Bass String Tension Calculator

Calculate string tension based on scale length, pitch, and gauge or unit weight.

Calculation Method

Estimated (Gauge) Exact (Unit Weight)

Scale Length e.g., 34 for standard

inches

Please enter a valid scale length.

String Gauge e.g., 0.105

inches

Please enter a valid gauge.

Unit Weight from manufacturer

lbs/in

Please enter a valid unit weight.

Target Pitch (Note)

Custom Frequency

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Calculated String Tension

—

lbs

— kg

Note: The “Estimated” method uses an average density factor (0.19) for nickel/steel round wound bass strings. Actual tension varies by manufacturer, core-to-wrap ratio, and materials. For precise results, select “Exact” and input the manufacturer’s unit weight.