Steel Gauge Thickness Chart

See cold rolled steel (CRS) gauge thickness and tolerance, in inches and millimeters.

Caution
  • Gauge thickness varies by material type
  • Odd number gauges (e.g. 3, 15, 27) are often only available through large mill runs
GaugeImperial (inches)Metric (mm)
ThicknessToleranceThicknessTolerance
30.23916.073
40.22425.695
50.20925.314
60.19434.935
70.1793±0.0084.554±0.203
80.1644±0.0084.176±0.203
90.1495±0.0083.797±0.203
100.1345±0.0063.416±0.152
110.1196±0.0063.038±0.152
120.1046±0.0062.657±0.152
130.0897±0.0052.278±0.127
140.0747±0.0051.897±0.127
150.0673±0.0051.709±0.127
160.0598±0.0051.519±0.127
170.0538±0.0041.367±0.102
180.0478±0.0041.214±0.102
190.0418±0.0041.062±0.102
200.0359±0.0030.912±0.076
210.0329±0.0030.836±0.076
220.0299±0.0030.759±0.076
230.0269±0.0030.683±0.076
240.0239±0.0030.607±0.076
250.0209±0.0030.531±0.076
260.0179±0.0020.455±0.051
270.0164±0.0020.417±0.051
280.0149±0.0020.378±0.051
290.01350.343
300.01200.305
310.01050.267
320.00970.246
330.00900.229
340.00820.208
350.00750.191
360.00670.170

Steel Gauge Thickness Chart PDF preview

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