What is CLR in tube bending?

CLR stands for Centerline Radius. It's the radius of a tube bend measured from the center of the tube. CLR is a critical specification used to identify and select the correct tube bend or elbow for your application.

How do I measure end-to-end (E2E) on a tube bend?

To measure end-to-end (E2E) on a tube bend, measure from the outside edge of one end to the outside edge of the other end of the bend. Use a tape measure or caliper and measure along the path the tube would take if straightened.

Does this calculator work for short radius bends?

Yes, the tube bend calculator works for both standard radius and short radius bends. The calculator uses the actual end-to-end measurement to determine the CLR regardless of the radius type.

What tube diameters does this calculator support?

The calculator supports any tube outside diameter (OD). Simply enter your tube's OD measurement in inches along with the end-to-end measurement to calculate the CLR.

Tube Bend CLR Calculator

Calculate Centerline Radius Instantly

Calculate centerline radius (CLR) for 45° and 90° tube bends

Bend Angle

degrees

Outside Diameter (OD)

inches

End-to-End Measurement (E2E)

inches

How to measure: Measure the straight-line distance from the outside edge of one tangent end to the outside edge of the other.

Result

Centerline Radius (CLR)

Bend Diagram

Bend Angle

degrees

Outside Diameter (OD)

inches

End-to-End Measurement (E2E)

inches

How to measure: Measure the straight-line distance from the outside edge of one tangent end to the outside edge of the other.

Result

Centerline Radius (CLR)

Bend Diagram

📏 Note: Measurement accuracy is important! If your end-to-end measurement is slightly off or rounded, it will affect the calculated CLR. The result should be close enough to help you identify the part you need. However, if you're unsure or want confirmation before ordering, please don't hesitate to contact us—we're here to help!

Tube Bend CLR Calculator

Calculate Centerline Radius Instantly

Result

Result

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