GAUGE TO THICKNESS CHART

(Click here for a printable PDF chart)
           
Gauge
Stainless
Galvanized
Sheet Steel  
Aluminum  
 
Fraction
inches (mm)
inches (mm)
inches (mm)
inches (mm)

30
 
0.0125 (0.33)
0.0157 (0.40)
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)
28
1/64
0.0156 (0.41)
0.0187 (0.47)
0.0149 (0.38)
0.0126 (0.32)
27
 
0.0172 (0.43)
0.0202 (0.51)
0.0164 (0.42)
0.0142 (0.36)
26
 
0.0187 (0.48)
0.0217 (0.55)
0.0179 (0.45)
0.0159 (.40)
25
 
0.0219 (0.56)
0.0247 (0.63)
0.0209 (0.53)
0.0179 (0.46)
24
 
0.025 (0.64)
0.0276 (0.70)
0.0239 (0.61)
0.0201 (0.51)
23
 
0.0281 (0.71)
0.0306 (0.78)
0.0269 (0.68)
0.0226 (0.58)
22
1/32
0.0312 (0.79)
0.0336 (0.85)
0.0299 (0.76)
0.0253 (0.64)
21
 
0.0344 (0.86)
0.0366 (0.93)
0.0329 (0.84)
0.0285 (0.71)
20
 
0.0375 (0.95)
0.0396 (1.01)
0.0359 (0.91)
0.0320 (0.81)
19
 
0.0437 (1.1)
0.0456 (1.16)
0.0418 (1.06)
0.0359 (0.91)
18
 
0.0500 (1.27)
0.0516 (1.31)
0.0478 (1.21)
0.0403 (1.02)
17
 
0.0562 (1.4)
0.0575 (1.46)
0.0538 (1.37)
0.0453 (1.1)
16
1/16
0.0625 (1.59)
0.0635 (1.61)
0.0598 (1.52)
0.0508 (1.29)
15
 
0.0703 (1.8)
0.0710 (1.80)
0.0673 (1.71)
0.0571 (1.4)
14
5/64
0.0781 (1.98)
0.0785 (1.99)
0.0747 (1.90)
0.0641 (1.63)
13
3/32
0.094 (2.4)
0.0934 (2.37)
0.0897 (2.28)
0.072 (1.8)
12
7/64
0.1094 (2.78)
0.1084 (2.75)
0.1046 (2.66)
0.0808 (2.05)
11
1/8
0.1250 (3.18)
0.1233 (3.13)
0.1196 (3.04)
0.0907 (2.30)
10
9/64
0.1406 (3.57)
0.1382 (3.51)
0.1345 (3.42)
0.1019 (2.59)
9
5/32
0.1563 (3.97)
0.1532 (3.89)
0.1495 (3.80)
0.1144 (2.91)
8
11/64
0.1719 (4.37)
0.1681 (4.27)
0.1644 (4.18)
0.1285 (3.26)
7
3/16
0.1875 (4.76)
 
0.1793 (4.55)
0.1443 (3.67)
6
13/64
0.2031
 
0.1943 (4.94)
0.162 (4.1)
5
7/32
0.2187
 
0.2092 (5.31)
0.1819
4
15/64
0.2344
 
0.2242 (5.69)
0.2043
3
1/4
0.25
 
0.2391 (6.07)
0.2294