Sheet Metal Gage to Thickness Table

(place pointer over a cell to see application examples)
Gauge Stainless Galvanized Plain Steel Aluminum1 Copper2 Brass1
No. Fraction inch (mm) inch (mm) inch (mm) inch (mm) inch (mm) inch (mm)
38 0.0060 (0.15) 0.0040 (0.10)
37 0.0064 (0.16) 0.0044 (0.11)
36 0.0067 (0.17) 0.0050 (0.13) 0.0050 (0.13)
35 0.0075 (0.19) 0.0056 (0.14) 0.0056 (0.14)
34 0.0082 (0.21) 0.0063 (0.16) 0.0063 (0.16)
33 0.0090 (0.23) 0.0071 (0.18) 0.0071 (0.18)
32 0.0134 (0.34) 0.0097 (0.25) 0.0080 (0.20) 0.0079 (0.20)
31 0.0142 (0.36) 0.0105 (0.27) 0.0089 (0.23) 0.0108 (0.27) 0.0089 (0.23)
30 0.0125 (0.33) 0.0157 (0.40) 0.0120 (0.30) 0.0100 (0.25) 0.0120 (0.30) 0.0100 (0.25)
29 0.0141 (0.36) 0.0172 (0.44) 0.0135 (0.34) 0.0113 (0.29) 0.0130 (0.33) 0.0113 (0.29)
28 1/64 0.0156 (0.41) 0.0187 (0.47) 0.0149 (0.38) 0.0126 (0.32) 0.0135 (0.34) 0.0126 (0.32)
27 0.0172 (0.43) 0.0202 (0.51) 0.0164 (0.42) 0.0142 (0.36) 0.0160 (0.40) 0.0142 (0.36)
26 0.0187 (0.48) 0.0217 (0.55) 0.0179 (0.45) 0.0159 (0.40) 0.0180 (0.46) 0.0159 (0.40)
25 0.0219 (0.56) 0.0247 (0.63) 0.0209 (0.53) 0.0179 (0.46) 0.0200 (0.51) 0.0179 (0.45)
24 0.0250 (0.64) 0.0276 (0.70) 0.0239 (0.61) 0.0201 (0.51) 0.0216 (0.55) 0.0211 (0.54)
23 0.0281 (0.71) 0.0306 (0.78) 0.0269 (0.68) 0.0226 (0.58) 0.0250 (0.63) 0.0226 (0.57)
22 1/32 0.0312 (0.79) 0.0336 (0.85) 0.0299 (0.76) 0.0253 (0.64) 0.0270 (0.69) 0.0250 (0.63)
21 0.0344 (0.86) 0.0366 (0.93) 0.0329 (0.84) 0.0285 (0.71) 0.0320 (0.81) 0.0285 (0.72)
20 0.0375 (0.95) 0.0396 (1.01) 0.0359 (0.91) 0.0320 (0.81) 0.0350 (0.89) 0.0320 (0.81)
19 0.0437 (1.10) 0.0456 (1.16) 0.0418 (1.06) 0.0359 (0.91) 0.0430 (1.09) 0.0359 (0.91)
18 0.0500 (1.27) 0.0516 (1.31) 0.0478 (1.21) 0.0403 (1.02) 0.0485 (1.23) 0.0403 (1.02)
17 0.0562 (1.40) 0.0575 (1.46) 0.0538 (1.37) 0.0453 (1.10) 0.0580 (1.47) 0.0453 (1.15)
16 1/16 0.0625 (1.59) 0.0635 (1.61) 0.0598 (1.52) 0.0508 (1.29) 0.0647 (1.64) 0.0500 (1.27)
15 0.0703 (1.79) 0.0710 (1.80) 0.0673 (1.71) 0.0571 (1.45) 0.0750 (1.90) 0.0571 (1.45)
14 5/64 0.0781 (1.98) 0.0785 (1.99) 0.0747 (1.90) 0.0641 (1.63) 0.0863 (2.19) 0.0641 (1.63)
13 3/32 0.0940 (2.39) 0.0934 (2.37) 0.0897 (2.28) 0.0720 (1.83) 0.0930 (2.36) 0.0720 (1.83)
12 7/64 0.1094 (2.78) 0.1084 (2.75) 0.1046 (2.66) 0.0808 (2.05) 0.1080 (2.74) 0.0808 (2.05)
11 1/8 0.1250 (3.18) 0.1233 (3.13) 0.1196 (3.04) 0.0907 (2.30) 0.1200 (3.05) 0.0907 (2.30)
10 9/64 0.1406 (3.57) 0.1382 (3.51) 0.1345 (3.42) 0.1019 (2.59) 0.1250 (3.18) 0.1019 (2.59)
9 5/32 0.1563 (3.97) 0.1532 (3.89) 0.1495 (3.80) 0.1144 (2.91) 0.1480 (3.76) 0.1144 (2.91)
8 11/64 0.1719 (4.37) 0.1681 (4.27) 0.1644 (4.18) 0.1285 (3.26) 0.1650 (4.19) 0.1285 (3.26)
7 3/16 0.1875 (4.76) 0.1793 (4.55) 0.1443 (3.67) 0.1800 (4.57) 0.1443 (3.66)
6 13/64 0.2031 (3.97) 0.1943 (4.94) 0.1620 (4.1) 0.2030 (5.16) 0.1620 (4.11)
5 7/32 0.2187 (5.55) 0.2092 (5.31) 0.1819 (4.62) 0.2200 (5.59) 0.1819 (4.62)
4 15/64 0.2344 (5.95) 0.2242 (5.69) 0.2043 (5.19) 0.2380 (6.04) 0.2043 (5.19)
3 1/4 0.2391 (6.07) 0.2294 (5.83) 0.259 (6.58) 0.2294 (5.83)
2 5/16 0.3125 (7.94) 0.2576 (6.54)
3/8 0.3750 (9.52)
1/2 0.5000 (12.70)
5/8 0.6250 (15.87)
3/4 0.7500 (19.05)
1 1.0000 (25.40)
  1. Brown & Sharpe's Gauge Standard B & S or American Gauge A.W.G.
  2. Birmingham Gauge Standard B.W.G.

Wear and Water-Resistant Delrin® Stock Sizes
Thickness (in)
[Tolerance]		MaterialPlate Dimensions (in)
1-3/4
[-0.016",+0.025"]		Acetal6" x 6", 12" x 12", 12" x 24", 12" x 48", 24" x 24", 24" x 48"
2
[-0.016",+0.025"]		Acetal6" x 6", 12" x 12", 12" x 24", 12" x 48", 24" x 24", 24" x 48"
2-1/4
[-0.016",+0.025"]		Acetal6" x 6", 12" x 12", 12" x 24", 12" x 48", 24" x 24", 24" x 48"
2-1/2
[-0.016",+0.025"]		Acetal6" x 6", 12" x 12", 12" x 24", 12" x 48", 24" x 24", 24" x 48"
2-3/4
[-0.016",+0.025"]		Acetal6" x 6", 12" x 12", 12" x 24", 12" x 48", 24" x 24", 24" x 48"
3
[-0.016",+0.025"]		Acetal6" x 6", 12" x 12", 12" x 24", 12" x 48", 24" x 24", 24" x 48"
4
[-0.016",+0.025"]		Acetal6" x 6", 12" x 12", 12" x 24", 12" x 48", 24" x 24", 24" x 48"

Sheet, Bar, Strip Stock Sizes
Thickness (in)
[Tolerance]		MaterialPlate Dimensions (in)
1/4
[±0.002"]		3042" x 12", 4" x 4", 4" x 12", 6" x 6", 6" x 12"
8" x 8", 8" x 12", 12" x 12", 12" x 18", 24" x 24"
1/4
[±0.055"]		3046" x 6", 6" x 12", 8" x 8", 10" x 10", 12" x 12"
12" x 18", 12" x 24", 12" x 30", 12" x 36", 12" x 48"
1/4
[+0.050",-0.010"]		3042" x 6", 3" x 4", 4" x 6", 6" x 6", 6" x 12"
12" x 12", 12" x 24", 24" x 24", 24" x 48"
3/8
[±0.002"]		3042" x 12", 4" x 4", 4" x 12", 6" x 6", 6" x 12"
8" x 8", 8" x 12", 12" x 12", 12" x 18", 24" x 24"
3/8
[±0.055"]		3046" x 6", 6" x 12", 8" x 8", 10" x 10", 12" x 12"
12" x 18", 12" x 24", 12" x 30", 12" x 36", 12" x 48"
3/8
[±0.070"]		3046" x 6", 12" x 12", 12" x 18", 12" x 24", 12" x 48", 24" x 24", 24" x 36"
3/8
[+0.060",-0.010"]		3042" x 6", 3" x 4", 3" x 6", 4" x 6", 6" x 6"
6" x 12", 12" x 12", 12" x 24", 24" x 24", 24" x 48"
1/2
[+0.060",-0.010"]		3042" x 6", 3" x 4", 3" x 6", 4" x 6", 6" x 6"
6" x 12", 12" x 12", 12" x 24", 24" x 24", 24" x 48"
1/2
[±0.002"]		3044" x 12", 6" x 6", 6" x 12", 8" x 8"
8" x 12", 12" x 12", 12" x 18", 24" x 24"
1/2
[±0.055"]		3046" x 6", 6" x 12", 8" x 8", 10" x 10", 12" x 12"
12" x 18", 12" x 24", 12" x 30", 12" x 36", 12" x 48"
5/8
[+0.060",-0.010"]		3042" x 6", 3" x 4", 3" x 6", 4" x 6", 6" x 6"
6" x 12", 12" x 12", 12" x 24", 24" x 24", 24" x 48"
3/4
[+0.065",-0.010"]		3042" x 6", 3" x 4", 3" x 6", 4" x 6", 6" x 6"
6" x 12", 12" x 12", 12" x 24", 24" x 24", 24" x 48"
3/4
[±0.002"]		3042" x 12", 4" x 4", 4" x 12", 6" x 6", 6" x 12"
8" x 8", 8" x 12", 12" x 12", 12" x 18", 24" x 24"
7/8
[+0.065",-0.010"]		3042" x 6", 3" x 4", 3" x 6", 4" x 6", 6" x 6"
6" x 12", 12" x 12", 12" x 24", 24" x 24", 24" x 48"
1
[+0.075",-0.010"]		3042" x 6", 3" x 4", 3" x 6", 4" x 6", 6" x 6"
6" x 12", 12" x 12", 12" x 24", 24" x 24", 24" x 48"
1
[±0.002"]		304, 3162" x 12", 3" x 12", 4" x 4", 4" x 12", 6" x 6", 6" x 12"
8" x 8", 8" x 12", 12" x 12", 12" x 18", 12" x 24", 18" x 18", 24" x 24"
1-1/4
[+0.075",-0.010"]		3042" x 6", 3" x 4", 3" x 6", 4" x 6", 6" x 6", 6" x 12"
1-1/2
[+0.075",-0.010"]		3042" x 6", 3" x 4", 3" x 6", 4" x 6", 6" x 6", 6" x 12"
2
[+0.150",-0.010"]		3042" x 6", 3" x 4", 3" x 6", 4" x 6", 6" x 6", 6" x 12"