The hertz is the SI unit of frequency, expressing how many times an event repeats per second.
Adopted as the SI unit in 1930, named after German physicist Heinrich Hertz for his experimental production of electromagnetic waves.
Measurement system: International System of Units (SI). SI equivalent: Base SI frequency unit (1 Hz = 1 cycle/second).
Hertz facts
- Unit name
- Hertz
- Symbol
- Hz
- Category
- Frequency
- Measurement system
- International System of Units (SI)
- SI equivalent
- Base SI frequency unit (1 Hz = 1 cycle/second)
- Common uses
- Sound waves, electrical current frequency, computer processor speed, radio waves
Definition of the hertz
The hertz is the SI unit of frequency, expressing how many times an event repeats per second.
Measurement system and SI relationship
International System of Units (SI)
SI equivalent: Base SI frequency unit (1 Hz = 1 cycle/second)
History of the hertz
Adopted as the SI unit in 1930, named after German physicist Heinrich Hertz for his experimental production of electromagnetic waves.
Where is the hertz used?
Sound waves, electrical current frequency, computer processor speed, radio waves