Skip to content
CM into Inches
Metal & Fabrication · Calculator

Pipe Schedule Converter

Look up pipe wall thickness from nominal pipe size and schedule (Sch 40, 80, etc.).

Pipe Schedule Converter

Convert a nominal pipe size (NPS) and schedule number to wall thickness in inches and millimeters using the ASME B36.10M standard pipe schedule tables.

Formula

Lookup from ASME B36.10M pipe schedule tables

Step-by-step

  1. Select nominal pipe size (NPS)
  2. Select schedule number
  3. Read wall thickness in inches and millimeters

Example

2-inch Sch 40 pipe has a wall thickness of 0.154 in (3.91 mm).

FAQ

What does Sch 40 and Sch 80 mean?+

Schedule numbers indicate wall thickness. Sch 80 is thicker and rated for higher pressure than Sch 40.

Related Tools

Steel Weight Calculator

Metal & Fabrication

Calculate the weight of steel from dimensions and shape.

Aluminum Weight Calculator

Metal & Fabrication

Calculate the weight of aluminum from dimensions and shape.

Copper Weight Calculator

Metal & Fabrication

Calculate the weight of copper from dimensions and shape.

Pipe Weight Calculator

Metal & Fabrication

Calculate the weight of a steel pipe from outer diameter and wall thickness.

Beam Weight Calculator

Metal & Fabrication

Calculate the weight of a steel I-beam from profile dimensions.

Plate Weight Calculator

Metal & Fabrication

Calculate the weight of a steel plate from width, length, and thickness.