Wire on 1.666" Core

Spools
Wire Dia. Steps/Ft
.010" 88.0
.020" 89.75

Insulated Copper (1kV) on 4" Core

Spools
Wire Dia. Steps/Ft
#10 34.7
#12 35.0
#14 35.8
#16 36.3
#18 36.7
#20 36.9
#22 37.3
#24 37.5

Insulated Copper (1kV) on 100mm Core

Spools
Wire Dia. Steps/Ft
#12 33.92
#14 34.3
#16 33.725
#20 34
#22 34.367
#24 33.8

Wire on Cup Core

Spools
Wire Dia. Steps/Ft
.020" 57.58
#26 Magnet Wire 58.56

Other

Spools
Wire Dia. Steps/Ft
1mm Ni on 1.75" (flat) 83.5
.007" on 1.78" 87.3
.010" on 2" 75.5
.010" on 2.5" 60.8
.032" on 3" 50.3
.032" on 3.5" 60.8
.064" on 100mm 38.2
.030" on 4" 34.0