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String Tension Calculator
Pick scale length, tuning, and gauge — get tension per string.
Open String Calculator100% Private
No data leaves your device
Works Offline
Cached after first load
±1¢ Accuracy
Pro-grade pitch detection
4.9/5
18,423 ratings
Choosing the right string gauge is the difference between crisp tone and flabby, detuning mush. The calculator gives you tension in pounds (or kg) for each string based on scale length, tuning, and gauge.
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