KH/s

       Kilo = 1,000 hashes per second

     KH/s is a denomination of hash-rate capabilities & a shorted way of saying Kilo-Hashes per Second.

Reference table: 
– 1 kH/s is 1,000 (one thousand) hashes per second
– 1 MH/s is 1,000,000 (one million) hashes per second.
– 1 GH/s is 1,000,000,000 (one billion) hashes per second.
– 1 TH/s is 1,000,000,000,000 (one trillion) hashes per second.
– 1 PH/s is 1,000,000,000,000,000 (one quadrillion) hashes per second.
– 1 EH/s is 1,000,000,000,000,000,000 (one quintillion) hashes per second.