Tube Bend Calculator

Centre Line Radius  
Degree of Bend 


Bend allowance =

Useful Information

CLR = Centre Line Radius.
DOB = Degree Of Bend.

Length of tube in a bend = CLR X DOB X .01745
or, to put it another way:

L = (R X .01745) x Z,
L is the length,
R is radius of the pipe bend,
Z is the angle of the bend.

Setback = radius X tangent ½ angle of bend.

Circumference = 3.1416 X diameter.

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