String gauge calculator

Version 1.23 by Zdeněk Gromnica a.k.a. FutureMillennium. JavaScript must be enabled.

Calculate string gauges

Info

Tones and their frequencies »

Tunings and scale lengths

Standard instrument tunings, from low to high:

• Guitar: E2 A2 D3 G3 B3 E4
• Violin/Mandolin: G3 D4 A4 E5
• Viola: C3 G3 D4 A4
• Cello: C2 G2 D3 A3
• Bass Guitar/Double Bass: E1 A1 D2 G2

Standard instrument scale lengths:

• Classical Guitar: 25.6 in (650 mm)
• Fender Electric Guitar: 25.5 in
• Gibson Electric Guitar: 24.75 in
• Violin: 12.8 in (327 mm)
• Double Bass: 42.3-43.3 in (1050–1100 mm)
• Mandolin: 13-13.875 in (330-352 mm)

Calculate string gauges

Scale length: inch mm
Desired tension: lbs newtons
String type: Steel/Iron Brass Carbon Gut Nylgut Nylon
Material density: kg/m³
K-factor: Warning: We have no information about the K-factor of the selected string type. If you don't know the correct K-factor, the calculation for wound strings will be wrong.

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