**Hertz - Wikipedia**
https://en.wikipedia.org/wiki/Hertz

OverviewDefinitionHistoryApplicationsSI multiplesUnicodeSee alsoExternal linksThe hertz (symbol: Hz) is the unit of frequency in the International System of Units (SI), equivalent to one event (or cycle) per second. The hertz is an SI derived unit whose expression in terms of SI base units is s , meaning that one hertz is the reciprocal of one second. It is named after Heinrich Rudolf Hertz (1857–1894), the first person to provide conclusive proof of the existence of electromagnetic waves. Hertz are commonly expressed in multiples: kilohertz (kHz), megahertz … Symbol: Hz

**Symbol:** Hz

**DA:** 7 **PA:** 83 **MOZ Rank:** 28