How many Hz is 120 rpm?
120 rpm = 2 Hz
It is 2 Hz, so saying 2 Hz is fine — rounding is within 0.5%.
And how many rpm is 120 Hz?
120 Hz = 7,200 rpm
Formula: Hz = rpm × 0.016667
rpm to Hz around this value
30 rpm0.5Hz
40 rpm0.6667Hz
50 rpm0.8333Hz
60 rpm1Hz
70 rpm1.1667Hz
80 rpm1.3333Hz
90 rpm1.5Hz
100 rpm1.6667Hz
110 rpm1.8333Hz
120 rpm2Hz
130 rpm2.1667Hz
140 rpm2.3333Hz
150 rpm2.5Hz
160 rpm2.6667Hz
170 rpm2.8333Hz
180 rpm3Hz
190 rpm3.1667Hz
200 rpm3.3333Hz
210 rpm3.5Hz
220 rpm3.6667Hz