Calculator

Steel Gauge Chart

Gauge
No.
THICKNESS IN INCHES
Lbs. Per
Square Ft.
Decimal Equivalent
Tolerance Range
Min.
Max.
10
0.1382
0.1292
0.1472
5.78125
11
0.1233
0.1143
0.1323
5.15625
12
0.1084
0.0994
0.1174
4.53125
13
0.0934
0.0854
0.1014
3.90625
14
0.0785
0.0705
0.0865
3.28125
15
0.0710
0.0650
0.0770
2.96875
16
0.0635
0.0575
0.0695
2.65625
17
0.0575
0.0525
0.0625
2.40625
18
0.0516
0.0466
0.0566
2.15625
19
0.0456
0.0406
0.0506
1.90625
20
0.0396
0.0356
0.0436
1.65625
21
0.0366
0.0326
0.0406
1.53125
22
0.0336
0.0296
0.0376
1.40625
23
0.0306
0.0266
0.0346
1.28125
24
0.0276
0.0236
0.0316
1.15625
25
0.0247
0.0207
0.0287
1.03125
26
0.0217
0.0187
0.0247
0.90625
27
0.0202
0.0172
0.0232
0.84375
28
0.0187
0.0157
0.0217
0.78125
29
0.0172
0.0142
0.0202
0.71875
30
0.0157
0.0127
0.0187
0.65625

NOTES:

- Tolerance ranges for gauges 10, 11 and 12 are for widths between 40" and 60".

- Tolerance ranges for all other gauges are for widths between 32" and 60".

- Weight per square foot calculations are based on a density of .2904 lbs. per cubic inch.