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Calcimator

Guitar Setup Calculator

Get recommended action height, neck relief, and pickup height based on your playing style and string gauge.

About this calculator

A guitar setup is a handful of measurements that determine how easy an instrument is to play and how much it buzzes: string height (action), how much the neck is allowed to bow forward (relief), and how close the pickups sit to the strings. This calculator suggests starting points for those measurements based on how you play and what's on the neck. Playing Style is the dominant factor for Action at 12th Fret: fingerpicking wants slightly more clearance for a clean attack, shredding wants the action as low as possible without buzzing for fast playability, and slide guitar needs the highest action of the four because the slide bar itself needs room to ride above the frets without touching them. String Gauge adjusts that baseline because heavier strings carry more tension and resist buzzing at a lower action than light strings do, while Fret Condition adjusts it the other way -- worn frets with visible divots need extra clearance to avoid buzzing against the low spots, while recently leveled and crowned frets allow the action to come back down. Pickup Height is reported straight from Fender's published factory spec rather than derived: 2.4 mm (0.094 in) on the bass side for neck and middle single-coils, tightening to 2.0 mm (0.079 in) for setups running a low enough action to sit at the bridge-pickup figure. Fender measures that distance from the top of the pole piece to the bottom of the string with the string depressed at the LAST fret, not with the string open -- measuring it open will read far too large and lead you to set the pickups much closer than intended.

Saddle intonation is not estimated here: real compensation depends on scale length, string construction and the final action, and it differs by several millimetres between the plain treble strings and the wound bass strings on the same guitar, so there is no single number worth quoting. Set it by ear with a tuner, comparing the 12th-fret harmonic against the fretted note on each string. Estimated Setup Cost responds only to Fret Condition: a basic setup covers the truss rod, action, intonation and a restring, and the one condition that adds real labour is worn, divoted frets, which need a level, crown and polish on top -- a job commonly quoted at $150 to $350. Frets that were recently leveled and crowned add nothing, because that work is already done. Neck Radius shifts Action at 12th Fret in line with Fender's published factory spec: a rounder 7.25-inch board wants roughly a 64th of an inch more clearance than the 9.5-to-12-inch standard, and a flatter 15-to-17-inch board tolerates roughly a 64th less, because the outer strings choke out during bends sooner on a rounder radius. It does not change Neck Relief here, though Fender's own spec does vary relief with radius too (.012 at 7.25 inches, .010 at 9.5 to 12, .008 at 15 to 17); treat the suggested figures as a starting point for a set of feeler-gauge measurements you or a tech verify by ear and by hand.

Inputs

in

Results

Action at 12th Fret

0.07 in

Neck Relief0.01 in
Pickup Height0.09 in
Estimated Setup Cost$85.00
How to Use This Calculator
  1. Select Playing Style, String Gauge, and Fret Condition from the dropdowns.
  2. Enter your Neck Radius in inches — it shifts the suggested action in line with Fender's factory spec.
  3. Review the Action at 12th Fret (in) result.
  4. Use Neck Relief (in) and Pickup Height (in) to inform your decision.
  5. Use the chart to visualize the results and explore different scenarios by adjusting inputs.

How the result changes with Neck Radius

Neck RadiusAction at 12th Fret
70.07 in
7.130.07 in
140.06 in
200.06 in

What each input means

Playing Style
Fingerpicking suggests slightly higher action for clarity; shredding suggests low action for speed; slide needs the highest action to avoid string-on-fret buzz.
String Gauge
Heavier-gauge strings carry more tension and can be set lower without fret buzz than light-gauge strings.
Neck Radius
Fretboard radius in inches (e.g., 7.25, 9.5, 12, 16, 20). Fender specs a rounder (smaller-radius) board about a 64th higher and a flatter one about a 64th lower, since a rounder board chokes bent strings out sooner at a given action.
Fret Condition
Worn frets need slightly higher action to clear divots and avoid buzz; recently leveled frets allow lower action.

What each result means

Neck Relief
Measured at the 8th fret with a capo at the 1st fret and the string held down at the last fret — Fender's factory procedure. Fender specs .010 in for a 9.5-inch to 12-inch radius.
Pickup Height
Pole piece to the bottom of the string, measured with the string depressed at the LAST fret — Fender's factory convention. Fender specs 2.4 mm (0.094 in) bass side and 2.0 mm (0.079 in) treble side for neck and middle single-coils, and 2.0 mm / 1.6 mm at the bridge.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Playing Style = 2, String Gauge = 2, Neck Radius = 9.5, Fret Condition = 1 = 4 input(s) provided
  2. Calculate Action at 12th Fret
    Action at 12th Fret
    0.065 = 0.065
  3. Calculate Neck Relief
    Neck Relief
    0.01 = 0.01
  4. Calculate Pickup Height
    Pickup Height
    0.094 = 0.094

Engine last updated . Checked against 3 independently-derived tests — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.

Frequently Asked Questions

Why does Slide playing need higher action than every other style?

With slide guitar, a metal or glass bar rides on top of the strings rather than the player's fingers pressing strings to the fretboard, so the strings need enough clearance above the frets that the slide doesn't cause the strings to rattle against them. That's why this calculator suggests the highest Action at 12th Fret and the longest Neck Relief of the four playing styles for slide, well above what fingerpicking or strumming need.

Does String Gauge change how much the setup will cost?

No -- Estimated Setup Cost in this calculator responds only to Fret Condition, because the only condition that adds labour beyond a basic setup is worn, divoted frets needing a level, crown and polish. Frets that are new, or that were recently leveled and crowned, add nothing. String Gauge instead changes Action at 12th Fret (heavier strings tolerate lower action), but that is a separate output from the cost estimate.

How does Neck Radius change the suggested action?

Fender's published factory spec varies action with fretboard radius: a rounder 7.25-inch board gets roughly a 64th of an inch more clearance than the 9.5-to-12-inch standard this calculator centres on, and a flatter 15-to-17-inch board gets roughly a 64th less, because the outer strings choke out during string bends sooner on a rounder radius. Neck Relief does not currently vary with radius here, even though Fender's own spec varies that too (.012 in at 7.25", .010 in at 9.5"-12", .008 in at 15"-17") -- treat both as starting points to fine-tune by ear and feeler gauge on your specific guitar.

Why does Worn fret condition raise the suggested action instead of lowering it?

Worn frets develop divots where the strings have contacted them most, and if the action is set too low over uneven, divoted frets the strings buzz against the low spots even without excessive neck relief. Raising Action at 12th Fret for Worn compensates for that unevenness; once the frets are leveled and crowned, this calculator suggests lowering the action again since the fret tops are flat and consistent.

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