Semitone conversions

This HTML document (written and provided by J.R. de Pijper, IPO, Eindhoven) allows you to calculate the distance between two frequencies in terms of semitones, or to calculate one frequency from another, given their distance in semitones.

Your browser must be JavaScript enabled to deal with this form. Both Netscape and Internet Explorer should do. Problems have been found with Opera (version 3, beta 7).

Usage: Fill in any two fields, then press the "Calculate" button to calculate the third.

F1: Hz
F2: Hz

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Click here to access ERB conversion script (Hertz values to ERB and vice versa).
Click here to access MEL conversion script (Hz to MEL and vice versa).