15 Reardon Road - Medford, MA - 02155
Tel.: (781) 396-0070 - Fax: (781) 396-8890

 
 
 
 

Gauge & Weight Chart (approximate values)

For sheet metal products

Below you will find a chart for metal thicknesses and weights. Commonly used metals are:

Aluminum: 0.025", 0.032", 0.040", 0.050", 0.063", 1/8" (0.0125") and 1/4" (0.25").
Cold and hot rolled steel: 16 ga and 14 ga.
Copper: 48 oz, 32 oz, 24 oz, 20 oz and 16 oz.
Galvanized steel: 24 ga, 20 ga and 18 ga.
Stainless steel: 26 ga, 24 ga, 20 ga, 18 ga, 16 ga.
Steel for metal roofing and gutters: 24 ga.
Aluminum for metal roofing: 0.032" or 0.040".
Aluminum for gutters: 0.027" or 0.032" for seamless gutters and any other thickness for custom gutters.
Zinc: 0.7 mm and 1.5 mm.

Click here to download a pdf version of the gauge and weight chart for sheet metal.

Gauge US Standard Gauge Steel Galvanized Steel Stainless Steel Aluminum Copper Zinc
(inches) Gauge Decimal
(inches)
Weight
(lb/ft2)
Gauge Decimal
(inches)
Weight
(lb/ft2)
Gauge Decimal
(inches)
Weight
(lb/ft2)
Gauge Decimal
(inches)
Weight
(lb/ft2)
Gauge Decimal
(inches)
Weight
(oz/ft2)
Gauge Decimal
(mm)
Weight
(lb/ft2)
44 0.0047
43 0.0049
42 0.0051
41 0.0053
40 0.0055
39 0.0059
38 0.0063 0.0060 0.0062 0.0040
37 0.0066 0.0064 0.0066 0.0045
36 0.0070 0.0067 0.0070 0.0050 0.0050 4
35 0.0078 0.0075 0.0078 0.0056
34 0.0086 0.0082 0.0086 0.0063
33 0.0094 0.0090 0.0094 0.0071
32 0.0102 0.0097 0.0102 0.0080
31 0.0109 0.0105 0.0109 0.0089 0.0108 8
30 0.0125 0.0120 0.500 0.016 0.656 0.0125 0.0100 0.141
29 0.0141 0.0135 0.563 0.017 0.719 0.0141 0.0113 0.160
28 0.0156 0.0149 0.625 0.019 0.781 0.0156 0.0126 0.178 0.0135 10
27 0.0172 0.0164 0.688 0.020 0.844 0.0172 0.0142 0.200 0.0160 12
26 0.0188 0.0179 0.750 0.022 0.906 0.0187 0.756 0.0159 0.224
25 0.0219 0.0209 0.875 0.025 1.031 0.0219 0.0179 0.253
24 0.0250 0.0239 1.000 0.028 1.156 0.0250 1.008 0.0201 0.284 0.0216 16 0.7 1.02
23 0.0281 0.0269 1.125 0.031 1.281 0.0281 0.0226 0.319
22 0.0313 0.0299 1.250 0.034 1.406 0.0312 1.26 0.0253 0.357 0.0270 20 0.8 1.18
21 0.0344 0.0329 1.375 0.037 1.531 0.0344 0.0285 0.402 0.0320 24
20 0.0375 0.0359 1.500 0.040 1.656 0.0375 1.512 0.0320 0.452 1 1.48
19 0.0438 0.0418 1.750 0.046 1.906 0.0437 0.0359 0.507 0.0430 32
18 0.0500 0.0478 2.000 0.052 2.156 0.0500 2.016 0.0403 0.569 0.0485 36
17 0.0563 0.0538 2.250 0.058 2.406 0.0562 0.0453 0.639
16 0.0625 0.0598 2.500 0.064 2.656 0.0625 2.52 0.0508 0.717 0.0647 48 1.5 2.21
15 0.0703 0.0673 2.813 0.071 2.969 0.0703 0.0571 0.806 0.0750 56
14 0.0781 0.0747 3.125 0.079 3.281 0.0781 3.15 0.0641 0.905 0.0863 64
13 0.0938 0.0897 3.750 0.093 3.906 0.0937 0.0720 1.016 0.0930 72
12 0.1094 0.1046 4.375 0.108 4.531 0.1094 4.41 0.0808 1.140 0.1080 80
11 0.1250 0.1196 5.000 0.123 5.156 0.1250 5.04 0.0907 1.280
10 0.1406 0.1345 5.625 0.138 5.781 0.1406 5.67 0.1019 1.438 0.1250 96
9 0.1563 0.1495 6.250 0.153 6.406 0.1562 0.1144 1.614
8 0.1719 0.1644 6.875 0.168 7.031 0.1719 6.93 0.1285 1.813
7 0.1875 0.1793 7.500 0.1875 7.871 0.1443 2.036
6 0.2031 0.1943 8.125 0.2031 0.1620 2.286
5 0.2188 0.2092 8.750 0.2187 0.1819
4 0.2344 0.2242 9.375 0.2344 0.2043
3 0.2500 0.2391 10.00 0.2500 0.2294
2 0.2656 0.2656 0.2576
1 0.2813 0.2812 0.2893
1/0
(0)
0.3125 0.3125 0.3249
2/0
(00)
0.3438 0.3437 0.3648
3/0
(000)
0.3750 0.3750 0.4096
4/0
(0000)
0.4063 0.4062 0.4600
5/0
(00000)
0.4375 0.4375 0.5165
6/0
(000000)
0.4688 0.4687 0.5800
7/0
(00000000)
0.5000
Special notes

  • Lighting and computer monitors may change the way custom colored metals look. You can always request a color chart to make sure you're getting the right color metal.

  • Different suppliers may call different colored metals by the same name. Please, let us know the correct color code when placing an order.

  • Not all metals may be available at all times, but we can most likely order what you need.

  • Different colors and gauges / thicknesses may also be available. Please take a look at the gauge and weight chart page or contact us for more information.

  • If the metal needed is not listed here, please contact us as we may be able to place an special order for you.

Riverside Sheet Metal is a member of the North East Roofing Contractors Association Riverside Sheet Metal is a member of National Roofing Contractors Association

Riverside Sheet Metal is a member of the North East Roofing Contractors Association & the National Roofing Contractors Association.

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