Pitch / Free browser tool

Subharmonic Series Calculator

Explore integer divisions beneath a reference frequency.

Your result
Division 1 (Hz)
440
Division 2 (Hz)
220
Division 3 (Hz)
146.6667
Division 4 (Hz)
110
Division 5 (Hz)
88
Division 6 (Hz)
73.33333
Division 7 (Hz)
62.85714
Division 8 (Hz)
55

How this works

subharmonic n = reference/n

Use the result carefully

These frequencies are mathematical divisions, not a claim that a sound already contains them.

Calculations run on your device. No audio uploads, account, or email required. Numerical outputs are rounded for display; these tools do not analyze a recording unless explicitly stated.

Report a calculation issue →

Related tools