Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

EQ Frequency Calculator

Find the target frequency after shifting a center frequency by a given number of semitones or octaves. Essential for EQ matching, filter placement, and harmonic tuning in mixing and mastering.

Center Frequency (Hz)

Octaves (octaves)

Fill in the required fields to see your result.

Music

Chord Frequency Analyzer

Find the exact frequency of any note in a chord given a root pitch, chord type, inversion, and octave. Use it when tuning synthesizers, analyzing harmony, or building custom temperaments.

Root Note Frequency (Hz)

Chord Type

Inversion

Octave Multiplier

Fill in the required fields to see your result.

Key differences

	EQ Frequency Calculator	Chord Frequency Analyzer
Category	Music	Music
Inputs required	2	4
Result	Target Frequency (Hz)	Third Frequency (Hz)
What it does	Find the target frequency after shifting a center frequency by a given number of semitones or octaves. Essential for EQ matching, filter placement, and harmonic tuning in mixing and mastering.	Find the exact frequency of any note in a chord given a root pitch, chord type, inversion, and octave. Use it when tuning synthesizers, analyzing harmony, or building custom temperaments.