### Name

This interval is called: Perfect fourth

### Abbreviation

You can use the somewhat shorter name "P4" to indicate a Perfect fourth.

# Construct

### How to build a perfect fourth interval?

To construct an interval correctly you must always use two steps.

- Count the amount of naturals used
- Count the steps between de two notes

At first, and with easy intervals, this may seem unnecessary, but when advancing to more dificult intervals and musical keys they will become more mandatory.

The following example is for a perfect fourth from
C3. *Outcome: F3*

1.

A Perfect fourth uses
4 naturals.

*Example: C3 ↠ D3 ↠ E3 ↠ F3*2.

A Perfect fourth has
5 semitones between the notes.

*Example: C3 ↠ C#3 ↠ D3 ↠ D#3 ↠ E3 ↠ F3*# Cheatsheet

### Tranposed for each note

You can use the following cheatsheet to check the Perfect fourth for
each root note.

Cb3 ↠ Fb3

C3 ↠ F3

C3 ↠ F3

C3 ↠ F3

C#3 ↠ F#3

C3 ↠ F3

Db3 ↠ Gb3

D3 ↠ G3

D3 ↠ G3

D3 ↠ G3

D#3 ↠ G#3

D3 ↠ G3

Eb3 ↠ Ab3

E3 ↠ A3

E3 ↠ A3

E3 ↠ A3

E#3 ↠ A#3

E3 ↠ A3

Fb3 ↠ Bbb3

F3 ↠ B3

F3 ↠ Bb3

F3 ↠ B3

F#3 ↠ B3

F3 ↠ B3

Gb3 ↠ Cb4

G3 ↠ C4

G3 ↠ C4

G3 ↠ C4

G#3 ↠ C#4

G3 ↠ C4

Ab3 ↠ Db4

A3 ↠ D4

A3 ↠ D4

A3 ↠ D4

A#3 ↠ D#4

A3 ↠ D4

Bb3 ↠ Eb4

B3 ↠ E4

B3 ↠ E4

B3 ↠ E4

B#3 ↠ E#4

B3 ↠ E4