Standard Sizes Bar appellations represent diameters in fractions of an inch.
Bar
Size
|
Soft
Metric
Size
|
Weight
lbs per Inch
|
Nominal
Diameter
Inches
|
Diameter
mm
|
Area
Inch
Square
|
#3
|
#10
|
0.376
|
0.375
|
9.5250
|
0.11
|
#4
|
#13
|
0.668
|
0.500
|
12.70
|
0.20
|
#5
|
#16
|
1.043
|
0.625
|
15.8750
|
0.31
|
#6
|
#19
|
1.502
|
0.75
|
19.050
|
0.44
|
#7
|
#22
|
2.044
|
0.875
|
22.2250
|
0.60
|
#8
|
#25
|
2.670
|
1.000
|
25.40
|
0.79
|
#9
|
#29
|
3.400
|
1.128
|
28.650
|
1.00
|
#10
|
#32
|
4.303
|
1.270
|
32.260
|
1.27
|
#11
|
#36
|
5.313
|
1.410
|
35.810
|
1.56`
|
#14
|
#43
|
7.650
|
1.693
|
43.0
|
2.25
|
#18
|
#57
|
13.60
|
2.257
|
57.330
|
4.00
|
|