# perfect fifth

> musical interval spanning five staff positions and seven semitones, whose frequency ratio is approximately 3:2=1.5 (in equal temperament, ¹²√2⁷=1.498…)

**Wikidata**: [Q12372854](https://www.wikidata.org/wiki/Q12372854)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Perfect_fifth)  
**Source**: https://4ort.xyz/entity/perfect-fifth