how many khz are in a mhz?
<answer> 1 megahertz = 1000 kilohertz <context> 1,000,000 Hertz = 1000 kilohertz = 1 megahertz. Radio is usually thought of beginning at frequencies of approximately 5 kHz, although most available receivers can only tune down to about 150 kHz. The term wavelength is left over from the early days of radio.