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NOMINAL TUBE DIMENSION CHART (BWG)
Selecting Tube Gauge / Thickness and OD values below calculates Nominal Tube ID. (bottom right corner of results)
Please reference Pop-A-Plug Tube Plug Size Charts to make plug selection:
TABLE TO DETERMINE NOMINAL TUBE ID’S - BIRMINGHAM WIRE GAUGE (BWG)
| Wall thickness | Tube OD (in/mm) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BWG | Decimal in/mm |
3/8 | 1/2 | 5/8 | 3/4 | 7/8 | 1 | 1 1/8 | 1 1/4 | 1 3/8 | 1 1/2 | 1 5/8 | 1 3/4 | 2 | 2 1/2 |
| 9.53 | 12.70 | 15.88 | 19.05 | 22.23 | 25.40 | 28.58 | 31.75 | 34.93 | 38.10 | 41.28 | 44.45 | 50.80 | 63.50 | ||
| 8 | 0.165" | 0.045" | 0.170" | 0.295" | 0.420" | 0.545" | 0.670" | 0.795" | 0.920" | 1.045" | 1.170" | 1.295" | 1.420" | 1.670" | 2.170" |
| 4.190 | 1.14 | 4.32 | 7.49 | 10.67 | 13.84 | 17.02 | 20.19 | 23.37 | 26.54 | 29.72 | 32.89 | 36.07 | 42.42 | 55.12 | |
| 9 | 0.148" | 0.079" | 0.204" | 0.329" | 0.454" | 0.579" | 0.704" | 0.829" | 0.954" | 1.079" | 1.204" | 1.329" | 1.454" | 1.704" | 2.204" |
| 3.760 | 2.01 | 5.18 | 8.36 | 11.53 | 14.71 | 17.88 | 21.06 | 24.23 | 27.41 | 30.58 | 33.76 | 36.93 | 43.28 | 55.98 | |
| 10 | 0.134" | 0.107" | 0.232" | 0.357" | 0.482" | 0.607" | 0.732" | 0.857" | 0.982" | 1.107" | 1.232" | 1.357" | 1.482" | 1.732" | 2.232" |
| 3.400 | 2.72 | 5.89 | 9.07 | 12.24 | 15.42 | 18.59 | 21.77 | 24.94 | 28.12 | 31.29 | 34.47 | 37.64 | 43.99 | 56.69 | |
| 11 | 0.120" | 0.135" | 0.260" | 0.385" | 0.510" | 0.635" | 0.760" | 0.885" | 1.010" | 1.135" | 1.260" | 1.385" | 1.510" | 1.760" | 2.260" |
| 3.050 | 3.43 | 6.60 | 9.78 | 12.95 | 16.13 | 19.30 | 22.48 | 25.65 | 28.83 | 32.00 | 35.18 | 38.35 | 44.70 | 57.40 | |
| 12 | 0.109" | 0.157" | 0.282" | 0.407" | 0.532" | 0.657" | 0.782" | 0.907" | 1.032" | 1.157" | 1.282" | 1.407" | 1.532" | 1.782" | 2.282" |
| 2.770 | 3.99 | 7.16 | 10.34 | 13.51 | 16.69 | 19.86 | 23.04 | 26.21 | 29.39 | 32.56 | 35.74 | 38.91 | 45.26 | 57.96 | |
| 13 | 0.095" | 0.185" | 0.310" | 0.435" | 0.560" | 0.685" | 0.810" | 0.935" | 1.060" | 1.185" | 1.310" | 1.435" | 1.560" | 1.810" | 2.310" |
| 2.410 | 4.70 | 7.87 | 11.05 | 14.22 | 17.40 | 20.57 | 23.75 | 26.92 | 30.10 | 33.27 | 36.45 | 39.62 | 45.97 | 58.67 | |
| 14 | 0.083" | 0.209" | 0.334" | 0.459" | 0.584" | 0.709" | 0.834" | 0.959" | 1.084" | 1.209" | 1.334" | 1.459" | 1.584" | 1.834" | 2.334" |
| 2.110 | 5.31 | 8.48 | 11.66 | 14.83 | 18.01 | 21.18 | 24.36 | 27.53 | 30.71 | 33.88 | 37.06 | 40.23 | 46.58 | 59.28 | |
| 15 | 0.072" | 0.231" | 0.356" | 0.481" | 0.606" | 0.731" | 0.856" | 0.981" | 1.106" | 1.231" | 1.356" | 1.481" | 1.606" | 1.856" | 2.356" |
| 1.830 | 5.87 | 9.04 | 12.22 | 15.39 | 18.57 | 21.74 | 24.92 | 28.09 | 31.27 | 34.44 | 37.62 | 40.79 | 47.14 | 59.84 | |
| 16 | 0.065" | 0.245" | 0.370" | 0.495" | 0.620" | 0.745" | 0.870" | 0.995" | 1.120" | 1.245" | 1.370" | 1.495" | 1.620" | 1.870" | 2.370" |
| 1.650 | 6.23 | 9.41 | 12.58 | 15.76 | 18.93 | 22.11 | 25.28 | 28.46 | 31.63 | 34.81 | 37.98 | 41.16 | 47.51 | 60.21 | |
| 17 | 0.058" | 0.259" | 0.384" | 0.509" | 0.634" | 0.759" | 0.884" | 1.009" | 1.134" | 1.259" | 1.384" | 1.509" | 1.634" | 1.884" | 2.384" |
| 1.470 | 6.57 | 9.75 | 12.92 | 16.10 | 19.27 | 22.45 | 25.62 | 28.80 | 31.97 | 35.15 | 38.32 | 41.50 | 47.85 | 60.55 | |
| 18 | 0.049" | 0.277" | 0.402" | 0.527" | 0.652" | 0.777" | 0.902" | 1.027" | 1.152" | 1.277" | 1.402" | 1.527" | 1.652" | 1.902" | 2.402" |
| 1.240 | 7.09 | 10.27 | 13.44 | 16.62 | 19.79 | 22.97 | 26.14 | 29.32 | 32.49 | 35.67 | 38.84 | 42.02 | 48.37 | 61.07 | |
| 19 | 0.042" | 0.291" | 0.416" | 0.541" | 0.666" | 0.791" | 0.916" | 1.041" | 1.166" | 1.291" | 1.416" | 1.541" | 1.666" | 1.916" | 2.416" |
| 1.060 | 7.45 | 10.63 | 13.80 | 16.98 | 20.15 | 23.33 | 26.50 | 29.68 | 32.85 | 36.03 | 39.20 | 42.38 | 48.73 | 61.43 | |
| 20 | 0.035" | 0.305" | 0.430" | 0.555" | 0.680" | 0.805" | 0.930" | 1.055" | 1.180" | 1.305" | 1.430" | 1.555" | 1.680" | 1.930" | 2.430" |
| 0.880 | 7.81 | 10.99 | 14.16 | 17.34 | 20.51 | 23.69 | 26.86 | 30.04 | 33.21 | 36.39 | 39.56 | 42.74 | 49.09 | 61.79 | |
| 21 | 0.032" | 0.313" | 0.438" | 0.563" | 0.688" | 0.813" | 0.938" | 1.063" | 1.188" | 1.313" | 1.438" | 1.563" | 1.688" | 1.938" | 2.438" |
| 0.810 | 7.99 | 11.17 | 14.34 | 17.52 | 20.69 | 23.87 | 27.04 | 30.22 | 33.39 | 36.57 | 39.74 | 42.92 | 49.27 | 61.97 | |
| 22 | 0.028" | 0.321" | 0.446" | 0.571" | 0.696" | 0.821" | 0.946" | 1.071" | 1.196" | 1.321" | 1.446" | 1.571" | 1.696" | 1.946" | 2.446" |
| 0.730 | 8.17 | 11.35 | 14.52 | 17.70 | 20.87 | 24.05 | 27.22 | 30.40 | 33.57 | 36.75 | 39.92 | 43.10 | 49.45 | 62.15 | |
| 23 | 0.025" | 0.329" | 0.454" | 0.579" | 0.704" | 0.829" | 0.954" | 1.079" | 1.204" | 1.329" | 1.454" | 1.579" | 1.704" | 1.954" | 2.454" |
| 0.670 | 8.35 | 11.53 | 14.70 | 17.88 | 21.05 | 24.23 | 27.40 | 30.58 | 33.75 | 36.93 | 40.10 | 43.28 | 49.63 | 62.33 | |
| 24 | 0.022" | 0.337" | 0.462" | 0.587" | 0.712" | 0.837" | 0.962" | 1.087" | 1.212" | 1.337" | 1.462" | 1.587" | 1.712" | 1.962" | 2.462" |
| 0.610 | 8.53 | 11.71 | 14.88 | 18.06 | 21.23 | 24.41 | 27.58 | 30.76 | 33.93 | 37.11 | 40.28 | 43.46 | 49.81 | 62.51 | |
