by Guest » Mon Jan 10, 2005 2:01 am
k means "kilo". Nm (more properly N·m) means "newton-metres". So, you want to convert from kilonewton-metres to pounds-force per foot. 0.9 kN·m is 900 N·m, and 900 N·m times 0.7376 is 663.84 lbf.
Disclaimer: I make no claims to the accuracy of this answer.