Electric Guitar String Tension Calculator – Find Your Perfect Setup

🎸 Electric Guitar String Tension Calculator

Calculate exact string tension in lbs & kg for any gauge, scale length, and tuning

Quick Presets
🎻 String & Setup Parameters
📏 String Gauges
✅ String Tension Results
📐 String Tension Unit Constant (UnitWeight) Reference
T = F²
Tension Formula Core
× UW
× Unit Weight
× (2L)
× (2 × Scale) ²
÷ 386
÷ 386.09 (gravity)
0.009
Lightest Plain E (in)
0.042
Common Low E Wound (in)
25.5"
Fender Scale
24.75"
Gibson Scale
🎵 Standard Tuning Note Frequencies
Tuning Name String 1 String 2 String 3 String 4 String 5 String 6 (Low)
E StandardE4 329.63 HzB3 246.94 HzG3 196.00 HzD3 146.83 HzA2 110.00 HzE2 82.41 Hz
Eb StandardEb4 311.13 HzBb3 233.08 HzGb3 185.00 HzDb3 138.59 HzAb2 103.83 HzEb2 77.78 Hz
D StandardD4 293.66 HzA3 220.00 HzF3 174.61 HzC3 130.81 HzG2 98.00 HzD2 73.42 Hz
Drop DE4 329.63 HzB3 246.94 HzG3 196.00 HzD3 146.83 HzA2 110.00 HzD2 73.42 Hz
Drop CD4 293.66 HzA3 220.00 HzF3 174.61 HzC3 130.81 HzG2 98.00 HzC2 65.41 Hz
Open GD4 293.66 HzB3 246.94 HzG3 196.00 HzD3 146.83 HzG2 98.00 HzD2 73.42 Hz
DADGADD4 293.66 HzA3 220.00 HzG3 196.00 HzD3 146.83 HzA2 110.00 HzD2 73.42 Hz
📊 Gauge vs Tension at E Standard — 25.5" Scale
String Light (.009) Regular (.010) Medium (.011) Heavy (.012)
High E (329.63 Hz)12.4 lbs / 5.6 kg15.4 lbs / 7.0 kg18.6 lbs / 8.4 kg22.1 lbs / 10.0 kg
B (246.94 Hz)12.3 lbs / 5.6 kg15.2 lbs / 6.9 kg18.4 lbs / 8.3 kg19.8 lbs / 9.0 kg
G (196.00 Hz)11.4 lbs / 5.2 kg17.5 lbs / 7.9 kg19.7 lbs / 8.9 kg22.4 lbs / 10.2 kg
D (146.83 Hz)18.8 lbs / 8.5 kg20.5 lbs / 9.3 kg25.4 lbs / 11.5 kg28.7 lbs / 13.0 kg
A (110.00 Hz)19.2 lbs / 8.7 kg24.8 lbs / 11.2 kg28.6 lbs / 13.0 kg32.1 lbs / 14.6 kg
Low E (82.41 Hz)18.0 lbs / 8.2 kg23.3 lbs / 10.6 kg31.0 lbs / 14.1 kg35.8 lbs / 16.2 kg
Total Set~92 lbs / 42 kg~117 lbs / 53 kg~142 lbs / 64 kg~161 lbs / 73 kg
📐 Scale Length Tension Comparison (.010 E Standard)
Guitar Model Type Scale Length High E Tension Low E Tension Total Set Est.
Short Scale (Student)24.0" / 609.6 mm13.6 lbs / 6.2 kg20.5 lbs / 9.3 kg~104 lbs / 47 kg
Gibson (Les Paul, SG)24.75" / 628.6 mm14.4 lbs / 6.5 kg21.8 lbs / 9.9 kg~110 lbs / 50 kg
PRS Standard25.0" / 635.0 mm14.7 lbs / 6.7 kg22.3 lbs / 10.1 kg~113 lbs / 51 kg
Fender (Strat, Tele)25.5" / 647.7 mm15.4 lbs / 7.0 kg23.3 lbs / 10.6 kg~117 lbs / 53 kg
Baritone Guitar27.0" / 685.8 mm17.2 lbs / 7.8 kg26.1 lbs / 11.8 kg~131 lbs / 60 kg
Extended Baritone28.625" / 727.1 mm19.4 lbs / 8.8 kg29.3 lbs / 13.3 kg~148 lbs / 67 kg
🧵 String Unit Weight Constants (UW) by Material
String Material Type UW Factor (vs nickel) Tone Character Typical Use
Nickel WoundWound / Plain1.000x (baseline)Warm, balancedGeneral electric guitar
Pure NickelWound / Plain0.980xVintage warmBlues, classic rock
Stainless SteelWound / Plain1.050xBright, sustainMetal, hard rock
Cobalt AlloyWound / Plain1.020xHigh output, brightActive pickups, modern
Chrome Flat WoundFlat Wound1.080xDark, smoothJazz, archtop
Phosphor BronzeAcoustic-style1.060xBright, resonantAcoustic-electric
💡 Tension Formula: The physics formula for string tension is T = (UW × (2 × L × F)²) / 386.09, where T is tension in lbs, UW is unit weight (lbs/inch), L is scale length in inches, and F is frequency in Hz. This is the same formula used by string manufacturers.
🎸 Setup Tip: If you switch from 9s to 10s on a Fender Strat, total set tension increases by roughly 25 lbs — enough to require truss rod adjustment. Lighter gauges make bending easier; heavier gauges give more sustain and volume. Balance total tension against your neck relief and playing style.

As far as strained are your guitar strings, that we call Electric Guitar String Tension. One measures it by pounds or kilos, and anyone that already played on some different guitars with different strings probably well understands what I talk about, you feel that moment.

The tension of strings seriously affects the sounds and the playing of your guitar. It creates the tone, affects how long notes sound, and totally changes how the strings feel under your fingers. If you turn the tension higher, everything becomes stiff, almost hard.

What Affects Electric Guitar String Tension

Drop it, and sharply everything loosens and bends. Really low tension? That can feel as if one would pick a rubber band.

But high levels give clear solid answer.

Three main things affect the real Electric Guitar String Tension, that includes: the mass of the string each inch, the scale length of your guitar and the tuning that it is tuned to. The scale length simply is the distance from the nut to the bridge. Guitars with shorter scale have naturally lower string tension.

Important reason to know here: same tesnion feels much more strong on longer scale, what commonly surprises many guitarists.

If one tightens a string, it raises the tone, while loosening drops it. If the tuner shows a too sharp note, you must loosen the string. Too flat?

Then tighten it. Commonly beginners mess up, because fresh strings stretch when one applies tension, so they require a bit of time to settle before they stay in tune.

A good starting spot for electric guitar is a set of.010 strings in standard tuning. Acoustic guitarists usually choose.011 or.012 sets for standard tuning. To drop the tension without resetting everything, you must use lighter strings, that is your only good option.

On acoustic guitar, heavy strings with that extra tension make the soundboard vibrate more hard, what notably expands the volume.

Online you find calculators for string tension, that help you create a set with equal tension for any guitar ore bass. The most string makers give charts with rough tensions for common scale lengths, for instance 24.75 inches or 25.5 inches. Interesting fact: different brands feel much more stiff than others, even if they have same gauge.

Acoustic sets are planned to have around 30 pounds of tension each string, what results in around 150% more than a typical electric guitar usually has.

For low tunings, like Drop C, Drop B or something similar (special string sets exist), so that the tension stays quite high and the sound clear. Standard sets commonly feel too loose in such tunings. Those heavy sets became very popular in modern metal music and similar styles.

Classical guitars are made for total tension of around 90 pounds through all six nylon strings. Strings with bad tension commonly have dull sound, what matters if you try to play intuning higher on the neck. If you keep the nuts oiled and right size, that helps everything stay stable, when tension is in play.

Electric Guitar String Tension Calculator – Find Your Perfect Setup

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