Fret position calculator

How to use our guitar fret position calculator

1. Enter the number of frets (between 12 and 30).
2. Enter the scale length in inches (between 20 and 36).
3. Click "Calculate" to generate fret distances.
4. View results in millimeters, centimeters, and inches.
5. Check the suggested guitar type based on your inputs.

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Fret calculator use cases

Guitar builders & luthiers

• Precisely calculate fret positions for custom builds.
• Ensure accurate fret placement for proper intonation.

Guitar technicians & repairers

• Verify and adjust fret positioning during repairs.
• Use measurements for refretting or modifying scale length.

Guitarists

• Understand fret spacing for different guitars.
• Compare different scale lengths for playability and tone.

Teachers & Students

• Use as an educational tool for guitar design and physics.
• Learn how scale length affects tone and fret spacing.

DIY hobbyists

• Experiment with alternative scale lengths for unique sounds.
• Build or modify guitars with precise fret measurements.

An essential tool for anyone working with guitars—whether designing, repairing, or learning.

How to find your scale length

1. Measure from Nut to Bridge
   • The scale length is the distance from the nut to the bridge saddle.
2. Use the 12th Fret Method
   • Measure from nut to 12th fret.
   • Multiply by 2 to get the full scale length.
3. Check Manufacturer Specs
   • Many guitars have standard scale lengths: Fender (25.5"), Gibson (24.75"), etc.