Music Interval Calculator

What Is a Musical Interval?

An interval is the distance between two pitches. Musicians name intervals (major third, perfect fifth) and measure them in semitones and cents.

One semitone is the smallest step in twelve-tone equal temperament. One cent is 1/100 of a semitone, so a major third spans 400 cents.

What interval is C to G?

C to G is a perfect fifth, spanning 7 semitones or 700 cents.

What is a semitone?

A semitone is one half step on a piano, such as C to C♯ or E to F.

What are cents used for?

Cents fine-tune pitch. 100 cents equals one semitone. Tuners and synthesizers use cents for micro-adjustments.

Is C to E a major or minor third?

C to E is a major third (4 semitones). C to E♭ is a minor third (3 semitones).

Do octave numbers affect the interval name?

The interval name comes from pitch class distance. C4 to G4 and C3 to G5 are both perfect fifths.