Wire and Sheet Metal Size Identifiers
Read gauge numbers on one side of these identifiers and their decimal equivalents on the other.
American wire gauge identifier shows the same markings as Brown & Sharpe gauges.
U.S. steel wire gauge identifier shows the same markings as Washburn & Moen and American Steel and Wire Co. gauges.
| For Gauge Type | For Use On | For Sheet Metal Gauge | For Electrical Wire Gauge | For Steel Wire Gauge | For Wire Dia./Sheet Thick. | Dia. | Each | |
Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
| U.S. Standard Iron and Steel Gauge | Iron, Steel | 36 ga., 35 ga., 34 ga., 33 ga., 32 ga., 31 ga., 30 ga., 29 ga., 28 ga., 27 ga., 26 ga., 25 ga., 24 ga., 23 ga., 22 ga., 21 ga., 20 ga., 19 ga., 18 ga., 17 ga., 16 ga., 15 ga., 14 ga., 13 ga., 12 ga., 11 ga., 10 ga., 9 ga., 8 ga., 7 ga., 6 ga., 5 ga., 4 ga., 3 ga., 2 ga., 1 ga., 0 ga. | __ | __ | 0.007", 0.0078", 0.0085", 0.0093", 0.01", 0.0109", 0.0125", 0.014", 0.0156", 0.017", 0.0187", 0.0218", 0.025", 0.028", 0.0312", 0.0343", 0.0375", 0.0437", 0.05", 0.056", 0.0625", 0.07", 0.078", 0.0937", 0.109", 0.125", 0.14", 0.156", 0.172", 0.1875", 0.203", 0.2187", 0.234", 0.25", 0.263", 0.281", 0.3125" | 3 1/4" | 0000000 | 000000 |
| American Wire Gauge | Aluminum, Brass, Copper | __ | 36 ga., 35 ga., 34 ga., 33 ga., 32 ga., 31 ga., 30 ga., 29 ga., 28 ga., 27 ga., 26 ga., 25 ga., 24 ga., 23 ga., 22 ga., 21 ga., 20 ga., 19 ga., 18 ga., 17 ga., 16 ga., 15 ga., 14 ga., 13 ga., 12 ga., 11 ga., 10 ga., 9 ga., 8 ga., 7 ga., 6 ga., 5 ga., 4 ga., 3 ga., 2 ga., 1 ga., 0 ga. | __ | 0.005", 0.0056", 0.0063", 0.007", 0.008", 0.009", 0.01", 0.011", 0.012", 0.014", 0.016", 0.018", 0.02", 0.022", 0.025", 0.028", 0.032", 0.036", 0.04", 0.045", 0.051", 0.057", 0.064", 0.072", 0.081", 0.091", 0.102", 0.114", 0.128", 0.144", 0.162", 0.182", 0.204", 0.229", 0.257", 0.289", 0.325" | 3 1/4" | 00000000 | 00000 |
| U.S. Steel Wire Gauge | Steel | __ | __ | 36 ga., 35 ga., 34 ga., 33 ga., 32 ga., 31 ga., 30 ga., 29 ga., 28 ga., 27 ga., 26 ga., 25 ga., 24 ga., 23 ga., 22 ga., 21 ga., 20 ga., 19 ga., 18 ga., 17 ga., 16 ga., 15 ga., 14 ga., 13 ga., 12 ga., 11 ga., 10 ga., 9 ga., 8 ga., 7 ga., 6 ga., 5 ga., 4 ga., 3 ga., 2 ga., 1 ga., 0 ga. | 0.007", 0.0076", 0.0086", 0.0093", 0.0101", 0.0109", 0.0125", 0.014", 0.0156", 0.0172", 0.0187", 0.0218", 0.025", 0.0281", 0.0312", 0.0348", 0.0375", 0.0437", 0.05", 0.0562", 0.0625", 0.0703", 0.0781", 0.0937", 0.1093", 0.126", 0.1406", 0.1562", 0.1718", 0.1875", 0.2031", 0.2187", 0.2343", 0.25", 0.2656", 0.2812", 0.3125" | 3 1/4" | 00000000 | 000000 |