Pitch, Tuning & Theory Calculators

The frequency mathematics under equal temperament: note names to hertz, cents between two pitches, transposition between keys and instruments, and the harmonic series that explains why certain intervals sound consonant.

4 calculators in this category

Which one do you need?

Note to Frequency Calculator
Convert any note and octave to frequency in equal temperament at any reference pitch, get the MIDI number and wavelength, and identify the nearest note to a Hz value.
Cents & Interval Calculator
Measure the interval between two frequencies in cents and semitones, name it, and compare equal temperament against just intonation or Pythagorean tuning ratios.
Music Transposition Calculator
Transpose any key or chord by semitones, or convert between concert pitch and the written part for a Bb, Eb, F or A instrument. Key signatures and capo included.
Harmonic Series Calculator
List every overtone above a fundamental with its frequency, nearest note and cents deviation from equal temperament - and see exactly why the 7th partial sounds flat.

More music theory, audio engineering & instruments categories