What is an Interval?

Name of Intervals

Interval Quality

Seconds

Thirds

Fourths

Fifths

Sixths

Sevenths

Interval Constructor

Identification and Construction

Related Exercises:

Intervals Ear Training

Interval Construction

Interval Identification

Fourths

Fourths are:

perfect if they have 2 1/2 whole steps (5 half steps)

augmented if they have 3 whole steps (6 half steps)

Examples of perfetct fourths:

Examples of augmented fourths:

NOTE: There are also diminished fourths. See our Reference for more information.