The hertz (symbol Hz) is a named SI derived unit of frequency, per the BIPM SI Reference Point.
- Name: hertz
- Symbol: Hz
- Unit type: Named SI derived unit
- Quantity kind: frequency
- Expressed in base SI units: s⁻¹
- Defining resolution: https://si-digital-framework.org/bodies/CGPM#CGPM9-Res7
- SI prefix restriction: false