Rpmto Hertz Converter
Our free signal & frequency converter handles rpmto hertz conversions. See tables, ratios, and examples for quick reference.
Reviewed for accuracy by Manoj Kumar, Mathematics Educator
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Formula: Hertz = RPM / 60 | RPM = Hertz * 60
Worked example โ 2,400 RPM = 40 Hz | 251.33 rad/s
Hertz = RPM / 60 | RPM = Hertz * 60
Divide RPM by 60 to get hertz since there are 60 seconds per minute. Angular velocity = 2*pi*Hz in rad/s. Linear speed = circumference * frequency for rotating wheels or shafts.
Problem:A car engine runs at 2,400 RPM. Convert to hertz and find wheel speed with 650mm tires.
Solution:Frequency = 2400 / 60 = 40 Hz Angular velocity = 2 * pi * 40 = 251.33 rad/s Wheel circumference = pi * 0.65 = 2.042 m Linear speed = 2.042 * 40 = 81.68 m/s (with direct drive)
Result:2,400 RPM = 40 Hz | 251.33 rad/s
Problem:Convert a 1,750 RPM industrial motor speed to hertz.
Solution:Frequency = RPM / 60 f = 1750 / 60 = 29.1667 Hz Period = 1 / 29.1667 = 0.03429 seconds Angular velocity = 2 * pi * 29.1667 = 183.26 rad/s
Result:1,750 RPM = 29.17 Hz (period = 34.29 ms)
To convert RPM to hertz, divide the RPM value by 60. RPM stands for revolutions per minute, while hertz measures cycles (revolutions) per second. Since there are 60 seconds in a minute, dividing by 60 converts from per-minute to per-second. For example, 3,600 RPM divided by 60 equals 60 Hz, which is the standard US power line frequency.
Reviewed for accuracy by Manoj Kumar, Mathematics Educator ยท Editorial policy
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