Conversion in the opposite direction
The inverse of the conversion factor is that 1 kilometer per hour is equal to 0.000664153509785638 times 813 knots.
It can also be expressed as: 813 knots is equal to kilometers per hour.
An approximate numerical result would be: eight hundred and thirteen knots is about one thousand, five hundred and five point six eight kilometers per hour, or alternatively, a kilometer per hour is about zero times eight hundred and thirteen knots.
 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.