Free Guitar Fret Spacing & Compensated Nut Calculator

High-precision fretboard calculations for luthiers. Enter your scale length and preferences to generate an accurate fret table and nut compensation values.

Setup Parameters

Nut Compensation

Set gauges (inches) to calculate individual string offset (Action/2 + Gauge/4).

Visual Fretboard Guide

Fretboard Table

Fret Dist. from Nut Dist. from Prev Fret