Pitch / Free browser tool

Frequency Interval

Measure the interval between two frequencies.

Your result
Semitones
7.01955
Cents
701.955
Ratio
1.5

How this works

semitones = 12 × log2(compared/reference)

Use the result carefully

An exact 3:2 ratio is slightly different from seven equal-tempered semitones.

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.

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