Conversion in the opposite direction
The inverse of the conversion factor is that 1 kilometer per hour is equal to 0.000402576489533011 times 690 meters per second.
It can also be expressed as: 690 meters per second is equal to kilometers per hour.
An approximate numerical result would be: six hundred and ninety meters per second is about two thousand, four hundred and eighty-four kilometers per hour, or alternatively, a kilometer per hour is about zero times six hundred and ninety meters per second.
 The precision is 15 significant digits (fourteen digits to the right of the decimal point).Results may contain small errors due to the use of floating point arithmetic.