String Tension Lab Calculator

D'Addario · Pure Nickel · 11-14-18-27-37-48

D'Addario EPN115 (11-14-18-27-37-48) in E standard on a 25" scale

11-48 Medium, XL Pure Nickel Electric Guitar Strings on an electric guitar with a 25" scale, tuned to E standard (E4 B3 G3 D3 A2 E2), pulls 117.4 lb53.2 kg522 N in total and 19.6 lb8.87 kg87 N per string on average. That is a tight feel for an electric guitar. The set is moderately uneven (spread 9.0%). String 5 (A2) deviates most: +13% from the set average.

Total tension
117.4 lb53.2 kg522 N
Average per string
19.6 lb8.87 kg87 N
Feel
tight
medium ≈ 17.1 lb7.76 kg76 N per string
Set your own preferred feel
Balance
moderately uneven
spread 9.0%

Tension per string

05101520lb025810kg0255075100Nmedium (10-46)set average1E4.01118.9 lb8.55 kg84 N2B3.01417.1 lb7.77 kg76 N3G3.01817.9 lb8.12 kg80 N4D3.02721.2 lb9.60 kg94 N5A2.03722.1 lb10.04 kg98 N6E2.04820.2 lb9.16 kg90 N
The bronze dashed line is the medium-feel target: the average per-string tension of a 10-46 set on a 25.5" scale in E standard (17.1 lb7.76 kg76 N). Loose and tight are measured against it.Line thickness follows the string gauge; textured lines are wound strings. Hover, tap or tab to a string for details.
#NoteHzGaugeItemType Tensionvs avg
1E4329.6 .011PL011plain 18.9 lb8.55 kg84 N−4%
2B3246.9 .014PL014plain 17.1 lb7.77 kg76 N−12%
3G3196.0 .018PL018plain 17.9 lb8.12 kg80 N−9%
4D3146.8 .027PNG027wound 21.2 lb9.60 kg94 N+8%
5A2110.0 .037PNG037wound 22.1 lb10.04 kg98 N+13%
6E282.4 .048PNG048wound 20.2 lb9.16 kg90 N+3%
Total117.4 lb53.2 kg522 N

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Similar sets in E standard, 25"

SetGaugesAvg per stringTotalFeelBalance
D'Addario EXL115 11-14-18-28-38-4918.8 lb8.52 kg84 N 112.7 lb51.1 kg501 Ntighteven
D'Addario NYXL1052 10-13-17-30-42-5219.1 lb8.68 kg85 N 114.8 lb52.1 kg510 Ntightuneven
D'Addario EXL140 10-13-17-30-42-5219.2 lb8.70 kg85 N 115.1 lb52.2 kg512 Ntightuneven
D'Addario EXL115BT 11-15-19-28-37-5019.5 lb8.86 kg87 N 117.1 lb53.1 kg521 Ntightvery even
EPN115 (this page) 11-14-18-27-37-4819.6 lb8.87 kg87 N 117.4 lb53.2 kg522 Ntightmoderately uneven
D'Addario NYXL1152 11-14-18-30-42-5220.4 lb9.24 kg91 N 122.3 lb55.5 kg544 Ntightuneven

Best match for a medium feel in E standard, 25"

Ranked by how close every string is to 17.1 lb7.76 kg76 N (lower deviation is better).

  1. D'Addario EXL110BT 10-13.5-17-25-34-46 deviation 5.9%, average 16.1 lb7.32 kg72 N, very even
  2. D'Addario EXL110 10-13-17-26-36-46 deviation 8.0%, average 16.4 lb7.45 kg73 N, moderately uneven; same gauges: NYXL1046, XSE1046, EPS510
  3. D'Addario NYXL1149 11-14-18-28-38-49 deviation 11.6%, average 18.7 lb8.49 kg83 N, even; same gauges: EXL115

More for the EPN115

Other tunings on 25": Drop D, Eb standard, D standard, Drop C, Open G, Open D, DADGAD

E standard on other scales: 24.75", 25.5", 26.5", 27", 28", 25.5"–27" multiscale

About these numbers

Tension is calculated, not measured: T = μ · (2 · L · f)², where μ is the string's mass per unit length (unit weight), L the vibrating length (scale) and f the pitch (A4 = 440 Hz, equal temperament). kg means kilogram-force: 1 kg ≈ 9.81 N ≈ 2.205 lb.

How a set feels also depends on the guitar's setup: action height, break angle over the nut and saddle, string length behind the nut and bridge, and your playing style. Plain strings feel stiffer than wound strings at the same tension. Use these figures to compare sets, not as an absolute measure of feel.

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