Calculators

Free calculators for the sums musicians and producers redo every session. No sign-up, nothing to download, and the formula is shown so you can check the answer.

• BPM to milliseconds: delay and reverb time calculator

  Every note length at a tempo, straight, dotted and triplet, in ms and Hz.

• Audio file size calculator: WAV, AIFF and MP3

  How big a recording or bounce will be at any sample rate, bit depth and length.