51 Brookfield Ave.
P.O. Box 5217
Bridgeport, CT 06610
. . . . . . . .

PH: 203.333.3191
FAX: 203.334.4704
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Decimal Inch and Metric Equivalent Dimensions for Magnet Wire
Single Build 14 to 56 AWG

AWG
Size
Bare Wire Diameter AWG
Size
MinimumNominalMaximum*Min. Increase
Diameter
Max. Increase
Diameter
inchesmminchesmminchesmminchesmminchesmm
140.06351.6130.06411.6280.06441.6360.00160.0410.06661.69214
150.05651.4350.05711.4500.05741.4580.00150.0380.05941.50915
160.05031.2780.05081.2900.05111.2980.00140.0360.05311.34916
170.04481.1380.04531.1510.04551.1560.00140.0360.04751.20717
180.03991.0130.04031.0240.04051.0290.00130.0330.04241.07718
190.03550.9020.03590.9120.03610.9170.00120.0300.03790.96319
200.03170.8050.03200.8130.03220.8180.00120.0300.03390.86120
210.02820.7160.02850.7240.02860.7260.00110.0280.03030.77021
220.02500.6350.02530.6430.02540.6450.00110.0280.02700.68622
230.02240.5690.02260.5740.02270.5770.00100.0250.02430.61723
240.01990.5050.02010.5110.02020.5130.00100.0250.02170.55124
250.01770.4500.01790.4550.01800.4570.00090.0230.01940.49325
260.01570.3990.01590.4040.01600.4060.00090.0200.01730.43926
270.01410.3580.01420.3610.01430.3630.00080.0200.01560.39627
280.01250.3180.01260.3200.01270.3230.00080.0180.01400.35628
290.01120.2840.01130.2870.01140.2900.00070.0180.01260.32029
300.00990.2510.01000.2540.01010.2560.00070.0150.01120.28430
310.00880.2240.00890.2260.00900.2290.00060.0150.01000.25431
320.00790.2010.00800.2030.00810.2060.00060.0130.00910.23132
330.00700.1780.00710.1800.00720.1830.00050.0130.00810.20633
340.00620.1570.00630.1600.00640.1630.00050.0100.00720.18334
350.00550.1400.00560.1420.00570.1450.00040.0100.00640.16335
360.00490.1240.00500.1270.00510.1300.00040.0080.00580.14736
370.00440.1120.00450.1140.00460.1170.00030.0080.00520.13237
380.00390.0990.00400.1020.00410.1040.00030.0050.00470.11938
390.00340.0860.00350.0890.00360.0910.00020.0050.00410.10439
400.00300.0760.00310.0790.00320.0810.00020.0050.00370.09440
410.00270.0690.00280.0710.00290.0740.00020.0050.00330.08441
420.00240.0610.00250.0640.00260.0660.00020.0050.00300.07642
430.00210.0530.00220.0560.00230.0580.00020.0050.00260.06643
440.00190.0480.00200.0510.00210.0530.00010.00250.00240.06144
AWG
Size
 Theoretical Nominal
Bare Wire Diameter**
 Min. Increase
Diameter
Max. Increase
Diameter
AWG
Size
inchesmminchesmminchesmminchesmminchesmm
45  0.001760.0447  0.000100.00250.002050.052145
46  0.001570.0399  0.000100.00250.001850.047046
47  0.001400.0356  0.000100.00250.001700.043247
48  0.001240.0315  0.000100.00250.001500.038148
49  0.001110.0282  0.000100.00250.001300.033049
50  0.000990.0251  0.000100.00250.001200.030550
51  0.000880.0224  0.000100.00250.001100.027951
52  0.000780.0198  0.000100.00250.001000.025452
53  0.000700.0178  0.000050.00130.000850.021653
54  0.000620.0157  0.000050.00130.000750.019054
55  0.000550.0140  0.000050.00130.000700.017855
56  0.000490.0124  0.000050.00130.000650.016556

* The bare wire diameter for sizes 26 AWG and larger may be exceeded.
** Theoretical nominal bare wire diameter by resistance

 
     
   

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