Fret Calculator

If you find this utility useful, please link your site to this page.

This page accurately calculates the position of the fret slots for guitars and basses.

Simply enter the the number of frets and the scale length in millimetres then press the calculate button for an instant result.

Some common guitar scales expressed in inches and millimetres

  • 24.00″ = 609.60mm (Fender Duo-Sonic/Jaguar)
  • 24.75″ = 628.65mm (Gibson or Rickenbacker)
  • 25.00″ = 635.00mm (PRS)
  • 25.50″ = 647.70mm (Fender Stratocaster/Telecaster/Jazzmaster)
  • 27.67″ = 702.82mm (Baritone)
  • 30.00″ = 762.00mm (Short scale bass)
  • 33.25″ = 844.55mm (Medium scale Rickenbacker bass)
  • 34.00″ = 863.60mm (Long scale Fender bass)
Fret Distance from previous fret (mm) Distance from nut (mm)

13 Comments on “Fret Calculator”

  1. Pingback: Stage 9) Slotting the fretboard « Jcsmusical's Blog

  2. Saved hours of trial and error – ok, guessing! Building a key box for a medieval keyed fiddle, Thanks very much indeed!

  3. Muchisimas Gracias!!! la verdad es que es una herramienta muy util!

    Many thanks!!! The truth is that it is a very useful tool!

  4. Very useful and incredibly quick. Used it to check my own calculations for a cittern I am making. Thanks for the help.

  5. I have compared your indications with other frets calculator. Yoe have exactly the same measurments. Thank you.

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