D'Addario · NYXL · 12-16-20-34-46-60

D'Addario NYXL1260 (12-16-20-34-46-60) in C standard on a 24.75" scale

12-60 Extra Heavy, NYXL Electric Guitar Strings on an electric guitar with a 24.75" scale, tuned to C standard (C4 G3 Eb3 Bb2 F2 C2), pulls 94.6 lb42.9 kg421 N in total and 15.8 lb7.15 kg70 N per string on average. That is a medium feel for an electric guitar. The set is uneven (spread 12.6%). String 4 (Bb2) deviates most: +15% from the set average.

Total tension: 94.6 lb42.9 kg421 N
Average per string: 15.8 lb7.15 kg70 N
Feel: medium; medium ≈ 17.1 lb7.76 kg76 N per string; Set your own preferred feel
Balance: uneven; spread 12.6%

Tension per string

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.

#	Note	Hz	Gauge	Item	Type	Tension	vs avg
1	C4	261.6	.012	NYS012	plain	13.9 lb6.29 kg62 N	−12%
2	G3	196.0	.016	NYS016	plain	13.9 lb6.29 kg62 N	−12%
3	Eb3	155.6	.020	NYS020	plain	13.6 lb6.19 kg61 N	−14%
4	Bb2	116.5	.034	NYNW034	wound	18.1 lb8.21 kg81 N	+15%
5	F2	87.3	.046	NYNW046	wound	17.8 lb8.06 kg79 N	+13%
6	C2	65.4	.060	NYNW060	wound	17.4 lb7.88 kg77 N	+10%
Total						94.6 lb42.9 kg421 N

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Similar sets in C standard, 24.75"

Set	Gauges	Avg per string	Total	Feel	Balance
D'Addario ECG24	11-15-22-30-40-50	14.3 lb6.49 kg64 N	85.9 lb39.0 kg382 N	loose	uneven
D'Addario NYXL1254	12-16-20-32-42-54	14.5 lb6.56 kg64 N	86.8 lb39.4 kg386 N	loose	even
D'Addario EXL145	12-16-20-32-42-54	14.5 lb6.58 kg64 N	87.0 lb39.5 kg387 N	loose	even
NYXL1260 (this page)	12-16-20-34-46-60	15.8 lb7.15 kg70 N	94.6 lb42.9 kg421 N	medium	uneven
D'Addario EXL148	12-16-20-34-46-60	15.8 lb7.17 kg70 N	94.9 lb43.0 kg422 N	medium	uneven
D'Addario EXL158	13-17-26-36-46-62	18.0 lb8.16 kg80 N	107.9 lb48.9 kg480 N	medium	moderately uneven

Best match for a medium feel in C standard, 24.75"

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

D'Addario EXL158 13-17-26-36-46-62 deviation 10.7%, average 18.0 lb8.16 kg80 N, moderately uneven
D'Addario NYXL1260 12-16-20-34-46-60 deviation 14.0%, average 15.8 lb7.15 kg70 N, uneven; same gauges: EXL148
D'Addario EXL145 12-16-20-32-42-54 deviation 16.3%, average 14.5 lb6.58 kg64 N, even; same gauges: NYXL1254

More for the NYXL1260

Other tunings on 24.75": Eb standard, D standard, Drop C, B standard, Drop A

C standard on other scales: 25", 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.

Sources

D'Addario product page, tension chart for NYXL1260 (2026-10-31): unit weights derived from the published tensions, cross-checked across sets.