Music Interval Calculator
Find the musical interval between any two notes with semitone count and frequency ratio.
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Interval
Perfect 5th
Semitones
7
Quality
Perfect consonance
Freq Ratio
1.4983
Frequency 1
261.63 Hz
Frequency 2
392.00 Hz
All Intervals from C
Unison
C
Minor 2nd
C#
Major 2nd
D
Minor 3rd
D#
Major 3rd
E
Perfect 4th
F
Tritone
F#
Perfect 5th
G
Minor 6th
G#
Major 6th
A
Minor 7th
A#
Major 7th
B
Octave
C
Musical Intervals
An interval is the distance between two notes measured in semitones. Understanding intervals is fundamental to music theory, harmony, and ear training.
Disclaimer: This tool is provided as-is for informational and educational purposes only.