hour [m² / hr] square meter / minute [m² / min] square meter / second [m² / s] square millimeter / hour square millimeter / minute square millimeter / second stoke [St]

square centimeter / hour square centimeter / minute square centimeter / second square foot / hour [ft² / hr] square foot / minute [ft² / min] square foot / second [ft² / s] square inch / hour [in² / hr] square inch / minute [in² / min] square inch / second [in² / s] square kilometer / hour square kilometer / minute square kilometer / second square meter / hour [m² / hr] square meter / minute [m² / min] square meter / second [m² / s] square millimeter / hour square millimeter / minute square millimeter / second stoke [St]