AWG = American Wire Gauge

SWG = Standard or Sterling Wire Gauge, a British wire measurement system

BWG = Birmingham Wire Gauge which was widely used throughout the world

Bare Dia. (Inch) Bare Dia. (MM) AWG No. SWG No. BWG No.
0.580000 14.73200 6/0 – – – –
0.516500 13.11910 5/0 7/0 – –
0.500000 12.70000 5/0 7/0 – –
0.464000 11.78560 4/0 6/0 4/0
0.460000 11.68400 4/0 4/0 4/0
0.454000 11.53160 4/0 4/0 4/0
0.432000 10.97280 4/0 5/0 3/0
0.425000 10.79500 3/0 3/0 3/0
0.409600 10.40384 3/0 3/0 3/0
0.400000 10.16000 4/0 4/0 4/0
0.380000 9.65200 2/0 2/0 2/0
0.372000 9.44880 3/0 3/0 3/0
0.364800 9.26592 2/0 2/0 2/0
0.348000 8.83920 2/0 2/0 2/0
0.340000 8.63600 0 0 0
0.324900 8.25246 0 0 0
0.324000 8.22960 0 0 0
0.300000 7.62000 1 1 1
0.300000 7.62000 1 1 1
0.289300 7.34822 1 1 1
0.283000 7.18820 2 2 2
0.276000 7.01040 2 2 2
0.273003 6.93428 1.5 2 2
0.259000 6.57860 2 3 3
0.258000 6.55320 2 2 3
0.252000 6.40080 2 3 3
0.243116 6.17515 2.5 3 4
0.238000 6.04520 3 4 4
0.232000 5.89280 3 4 4
0.229000 5.81660 3 4 5
0.220000 5.58800 3 5 5
0.216501 5.49913 3.5 4 6
0.212000 5.38480 4 5 5
0.204000 5.18160 4 5 6
0.203000 5.15620 4 6 6
0.192800 4.89712 4.5 6 7
0.182000 4.62280 5 7 7
0.179000 4.54660 5 8 7
0.171693 4.36100 5.5 7 8
0.164000 4.16560 6 8 8
0.162023 4.11538 6 7 8
0.152897 3.88358 6.5 9 9
0.147000 3.73380 7 9 9
0.144285 3.66484 7 9 9
0.144000 3.65760 7 9 9
0.136459 3.46606 7.5 9 10
0.134000 3.40360 8 10 10
0.131890 3.34999 8 9 10
0.128500 3.26390 8 10 10
0.128000 3.25120 8 10 10
0.124016 3.14999 8 10 11
0.121253 3.07983 8.5 10 11
0.120000 3.04800 9 11 11
0.118110 2.99999 9 10 11
0.116000 2.94640 9 11 11
0.114400 2.90576 9 11 11
0.110236 2.79999 9 11 12
0.109000 2.76860 10 12 12
0.107979 2.74267 9.5 11 12
0.104331 2.64999 10 11 12
0.104000 2.64160 10 12 12
0.101900 2.58826 10 12 12
0.098425 2.50000 10 12 13
0.096158 2.44241 10.5 12 13
0.095000 2.41300 11 13 13
0.092913 2.36000 11 12 13
0.092000 2.33680 11 13 13
0.090700 2.30378 11 13 13
0.088189 2.24000 11 13 14
0.085800 2.17932 11.5 13 14
0.083464 2.12000 12 14 14
0.083000 2.10820 12 14 14
0.080800 2.05232 12 14 14
0.080000 2.03200 12 14 14
0.078740 2.00000 12 14 15
0.076400 1.94056 12.5 14 15
0.074803 1.90000 13 15 15
0.072000 1.82880 13 15 15
0.072000 1.82880 13 15 15
0.072000 1.82880 13 15 15
0.070866 1.80000 13 15 16
0.068100 1.72974 13.5 15 16
0.066929 1.70000 14 16 16
0.065000 1.65100 14 16 16
0.064100 1.62814 14 16 16
0.064000 1.62560 14 16 16
0.062992 1.60000 14 16 17
0.060500 1.53670 14.5 16 17
0.059055 1.50000 15 17 17
0.058000 1.47320 15 17 17
0.057100 1.45034 15 17 17
0.056000 1.42240 15 17 17
0.055118 1.40000 15 17 18
0.053900 1.36906 15.5 16 18
0.051968 1.32000 16 17 18
0.051200 1.30048 16 18 18
0.050800 1.29032 16 18 18
0.049213 1.25000 16 18 18
0.049000 1.24460 16 18 18
0.048000 1.21920 16 18 18
0.048000 1.21920 16.5 17 19
0.047200 1.19888 17 18 19
0.046457 1.18000 17 18 19
0.045300 1.15062 17 18 19
0.045275 1.14999 17 18 19
0.044094 1.12000 17 19 19
0.043300 1.09982 17 19 20
0.042700 1.08458 17.5 18 20
0.042000 1.06680 18 19 19
0.041732 1.06000 18 19 20
0.040300 1.02362 18 19 20
0.040000 1.01600 18 19 19
0.039370 1.00000 18 20 20
0.038000 0.96520 18.5 19 21
0.037402 0.95000 19 20 21
0.036000 0.91440 19 20 20
0.035900 0.91186 19 20 21
0.035433 0.90000 19 20 21
0.035000 0.88900 19 20 20
0.033900 0.86106 19.5 20 22
0.033465 0.85000 20 21 21
0.032000 0.81280 20 21 21
0.032000 0.81280 20 21 21
0.031496 0.80000 20 21 22
0.031000 0.78740 20 21 21
0.030200 0.76708 20.5 21 22
0.029528 0.75000 21 22 22
0.028500 0.72390 21 22 22
0.028000 0.71120 21 22 22
0.028000 0.71120 21 22 22
0.027953 0.71000 21 22 22
0.027600 0.70104 21 22 23
0.026900 0.68326 21.5 22 23
0.025600 0.65024 22 23 23
0.025300 0.64262 22 23 23
0.025000 0.63500 22 23 23
0.024803 0.63000 22 23 23
0.024000 0.60960 22 23 23
0.023900 0.60706 22.5 23 24
0.023622 0.60000 23 23 24
0.023000 0.58420 23 24 24
0.022600 0.57404 23 24 24
0.022100 0.56134 23 24 24
0.022000 0.55880 23 24 24
0.021700 0.55118 24 25 25
0.021300 0.54102 23.5 24 25
0.020100 0.51054 24 25 25
0.020000 0.50800 24 25 25
0.020000 0.50800 24 25 25
0.019685 0.50000 24 25 25
0.019000 0.48260 24.5 25 26
0.018000 0.45720 25 26 26
0.018000 0.45720 21 22 26
0.017900 0.45466 25 26 26
0.017717 0.45000 25 26 27
0.016900 0.42926 25.5 26 27
0.016732 0.42500 26 27 27
0.016400 0.41656 26 27 27
0.016000 0.40640 26 27 27
0.015900 0.40386 26 27 27
0.015748 0.40000 26 27 28
0.015000 0.38100 26.5 27 28
0.014800 0.37592 27 28 28
0.014200 0.36068 27 28 28
0.013976 0.35500 27 28 29
0.013600 0.34544 27 29 29
0.013500 0.34290 28 28 28
0.013400 0.34036 27.5 29 29
0.013000 0.33020 28 29 29
0.012600 0.32004 28 30 29
0.012402 0.31500 28 30 30
0.012400 0.31496 28 30 30
0.012000 0.30480 29 30 30
0.011900 0.30226 28.5 30 30
0.011800 0.29972 29 31 31
0.011600 0.29464 29 31 31
0.011300 0.28702 29 31 30
0.011024 0.28000 29 32 32
0.010800 0.27432 29 32 32
0.010600 0.26924 29.5 32 31
0.010000 0.25400 30 33 31
0.010000 0.25400 30 33 33
0.010000 0.25400 30 33 31
0.009843 0.25000 30 33 32
0.009500 0.24130 30.5 33 32
0.009200 0.23368 31 34 34
0.009000 0.22860 31 31 32
0.008900 0.22606 31 34 32
0.008819 0.22400 31 35 33
0.008400 0.21336 32 35 35
0.008400 0.21336 31.5 34 33
0.008000 0.20320 32 35 33
0.008000 0.20320 32 35 33
0.007874 0.20000 32 36 34
0.007600 0.19304 32 36 36
0.007500 0.19050 32.5 35 34
0.007100 0.18034 33 36 34
0.007087 0.18000 33 36 35
0.007000 0.17780 33 36 35
0.006800 0.17272 33 37 34
0.006700 0.17018 33.5 36 34
0.006300 0.16002 34 37 34
0.006299 0.16000 34 37 36
0.006000 0.15240 34 38 36
0.005900 0.14986 34.5 37 35
0.005600 0.14224 35 38 35
0.005512 0.14000 35 38 35
0.005300 0.13462 35.5 38 35
0.005200 0.13208 36 39 35
0.005000 0.12700 36 39 35
0.005000 0.12700 36 39 35
0.004921 0.12500 36 39 35
0.004800 0.12192 36 40 35
0.004700 0.11938 36.5 39 35
0.004500 0.11430 37 40 35
0.004409 0.11200 37 40 36
0.004400 0.11176 37 41 36
0.004200 0.10668 37.5 41 36
0.004000 0.10160 38 42 36
0.004000 0.10160 38 42 36
0.004000 0.10160 38 40 36
0.003937 0.10000 38 42 – –
0.003700 0.09398 38.5 42 – –
0.003600 0.09144 39 43 – –
0.003543 0.09000 39 43 – –
0.003500 0.08890 39 43 – –
0.003300 0.08382 39.5 43 – –
0.003200 0.08128 40 44 – –
0.003150 0.08000 40 44 – –
0.003100 0.07874 40 44 – –
0.003000 0.07620 40.5 44 – –
0.002800 0.07112 41 45 – –
0.002800 0.07112 41 45 – –
0.002795 0.07100 41 45 – –
0.002600 0.06604 41.5 45 – –
0.002500 0.06350 42 46 – –
0.002480 0.06300 42 46 – –
0.002400 0.06096 42 46 – –
0.002400 0.06096 42.5 46 – –
0.002200 0.05588 43 46 – –
0.002100 0.05334 43.5 47 – –
0.002000 0.05080 44 47 – –
0.002000 0.05080 44 47 – –
0.001969 0.05000 44 47 – –
0.001866 0.04740 44.5 47 – –
0.001761 0.04473 45 47 – –
0.001662 0.04221 45.5 48 – –
0.001600 0.04064 45.5 48 – –
0.001568 0.03983 46 48 – –
0.001480 0.03759 46.5 48 – –
0.001397 0.03548 47 48 – –
0.001318 0.03348 47.5 48 – –
0.001244 0.03160 48 49 – –
0.001200 0.03048 48 49 – –
0.001174 0.02982 48.5 49 – –
0.001108 0.02814 49 49 – –
0.001045 0.02654 49.5 49 – –
0.001000 0.02540 49 50 – –
0.000986 0.02505 50 50 – –
0.000931 0.02364 50.5 50 – –
0.000878 0.02231 51 – – – –
0.000829 0.02105 51.5 – – – –
0.000782 0.01987 52 – – – –
0.000738 0.01875 52.5 – – – –
0.000697 0.01769 53 – – – –
0.000657 0.01670 53.5 – – – –
0.000620 0.01576 54 – – – –
0.000585 0.01487 54.5 – – – –
0.000552 0.01403 55 – – – –
0.000521 0.01324 55.5 – – – –
0.000492 0.01249 56 – – – –
0.000464 0.01179 56.5 – – – –
0.000438 0.01113 57 – – – –
0.000413 0.01050 57.5 – – – –
0.000390 0.00991 58 – – – –
0.000368 0.00935 58.5 – – – –
0.000347 0.00882 59 – – – –
0.000328 0.00833 59.5 – – – –
0.000309 0.00786 60 – – – –