Number Convert

Frequency Converter

Convert frequency units instantly with this free universal frequency converter.

Includes reference tables, applications in electronics and music, and bidirectional conversion.

Last updated · How we build & check our tools

Enter the value to convert

Frequently Asked Questions

Common questions about the Frequency Converter

Hz, kHz (1000), MHz (million), GHz (billion), THz (trillion). Also RPM, rad/s, BPM for specific uses.

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Sources & References

International System of Units (SI): frequency

Frequency is measured in the hertz (Hz). Conversions between SI and other units use exact, internationally agreed factors maintained by NIST.
→Source: NIST — International System of Units (SI)

International System of Units (SI)

Authoritative definitions for frequency, from the BIPM SI Brochure (9th edition), the defining reference for the SI.
→Source: BIPM — SI Brochure (9th ed.)