Shop & Power
Shop math and references
The quick-reference stuff I actually use before cutting, quoting, or ordering material.
Sheet Metal Gauge ReferenceSteel, stainless, and aluminum thickness lookup.
Pipe Schedule TableNPS sizes with OD, wall, ID, and weight.
Sheet Metal Weight CalculatorEstimate material weight before it becomes a handling problem.
Cut List CalculatorPlan cuts, kerf, and scrap before you start.
Panel Layout CalculatorLay parts onto sheet stock and see material use.