Gauge to millimeters
Type a value in ga to get it in mm instantly.
That's 1.01× as thick as a steel cabinet, while structural plate is 3.3× thicker. A square meter of steel that thick weighs about 11.92 kg.
Convert the other way: mm to ga
What it means
How thick is that?
Gauge tables are nominal. Real sheet is supplied to a tolerance, and mill certificates quote the measured thickness rather than the gauge.
The math
How to convert ga to mm
There is no formula: gauge is a position in a table, and each metal has its own. The figures below come from the table for the metal selected above.
Example: 16 ga = 1.519 mm.
The table below is for Steel, manufacturers’ standard gauge.
Every unit
Your thickness in every unit
Tables
ga to mm conversion table
| ga | mm |
|---|---|
| 8 ga | 4.176 mm |
| 10 ga | 3.416 mm |
| 11 ga | 3.038 mm |
| 12 ga | 2.657 mm |
| 14 ga | 1.897 mm |
| 16 ga | 1.519 mm |
| 18 ga | 1.214 mm |
| 20 ga | 0.912 mm |
| 22 ga | 0.759 mm |
| 24 ga | 0.607 mm |
| 26 ga | 0.455 mm |
| 28 ga | 0.378 mm |
mm to ga conversion table
| mm | ga |
|---|---|
| 0.378 mm | 28 ga |
| 0.455 mm | 26 ga |
| 0.607 mm | 24 ga |
| 0.759 mm | 22 ga |
| 0.912 mm | 20 ga |
| 1.21 mm | 18.0263 ga |
| 1.52 mm | 15.9947 ga |
| 1.9 mm | 13.9921 ga |
| 2.66 mm | 11.9921 ga |
| 3.04 mm | 10.9947 ga |
| 3.42 mm | 9.9895 ga |
| 4.18 mm | 7.98942 ga |
Quick answers
Quick answers
- How many mm is 10 ga?
- 10 ga is 3.416 mm.
- How many mm is 16 ga?
- 16 ga is 1.519 mm.
The units
About these units
Gauge (ga)
The table position. Its meaning depends entirely on the metal.
Millimeters (mm)
The real thickness, as a micrometer measures it.
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