1 kHz = 1,000 Hz. 1 MHz = 1,000 kHz. 1 GHz = 1,000 MHz. 1 Hz = 60 RPM = 60 BPM (one cycle per second).
Example: a 3.5 GHz processor runs 3,500 MHz or 3.5 billion cycles per second; an engine at 3,000 RPM turns at 50 Hz.
1 Hz equals 60 RPM. Divide RPM by 60 to get hertz.
1 GHz = 1,000 MHz.
See also: time converter · speed converter · angle converter