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)
Thank you, now I can continue building my Bass. God bless
Thank you, really useful!
Thanks for this… I’ve been searching for a good calculator.
Thanks, building an electric guitar from bits in the shed. Not sure if my Dovetail saw can cut to plus or minus 0.01mm but great to have the ideal answer. The 20 fret Shedocaster made by the Splinter Guitar Co. is about to be fretted using the rolled edges from a tin box of biscuits.
You’re welcome.
It’s a great idea to use the rolled edges from a biscuit tin but do you think it will be robust enough? I can imagine the tube getting compressed.
Fantastic I can now build whatever I want ??
Thanks for your time doing this.
Spot-on !! Thank you.
I have compared your indications with other frets calculator. Yoe have exactly the same measurments. Thank you.
Very helpful and simple to use.thank you.
Building my first 25.5 17fret cbg ,big help thanks
Thank you very much for this info, very helpfull.
Very useful and incredibly quick. Used it to check my own calculations for a cittern I am making. Thanks for the help.
Building my first Diddley Bow Bass, extremely helpful, thank you Steve.
Muchisimas Gracias!!! la verdad es que es una herramienta muy util!
Many thanks!!! The truth is that it is a very useful tool!
Saved hours of trial and error – ok, guessing! Building a key box for a medieval keyed fiddle, Thanks very much indeed!
Weirdly enough i’m doing it for a medieval hurdy gurdy!
That’s great Oskar (and Mike) glad to have helped!
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