BertKoor's Music Calculator

Your browser doesn't seem to support JavaScript.
Without this feature this page will not work.


This web page allows you to do calculations for musical applications.
Just fill in what you know, and the calculator will do the rest.
There will not be a help page ever.


In this section you may change appearance and behaviour of the calculator.

Show half notes as: Sharp () Flat ()
When ♯ / ♭ looks weird: Use ASCII: # / b

Midi note nr: equals: on octave
Tuning: Hz equals: on octave

Calculation Precision:

Sampling Frequency: Tolerance: +/- ppm

Short Sample Calculator

Calculate sample length, buffer size, frequency, note names, etc

Length: samples
Time: milliseconds
Frequency: Hz
Midi note nr:
Note name: oct cents

Long Sample Calculator

Calculate sample length, BPM (beats per minute) etc

One Bar: * notes
Time: seconds
Length: samples
B.P.M. :