AbraCalc

Vinyl Pitch Shift at 34 RPM (33 RPM Record)

Playing a 33 RPM record at 34 RPM raises the pitch by approximately 52 cents.

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How to use this tool

  1. Enter nominal rpm and actual rpm in the fields above.
  2. Results update instantly as you type — or click Calculate.
  3. Read your pitch shift and the full breakdown beneath it.

A turntable running slightly fast at 34 RPM instead of 33.33 RPM raises the pitch of the music by roughly half a semitone.

Frequently asked questions

Why does turntable speed affect pitch?
A record encodes audio at a fixed groove density. If it spins faster than intended, frequencies are higher (pitch goes up); slower means pitch drops.