# Beta version#

BETA TEST VERSION OF THIS ITEM

This online calculator is currently under heavy development. It may or it may NOT work correctly.

You CAN try to use it. You CAN even get the proper results.

However, please VERIFY all results on your own, as the level of completion of this item is NOT CONFIRMED.

Feel free to send any ideas and comments !

This online calculator is currently under heavy development. It may or it may NOT work correctly.

You CAN try to use it. You CAN even get the proper results.

However, please VERIFY all results on your own, as the level of completion of this item is NOT CONFIRMED.

Feel free to send any ideas and comments !

# Inputs data - value and unit, which we're going to convert#

Value | ||

Unit | ||

Decimals |

# SI system#

Unit | Symbol | Symbol (plain text) | Value | Notes |

terahertz | Show source$THz$ | THz | 1×10^{-12} | Derived frequency unit in SI system. One terahertz is equal to one trillion of hertzs: $1 THz = 1000\ 000\ 000\ 000 Hz = 10^{12} Hz$ |

gigahertz | Show source$GHz$ | GHz | 1×10^{-9} | Derived frequency unit in SI system. One gigahertz is equal to one billion of hertzs: $1 GHz = 1000\ 000\ 000 Hz = 10^{9} Hz$ |

megahertz | Show source$MHz$ | MHz | 0.000001 | Derived frequency unit in SI system. One megahertz is equal to one million of hertzs: $1 MHz = 1000\ 000 Hz = 10^{6} Hz$ |

kilohertz | Show source$kHz$ | kHz | 0.001 | Derived frequency unit in SI system. One kilohertz is equal to one thousand of hertzs: $1 kHz = 1000 Hz = 10^{3} Hz$ |

hertz | Show source$Hz$ | Hz | 1 | Basic frequency unit in SI system. One hertz is equal to one event per second: $1Hz = \frac{1}{s}$ |

milihertz | Show source$mHz$ | mHz | 1000 | Derived frequency unit in SI system. One milihertz is equal to one thousandth of hertz: $1 mHz = 0.001 Hz = 10^{-3} Hz$ |

microhertz | Show source$\mu Hz$ | µHz | 1000000 | Derived frequency unit in SI system. One microhertz is equal to one millionth of hertz: $1 \mu Hz = 0.000001 Hz = 10^{-6} Hz$ |

nanohertz | Show source$nHz$ | nHz | 1000000000 | Derived frequency unit in SI system. One nanohertz is equal to one one billionth of hertz: $1 nHz = 0.000000001 Hz = 10^{-9} Hz$ |

# Other#

Unit | Symbol | Symbol (plain text) | Value | Notes |

1 per second | Show source$\frac{1}{s}$ | 1/s | 1 | One event per second. Equivalent to one hertz. $\dfrac{1}{s} = 1 Hz$ |

cycle per second | Show source$\frac{cycle}{s}$ | cycle/s | 1 | One cycle per second. Equivalent to one hertz. $\dfrac{\text{1 cycle}}{s} = 1 Hz$ |

degree per hour | Show source$\frac{^{\circ}}{h}$ | degree/h | 1296000 | One degree per hour. Unit of rotational speed equal to 1/360 rotate per hour (because the whole rotate is 360 degrees). $\dfrac{1 / 360}{3600s} = \dfrac{1}{1296000} Hz$ |

degree per minute | Show source$\frac{^{\circ}}{min.}$ | degree/min. | 21600 | One degree per minute. Unit of rotational speed equal to 1/360 rotate per minute (because the whole rotate is 360 degrees). $\dfrac{1 / 360}{60s} = \dfrac{1}{21600} Hz$ |

degree per second | Show source$\frac{^{\circ}}{s}$ | degree/s | 360 | One degree per second. Unit of rotational speed equal to 1/360 rotate per second (because the whole rotate is 360 degrees). $\dfrac{1 / 360}{s} = \dfrac{1}{360} Hz$ |

degree per hour | Show source$\frac{rad}{h}$ | rad/h | 22619.467 | One radian per hour. Unit of rotational speed equal to $1 / 2\pi$ rotate per hour (because the whole rotate is $2 \pi$ radians). $\dfrac{1 / 2\pi}{3600s} = \dfrac{1}{7200\pi} Hz$ |

degree per minute | Show source$\frac{rad}{min.}$ | rad/min. | 376.99112 | One radian per minute. Unit of rotational speed equal to $1 / 2\pi$ rotate per minute (because the whole rotate is $2 \pi$ radians). $\dfrac{1 / 2\pi}{60s} = \dfrac{1}{120\pi} Hz$ |

degree per second | Show source$\frac{rad}{s}$ | rad/s | 6.2831853 | One radian per second. Unit of rotational speed equal to $1 / 2\pi$ rotate per second (because the whole rotate is $2 \pi$ radians). $\dfrac{1 / 2\pi}{s} = \dfrac{1}{2\pi} Hz$ |

revolution per hour | Show source$\frac{revolution}{h}$ | revolution/h | 3600 | Revolutions per hour. See RPM unit for more. $\dfrac{\text{1 rotate}}{3600s} = \dfrac{1}{3600} Hz$ |

revolution per minute | Show source$\frac{revolution}{min.}$ | revolution/min. | 60 | Revolutions per minute. See RPM unit for more. $\dfrac{\text{1 rotate}}{60s} = \dfrac{1}{60} Hz$ |

revolution per second | Show source$\frac{revolution}{s}$ | revolution/s | 1 | Revolutions per second. See RPM unit for more. $\dfrac{\text{1 rotate}}{s} = 1 Hz$ |

revolution per minute | Show source$RPM$ | RPM | 60 | Revolutions per minute. The unit determines the number of turns (i.e. by 360 degrees) performed during one minute. It's a unit of rotational speed or the frequency of rotation around a selected axis. Used for example to measure speed of media under the read head e.g. gramophone disks rotates at speed 16 2⁄3, 33 1⁄3, 45 or 78 RPM. $1 RPM = \dfrac{1}{60s} = \dfrac{1}{60} Hz$ |

# Some facts#

**Frequency**is**physical quantity**defining**number of cycles**(events occurring periodically)**per time unit**.- The
**basic frequency unit**in**SI system**is**one Hz**(hertz). One hertz corresponds to the frequency of**one cycle per second**:

$1 Hz = \dfrac{1}{s}$ - Frequency is usually indicated by a lower case letter
*f*or greek letter $\nu$ (nu). - To calculate the frequency of an event directly from the definition, use the following formula:

$f = \dfrac{n}{t}$where:

**f**- frequency,

**n**- number of recorded events (cycles),

**t**- measurement time.

- We can find
**frequency**in many everyday areas of life, e.g.

- The musical note of "A" is used as a standard for tuning musical instrument. It's frequency is 440 Hz. In terms of music, the lower frequency means "lower pitch".

- The
**processor**i5 2450M is available in versions**clocked**with frequencies**from 2.5 to 3,1 GHz**,

- the plates in most contemporary
**hard drives**make**5400 revolutions per minute**(5400 RPM),

- long play
**vinyl record**(LP) should be played at**33 1/2 revolutions per minut**(RPM),

**program 1 of Polish Radio**can be listened in Poland and in neighboring countries on longwave (LW) at**frequency 225 kHz**,

**wifi**networks use electromagnetic waves with**2,4 GHz**or**5 GHz**frequency,

**CD-AUDIO format**uses sample rating of**44,1 kHz**,

- the frequency of
**alternating current**(AC) is**50 or 60 Hz**depending on the region,

- etc.

- The musical note of "A" is used as a standard for tuning musical instrument. It's frequency is 440 Hz. In terms of music, the lower frequency means "lower pitch".

# How to convert#

**Enter the number to field "value"**- enter the NUMBER only, no other words, symbols or unit names. You can use dot (**.**) or comma (**,**) to enter fractions.

Examples:- 1000000
- 123,23
- 999.99999

**Find and select your starting unit in field "unit"**. Some unit calculators have huge number of different units to select from - it's just how complicated our world is...**And... you got the result**in the table below. You'll find several results for many different units - we show you all results we know at once. Just find the one you're looking for.

# Tags and links to this website#

Tags:

frequency · frequency_units_converter · hz_to_khz · hz_to_mhz · hz_to_ghz · hz_to_thz · khz_to_hz · mhz_to_hz · ghz_to_hz · thz_to_hz · mhz_to_khz · ghz_to_khz · thz_to_khz · rpm_to_hz · hz_to_rpm · how_many_is_hz · how_many_is_khz · how_many_is_ghz · how_many_is_mhz · how_many_is_thz · how_many_is_rpm

Tags to Polish version:

czestotliwosc · konwerter_jednostek_czestotliwosci · hz_na_khz · hz_na_mhz · hz_na_ghz · hz_na_thz · khz_na_hz · mhz_na_hz · ghz_na_hz · thz_na_hz · mhz_na_khz · ghz_na_khz · thz_na_khz · rpm_na_hz · hz_na_rpm · rpm_na_khz · khz_na_rpm · ile_to_hz · ile_to_khz · ile_to_mhz · ile_to_ghz · ile_to_thz · ile_to_rpm

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