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Guitar String Tension Calculator
Find a guitar string's tension.
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String tension depends on scale length, pitch and the string's mass per length.
The math behind it
T = (unit weight x (2 x scale length x frequency)^2) / 386.4, giving tension in pounds-force.
Worked Example
A low E string on a 25.5-inch scale sits around 16 lbf.Frequently Asked Questions
Why does tension matter?
It affects playability, tone and how much the neck bends.
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